Quick answer: PhoneBurner is a power dialler that its FAQ and power dialler page describe as one line per rep, at up to 80 contacts an hour, though its auto dialler page says each rep can “dial several lines simultaneously”. It dials US and Canadian numbers only, from US$140 per user per month (annual, as at 6 October 2026). Nooks offers power dialling, 2–5-line parallel dialling (about 80–120 dials an hour) and Adaptive and Turbo modes that vary the line count, plus AI and a virtual salesfloor, priced on request. Short cold calls on large lists are where Nooks’ extra lines can pay; long discovery calls narrow the gap.
Every vendor fact below comes from that vendor’s own pricing page, product page, help centre or terms, read on 6 October 2026. Where the two contradict each other, or where one vendor’s own pages disagree, both claims are shown and attributed. If you are asking “PhoneBurner vs Nooks for my SDRs”, the decision usually comes down to three things you already know: your connect rate, your average conversation length and the countries on your list.
Updated 20 October 2026: this page previously said PhoneBurner offers single-line power dialling only. PhoneBurner’s own pages disagree on that point. Its FAQ and its power dialler page describe one line per rep, and its QuickStart help article lists only “Power Dialing” and “Pause and Preview” modes, but its auto dialler page says “The platform allows each rep to dial several lines simultaneously”. We re-read all four on 20 October 2026 and now show both statements wherever the page describes PhoneBurner’s line count.
PhoneBurner vs Nooks for SDRs: the comparison table
Read the dialling-mode and geography rows first; for most teams they settle the question before price does.
| Criterion | PhoneBurner | Nooks |
|---|---|---|
| Dialling modes | Power dialling. The FAQ answers “Can I dial more than 1 person at a time?” with “No, and for good reason” and the power dialler page rates PhoneBurner “Single-line”, but the auto dialler page says “The platform allows each rep to dial several lines simultaneously” (all read 20 October 2026) | Power (1 line), Parallel (2–5 fixed lines), Adaptive (scales around a 2–5 base, can drop to 1) and Turbo (averages about 6 lines) |
| Stated volume | “Up to 80 contacts per hour”, depending on list, answer rate and conversation length | Power about 40–60 dials/hour; Parallel about 80–120 dials/hour; Turbo “highest of all four modes” (all labelled directional) |
| Connect handling | Rep is on the line from the first ring; “When someone answers, you hear ‘hello’ and respond instantly” | Human-detection AI connects the rep to the first live answer and hangs up the other lines; cancelled lines are not logged as dials |
| STIR/SHAKEN | Calls routed through carrier partners that sign calls; Business Profile used to acquire A-level attestation on purchased numbers | “STIR/SHAKEN carrier registration” listed under spam protection; business registered with First Orion, Hiya and Transaction Network Services |
| Local presence | Local Presence requires an application form and proof of business in each state used | Smart Presence picks an area code by predicted pickup and prospect location; US and Canadian numbers only |
| Do-not-call | Internal DNC list; DNC.com integration scrubs against the national registry and known litigators before dial sessions; default calling window of 8:00am–9:00pm in the prospect’s time zone by area code, which admins can set per day | Snooze/DNC per number or prospect, including “Forever”; help centre advises using data providers that remove National DNC Registry numbers; calling-hour restriction tools |
| Call-recording consent | Recording on all plans (30, 90 or unlimited days’ storage by plan); terms make you “solely responsible” for two-party consent laws | Admin settings to skip recording, or record the rep only, for area codes in a preconfigured US two-party consent list; per-country “never record” list |
| CRM | Built-in CRM; native integrations with Salesforce, HubSpot, Zoho CRM, Close, monday.com, SugarCRM and GoHighLevel; Zapier, webhooks and an open API (API on Professional and Premium) | Native bi-directional Salesforce and HubSpot sync; Outreach, Salesloft, Gong, Groove and Apollo; webhooks |
| AI features | Call transcription and AI Note Taker (Premium); Krisp AI noise cancellation (Professional and up); terms also describe an optional “Coach-Specific AI” coaching experience configured by third-party sales coaches | Pickup-likelihood scoring, live battlecards, AI account research, AI coaching and roleplay bots, AI Sequencing, AI Assistant |
| Team floor | Live call monitoring with listen-in, whisper and barge; real-time leaderboards | Virtual Salesfloor: shadow live calls, whisper coaching, leaderboards |
| Countries you can dial | United States and Canada only | International calling on International seats; Australian mobile numbers can be provisioned after a Regulatory Bundle with an in-country business address |
| Pricing model (as at 6 October 2026) | Published per-user plans: US$140, US$165, US$183 per month billed annually | No list price; custom quote |
Sources for each row: PhoneBurner’s pricing page, FAQ, power dialer page, auto dialler page and QuickStart help article; Nooks’ Adaptive and Turbo Dialing article, AI Dialer page and pricing page.
