JustCall vs Quo (formerly OpenPhone)
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
The short answer
Both sides assessedJustCall compared with Quo (formerly OpenPhone)
Quo costs $15 to $35 a seat, has no seat minimum, and gives every user a number, but has no dialer at all. JustCall starts at $29 with a two-seat floor and only becomes interesting at $49 where the power dialer appears. If your team answers the phone more than it dials, Quo is both cheaper and nicer to use; if your team dials lists, Quo cannot do the job and JustCall can.
Quo (formerly OpenPhone) compared with JustCall
JustCall bundles a power dialer at $49, a predictive dialer on SalesPro, and AI coaching at $89, all with a two-seat minimum. Quo has none of that and costs a third as much. If phone is your outbound channel, JustCall is the right family of product; if phone is how customers reach you and you occasionally reach back, Quo does that job better and cheaper.
Choose JustCall if
Sales and support teams of roughly five to fifty people who want one vendor for numbers, texting, outbound dialing, and call coaching, with deep CRM logging, and who are willing to pay $49 to $89 a seat for a stack that would otherwise be three subscriptions.
Choose Quo (formerly OpenPhone) if
Small businesses, agencies, trades, and founder-led sales teams who need a shared work number with texting, light routing, and CRM logging, and who make dozens of calls a day rather than hundreds. Anyone who wants a business phone that costs less than a lunch per seat and can be live in an afternoon.
Side by side
13 attributes| Attribute | JustCall | Quo (formerly OpenPhone) |
|---|---|---|
| Category | Calling | Calling |
| Starting price | $29 per user per month billed annually, two-seat minimum (free trial) | $15 per user per month billed annually ($19 monthly) (7 days trial) |
| Pricing model | Per-user per-month subscription across five tiers with a two-seat minimum (ten on Business), regional calling allowances rather than global unlimited, and separate line items for number bundles, SMS bundles, and AI voice agent minutes. | Per-user per-month subscription with a number included in every seat, unlimited US and Canada calling and messaging on all tiers, and usage-based charges only for international calling, extra numbers, automated SMS, and AI credits. |
| Free plan | No | No |
| Free trial | Yes, self-serve free trial from the pricing page | 7 days |
| Best for | Sales and support teams of roughly five to fifty people who want one vendor for numbers, texting, outbound dialing, and call coaching, with deep CRM logging, and who are willing to pay $49 to $89 a seat for a stack that would otherwise be three subscriptions. | Small businesses, agencies, trades, and founder-led sales teams who need a shared work number with texting, light routing, and CRM logging, and who make dozens of calls a day rather than hundreds. Anyone who wants a business phone that costs less than a lunch per seat and can be live in an afternoon. |
| Setup time | One to three days for a small team. Numbers provision quickly, the CRM integration is an OAuth connection plus field mapping, and the browser extension deploys in minutes. Building campaigns, dispositions, and DNC rules properly is the part that takes real time. | Under an hour for a solo user and about half a day for a small team. Choose a number, install the apps, set business hours and a ring group, and you are live. Number porting takes longer, typically one to two weeks, and runs in parallel while you use a temporary number. |
| Learning curve | Moderate. Reps pick up click-to-call and the dialer in an afternoon. Administrators face a genuine learning curve on campaign pacing, throttling, number pools, and disposition taxonomies, and a predictive dialer configured carelessly is both ineffective and a compliance risk. | Near zero. The interface is a messaging app with a keypad, and staff who have never used a business phone system understand it without training. The only genuinely unfamiliar concept is A2P 10DLC registration, which the product walks you through. |
| Platforms | Web app, Chrome extension, Windows desktop, macOS desktop, iOS, Android | iOS, Android, macOS desktop app, Windows desktop app, Web app, Chrome extension |
| Compliance | GDPR, HIPAA on the Business tier, SOC 2, TCPA-oriented controls including automated DNC suppression and state-level pacing throttles, STIR/SHAKEN attestation on US outbound | SOC 2, GDPR, A2P 10DLC carrier registration handled in-product, STIR/SHAKEN attestation on outbound US calls |
| Founded | 2016 | 2018 |
| Headquarters | Palo Alto, California, United States, with major operations in India | San Francisco, California, United States (remote-first) |
| Ownership | Venture-backed (SaaS Labs) | Venture-backed |
Strengths and limitations
JustCall
Strengths
- Three genuine dialing modes covering paced personal outreach, speed-to-lead, and high-volume multi-line dialing, which few products in this price band offer at all.
- CRM logging is the deepest in the small-business tier: over 100 native integrations with bi-directional contact sync and automatic write-back of recordings, transcripts, and dispositions.
- Pro Plus bundles real conversation intelligence, including real-time agent assist and AI call scoring, inside the phone bill rather than as a second vendor.
- Numbers in more than 70 countries plus WhatsApp Business make it viable for teams selling outside North America, which rules out most of the cheaper competitors.
Limitations
- The predictive dialer, the single feature a high-volume outbound floor buys this for, sits on the quote-only SalesPro plan and cannot be purchased self-serve.
- Two-seat minimums everywhere and a ten-seat minimum on Business, so solo operators are excluded by design.
- The real cost of an equipped outbound seat is roughly three times the advertised entry price once the dialer tier, number bundles, and SMS bundles are added.
- SSO is gated behind the ten-seat Business tier, which is an awkward place to put a basic security control.
Quo (formerly OpenPhone)
Strengths
- The shared-number inbox with internal comments and assignment is the single best small-team phone experience on the market and is why the product spreads by word of mouth.
- A phone number is included in every seat, unlimited US and Canada calling is on the cheapest tier, and there is no seat minimum, so the entry cost is genuinely $15.
- API access on every plan including Starter, which most competitors reserve for their top tier or a custom contract.
- Setup is measured in minutes, not days: pick a number, install apps, invite the team. No PBX concepts, no dial plans, no reseller.
Limitations
- No dialer of any kind: no power dialing, no parallel lines, no answering machine detection