Power dialling vs parallel dialling: what each vendor actually ships
Most of PhoneBurner’s pages describe one deliberate constraint: one rep, one line, one call. Its FAQ answers “Can I dial more than 1 person at a time?” with “No, and for good reason”, saying multi-line diallers “result in dropped calls that put companies at risk of costly TCPA and TSR violations” and cause “an awkward pause at the start of each call”. Its own comparison table lists PhoneBurner as “Single-line” and rates parallel diallers “Very fast” with an “Audible delay” and a “Medium” risk of abandoned calls, against its own “None”. That is PhoneBurner’s view of a competing category, not an independent test. Its QuickStart help article, updated in August 2026, offers two dialler modes, “Power Dialing” and “Pause and Preview”, and neither is described as multi-line.
One PhoneBurner page differs. Its auto dialler page, read on 20 October 2026, says “The platform allows each rep to dial several lines simultaneously, and quickly connects them to contacts who answer”. The table on the same page still describes PhoneBurner as “Up to 60–80 contacts per hour, per rep on a single line”, and its FAQ section says PhoneBurner avoids the telemarketer delay through “its power dialer mode, which connects reps one-to-one with contacts the moment a call is answered”. If you need more than one line per rep, ask PhoneBurner in writing which plan has it and what happens to an answered call when no rep is free.
Nooks is not parallel-only. Its help centre lists four modes on one spectrum: Power at one fixed line, Parallel at a fixed two to five lines, Adaptive, which starts from your chosen base and adds or removes lines “second by second” from a pickup prediction, and Turbo, which “averages approximately 6 lines at a time”. Adaptive and Turbo need a Parallel Dialing seat, a standard (not Branded) Nooks number and a workspace opted into data sharing. Nooks recommends new users start with “2-line Adaptive” and says of its own figures that “Typical volume rates are directional.”
Nooks also states the trade-off plainly: “using more than one line also increases the chance that Nooks has to cancel calls when a prospect answers.” And in a blog post arguing for parallel dialling, it concedes that “Power dialers still have their place for focused follow-up, strategic outreach, or smaller teams with lower volume.” For the wider family of pacing, progressive and predictive diallers, see our explainer on how AI phone agents differ from predictive diallers.
Dials to conversations per hour: the worked calculation
Vendors quote dials per hour; you manage conversations per hour. Convert one to the other with each vendor’s stated volume and your connect rate (live answers divided by dials, the definition Nooks uses in its parallel dialer guide). The three connect rates below are illustrative inputs, not benchmarks; substitute your own from the last 30 days.
| Dialling setup (vendor’s own figure) | Dials/hour | At 3% connect | At 6% connect | At 10% connect |
|---|---|---|---|---|
| PhoneBurner power dialler (stated ceiling) | up to 80 | up to 2.4 | up to 4.8 | up to 8.0 |
| Nooks Power mode, 1 line (directional) | 40–60 | 1.2–1.8 | 2.4–3.6 | 4.0–6.0 |
| Nooks Parallel, 2–5 fixed lines (directional) | 80–120 | 2.4–3.6 | 4.8–7.2 | 8.0–12.0 |
The arithmetic is dials multiplied by connect rate: 80 × 0.06 = 4.8; 120 × 0.06 = 7.2; 40 × 0.03 = 1.2. Two things fall out of it. First, PhoneBurner’s stated ceiling of 80 equals the bottom of Nooks’ typical parallel range, so on the vendors’ own numbers Nooks’ fixed Parallel mode offers between nothing and 50% more dials than PhoneBurner’s ceiling, not a multiple (Turbo is unquantified, and PhoneBurner’s 80 is a maximum, not a typical figure). Second, the comparison is lopsided by construction: PhoneBurner gives an “up to” ceiling, while Nooks gives a typical range and says its cancelled lines “don’t count as dials”. Neither page we read defines whether its hour includes talk time. Treat both as claims to test in a trial.
Nooks’ AI Dialer page also says teams using it generate 5x more dials, 4x more conversations and 3x more meetings. With no stated baseline, those multiples cannot go into this calculation.
The Talk-Time Ceiling test: when extra lines stop paying
The first table assumes the dialler never stops for a conversation. It does: every connect takes the rep off the dialler for the call plus wrap-up. If D is dials per dialling hour, c is your connect rate and T is minutes per conversation including wrap-up, conversations per hour are D × c ÷ (1 + D × c × T ÷ 60). This assumes the vendor figures measure time spent dialling, which neither vendor confirms.
| Minutes per conversation incl. wrap (T) | PhoneBurner at 80 dials, 6% connect | Nooks Parallel at 120 dials, 6% connect | Nooks’ advantage |
|---|---|---|---|
| 3 minutes (short qualifying call) | 3.87 per hour | 5.29 per hour | 1.37× |
| 6 minutes | 3.24 per hour | 4.19 per hour | 1.29× |
| 10 minutes (discovery-style call) | 2.67 per hour | 3.27 per hour | 1.23× |
Worked through for the 6-minute row: PhoneBurner gives 80 × 0.06 = 4.8 connects per dialling hour, and 4.8 × 6 ÷ 60 = 0.48, so 4.8 ÷ 1.48 = 3.24 conversations per real hour. Nooks at 120 gives 7.2 and 7.2 × 6 ÷ 60 = 0.72, so 7.2 ÷ 1.72 = 4.19. The 1.5× dial advantage shrinks to 1.29× once the rep has to talk.
That gives the decision rule we call the Talk-Time Ceiling test. Take your current dialler’s numbers and compute the talk load: D × c × T ÷ 60. It is minutes spent talking per minute spent waiting on rings. The table shows the most a 1.5× increase in dials can add at each load.
| Talk load on your current setup (D × c × T ÷ 60) | Most a 1.5× dial increase can add | What it means |
|---|---|---|
| 0.25 or below | about 1.36× at 0.25, rising towards 1.5× as the load falls | Reps mostly wait on rings; more lines pay well |
| 0.5 | about 1.29× | Parallel still helps; check list size can feed it |
| 1.0 | about 1.20× | Half the hour is already talk; extra lines buy little |
| 2.0 or above | about 1.13× at 2.0, falling towards 1.0× as the load rises | Talk time is the ceiling; spend on list quality or more reps, not lines |
Each cell is 1.5 × (1 + load) ÷ (1 + 1.5 × load): at a load of 1.0 that is 1.5 × 2 ÷ 2.5 = 1.20. It tells you whether your bottleneck is ringing time, which more lines fix, or talking time, which no dialler fixes. One limit: it ignores list burn. A parallel dialler exhausts a small named-account list sooner.
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Connect handling: the ‘hello’ gap each vendor says it has solved
The first second of a cold call is where the two products argue hardest. PhoneBurner’s FAQ answers “Do contacts hear a pause before they are connected with an agent?” with “Never!”, because the rep is already on the line when the call is answered. Nooks says its dialler detects “pickups in milliseconds” with “instantaneous bridge times” so there is “no awkward ‘hello? hello?’”, and its help centre adds that a beep plays in the rep’s browser, not on the call, along with a short transcript of the prospect’s first words.
These are competing vendor claims about the same moment. The fair test is a blind one: have colleagues on mobile phones answer calls from each tool during the trial and note whether they heard a gap. On Nooks, also record how often a cancelled line had already been answered.
Compliance: STIR/SHAKEN, local presence, DNC and recording consent
STIR/SHAKEN. PhoneBurner’s STIR/SHAKEN guide says it “routes all calls through carrier partners who are full participants in the STIR/SHAKEN framework and who sign calls on your behalf”, and its FAQ says a Business Profile is used “to acquire A-level attestation on purchased numbers”. Nooks’ AI Dialer page includes “STIR/SHAKEN carrier registration” under spam protection in its structured-data feature list, and its help centre says it registers your business with First Orion, Hiya and Transaction Network Services.
Local presence. PhoneBurner treats local presence as a gated feature: you must apply and upload proof of business for each state where you want numbers matched, citing the Truth in Caller ID Act, and its Local Presence page says local numbers “may improve answer rates, results vary by audience.” Nooks’ Smart Presence chooses an area code from historical call data and the prospect’s location, reuses a number that has connected with that prospect before, and is “currently available for U.S. and Canadian phone numbers.” Whichever you choose, have counsel confirm how your local-presence numbers fit your actual business footprint.
Do-not-call. PhoneBurner keeps an internal DNC list and offers a DNC.com integration that scrubs lists against the national registry and known TCPA litigators in real time before dial sessions; it also blocks calls after 9:00pm local time by area code, though not to toll-free numbers, and its Summer 2026 product update describes an 8:00am–9:00pm default calling window that admins can set per day in 15-minute increments. Nooks offers a Snooze/Do-not-Call feature that can block a number or prospect “Forever”, and its US compliance guide recommends using data providers that remove National DNC Registry numbers before you dial. Neither tool replaces your own scrub procedure; our step-by-step guide to scrubbing a list against the National DNC Registry covers the 31-day rule and fees.
Abandoned calls. The FCC’s rule in 47 CFR 64.1200(a)(7) limits abandoned telemarketing calls to 3% of calls answered live by a person, measured per campaign over each 30-day period. A call is abandoned if it is not connected to a live sales representative within two seconds of the called person’s completed greeting. When no rep is available, the caller must play a prerecorded identification and opt-out message and provide an automated opt-out mechanism, and must keep records proving compliance. Calls by tax-exempt non-profits are excluded, and a call that delivers an artificial or prerecorded voice message with the called person’s prior express written consent is not counted as abandoned if the message begins within two seconds of the completed greeting. A parallel dialler’s cancelled lines are the question to put to counsel and to the vendor.
Call-recording consent. Nooks’ recording settings let an admin turn off recording, or record only the rep, for prospect area codes on a preconfigured list of US two-party consent states (16 entries, including Vermont, which Nooks groups in “due to a lack of legislature on recording consent”). For other countries there is a “NEVER record calls in these countries” list and “No preset configurations”. Nooks adds that it “does not guarantee accuracy or warrant compliance”. PhoneBurner’s recording guide says admins can turn recording on for inbound, outbound or both and that only calls marked as live answers are recorded; its terms say you are “solely responsible” for wiretapping, call-recording and two-party consent laws. Nooks gives you more switches; both leave the obligation with you.
CRM integrations and AI features
PhoneBurner ships its own CRM, with cadences, email tracking and a calendar, so a small team can run without Salesforce. Its integrations page lists native integrations with Salesforce, HubSpot, Zoho CRM, Close, monday.com, SugarCRM and GoHighLevel, with other CRMs connected through a Chrome extension, Zapier, webhooks or the API; the open API is on Professional and Premium. Its AI is focused on the call record: transcription and an AI Note Taker on Premium, and Krisp noise cancellation from Professional up. Its terms also describe an optional AI coaching experience configured to a third-party sales coach’s methodology (“Coach-Specific AI”), offered under separate agreements with those coaches. Its Connect Scores add-on skips disconnected and unlikely-to-connect numbers.
Nooks sits on top of an existing CRM and sales engagement platform. It offers native, bi-directional Salesforce and HubSpot sync and integrates with Outreach, Salesloft, Groove, Gong and Apollo. It positions its own AI Sequencing as a replacement for those sequencers. Its AI goes further than PhoneBurner’s: pickup-likelihood scoring, which drives Adaptive and Turbo, live battlecards triggered by competitor or objection mentions, AI account research, AI coaching with roleplay bots, and an AI Assistant. Its Virtual Salesfloor lets reps and managers shadow live calls and whisper-coach, and PhoneBurner covers the manager side with listen-in, whisper and barge.
PhoneBurner and Nooks pricing as at 6 October 2026
PhoneBurner publishes its prices. As at 6 October 2026 its pricing page lists Standard at US$140, Professional at US$165 and Premium at US$183 per user per month billed annually, or US$165, US$195 and US$215 billed monthly. Its FAQ says there are no per-minute charges, contracts or setup fees, and that a non-dialling admin account is free. Numbers, ARMOR spam protection and Connect Scores are add-ons, and outbound SMS above the monthly allowance costs US$15 per 1,000.
Nooks does not publish a price. Its pricing page asks you to “Get in touch with the team to get a custom quote”. Its help centre refers to Parallel Dialing seats and International seats, so ask for the quote by seat type. Compare both for the same headcount and add-ons over 12 months.
If my SDR team calls Australia or outside North America
PhoneBurner’s FAQ says that “currently PhoneBurner can only be used to dial numbers in the United States and Canada.” If your SDRs call Australian or New Zealand prospects, PhoneBurner is out until that changes.
Nooks supports international calling through International seats. Its Regulatory Bundle guide lists Australia as a supported country for mobile numbers, with a business address required “within the country”, and says bundles are needed for almost all numbers outside the US and Canada. Some Nooks features are narrower than the dialler itself. Smart Presence is US and Canada only, the daily spam testing covers “U.S. and Canadian numbers”, and there are no preset recording rules outside the US. An Australian team should also run its own Do Not Call Register wash, covered in our guide to Do Not Call Register washing for AI diallers, and keep to the Telemarketing Industry Standard’s calling hours; our summary of whether AI cold calling is legal in Australia covers the rules that apply to automated callers.
Who each tool is wrong for
PhoneBurner is the wrong choice if your list includes numbers outside the US and Canada, if your talk load is low and you have a large cold list (the case where parallel lines pay most), if you want AI account research, live battlecards and AI roleplay coaching inside the dialler, or if you need several lines per rep and cannot get a multi-line mode confirmed in writing. It fits a North American team that wants published prices, no contract, a built-in CRM and one-to-one calls.
Nooks is the wrong choice if you need a price before you speak to sales, if your calls are long discovery conversations to a small named-account list (the Talk-Time Ceiling test shows the gain shrinking, and Nooks itself points such motions to power dialling), or if you have no CRM or sequencer for it to sit on. It fits a 10-plus-rep SDR floor working large cold lists on Salesforce or HubSpot plus a sequencer, wanting dialler, coaching and team floor in one place.
Still undecided? Trial both on the same list slice for a week and compare conversations per rep-hour, not dials.
Where an AI voice agent changes the calculus
Both tools optimise the same thing: how much of a human rep’s hour is spent talking rather than waiting. The Talk-Time Ceiling test shows the limit of that approach. Once talk load passes 1.0, no number of lines adds much, because the rep can only hold one conversation at a time. An AI voice agent removes that limit by a different route: the software holds the conversation, and concurrency comes from compute rather than headcount. Three things change: the cost unit becomes cost per qualified conversation rather than per seat; the abandoned-call question changes shape, because the agent is on the line the moment someone answers; and compliance moves to consent and disclosure rules for automated or artificial voices, which vary by market and need their own legal review.
Zian publishes 28x more contact attempts and a 926% increase in follow-ups on its home page, which is the follow-up work a dialler leaves to the rep. The honest boundary: a dialler is the better tool when your bottleneck is ringing time and you want humans on every conversation. An agent is worth testing when talk time is the ceiling, or when leads go uncalled because there are not enough reps. Many teams end up with a hybrid of the two, and our dialler vs AI agent comparison lays out that split.
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PhoneBurner vs Nooks: frequently asked questions
Is Nooks better than PhoneBurner for SDRs?
It depends on the list and the talk time. Nooks offers 2–5-line parallel dialling that its own help centre puts at about 80–120 dials an hour, against PhoneBurner’s stated ceiling of up to 80 contacts an hour, which its FAQ describes on one line (its auto dialler page also says reps can “dial several lines simultaneously”). For short cold calls on large North American lists, that gap matters; for long discovery calls it narrows, and PhoneBurner publishes its prices while Nooks quotes on request.
How many dials per hour does PhoneBurner do compared with Nooks?
PhoneBurner says agents “can reach up to 80 contacts per hour”, depending on the list, answer rate and conversation length. Nooks’ Adaptive and Turbo Dialing article gives directional figures of about 40–60 dials an hour in its one-line Power mode and about 80–120 in fixed 2–5-line Parallel mode, and says Turbo averages about six lines.
Does parallel dialling cause abandoned calls?
Nooks connects the rep to the first live answer and hangs up the other lines, and its help centre says more lines increase “the chance that Nooks has to cancel calls when a prospect answers”. The FCC’s abandonment rule in 47 CFR 64.1200(a)(7) caps abandoned telemarketing calls at 3% of those answered live, per campaign over 30 days, and counts a call as abandoned if no live representative is connected within two seconds of the greeting. Whether a cancelled line meets that definition on your campaigns is a question for counsel.
Can PhoneBurner call Australian numbers?
No, not as at 6 October 2026. PhoneBurner’s FAQ says it “can only be used to dial numbers in the United States and Canada”. Nooks lists Australia among the countries where it can provision mobile numbers once a Regulatory Bundle is approved, with a business address required in the country.
Does Nooks or PhoneBurner handle call-recording consent for me?
Neither takes the obligation off you. Nooks gives admins a setting that skips recording for prospect area codes in a preconfigured list of US two-party consent states, plus a per-country “never record” list, and says it does not warrant compliance. PhoneBurner’s terms say you are “solely responsible” for meeting wiretapping, call-recording and two-party consent laws.
How much does PhoneBurner cost compared with Nooks?
As at 6 October 2026, PhoneBurner’s pricing page lists Standard at US$140, Professional at US$165 and Premium at US$183 per user per month billed annually (US$165, US$195 and US$215 billed monthly), with paid add-ons. Nooks’ pricing page publishes no list price and asks you to get in touch for a custom quote.
Where every figure on this page comes from
| Figure | Who published it | Link | Date read |
|---|---|---|---|
| Up to 80 contacts/dials per hour | PhoneBurner | www.phoneburner.com | 6 October 2026 |
| “Can I dial more than 1 person at a time?” “No, and for good reason” | PhoneBurner | www.phoneburner.com | 20 October 2026 |
| PhoneBurner rated “Single-line” in its own dialler comparison table | PhoneBurner | www.phoneburner.com | 20 October 2026 |
| “The platform allows each rep to dial several lines simultaneously”; “Up to 60–80 contacts per hour, per rep on a single line” | PhoneBurner | www.phoneburner.com | 20 October 2026 |
| Two dialler modes, “Power Dialing” and “Pause and Preview” (article updated August 2026) | PhoneBurner | support.phoneburner.com | 20 October 2026 |
| US$140 / US$165 / US$183 per user per month annual; US$165 / US$195 / US$215 monthly; US$15 per 1,000 extra SMS | PhoneBurner | www.phoneburner.com | 6 October 2026 |
| Recording storage 30 / 90 / unlimited days by plan | PhoneBurner | www.phoneburner.com | 6 October 2026 |
| No calls after 9:00pm local time by area code | PhoneBurner | www.phoneburner.com | 6 October 2026 |
| 8:00am–9:00pm default calling window, set per day in 15-minute increments | PhoneBurner | support.phoneburner.com | 6 October 2026 |
| Dials only US and Canadian numbers | PhoneBurner | www.phoneburner.com | 6 October 2026 |
| Parallel “Audible delay”, “Medium” abandoned-call risk (PhoneBurner’s rating) | PhoneBurner | www.phoneburner.com | 6 October 2026 |
| Power ~40–60, Parallel ~80–120 dials/hour; 2–5 lines; Turbo averages ~6 lines | Nooks | support.nooks.ai | 6 October 2026 |
| Cancelled lines not logged and not counted as dials | Nooks | support.nooks.ai | 6 October 2026 |
| 5x more dials, 4x more conversations, 3x more meetings (claim, no stated baseline) | Nooks | www.nooks.ai | 6 October 2026 |
| 16-entry US two-party consent recording list | Nooks | support.nooks.ai | 6 October 2026 |
| Australia: mobile numbers, in-country business address | Nooks | support.nooks.ai | 6 October 2026 |
| Abandoned calls ≤3% of live-answered telemarketing calls per campaign per 30 days; 2-second rule | US eCFR (FCC rule) | www.ecfr.gov | 6 October 2026 |
| Talk-Time Ceiling figures (3.87, 3.24, 2.67, 5.29, 4.19, 3.27; 1.36×, 1.29×, 1.20×, 1.13×) | Calculated on this page from the vendor figures above | This page (formula shown above) | 6 October 2026 |
| 28x more contact attempts; 926% increase in follow-ups | Zian AI | zian.ai home page counters | 6 October 2026 |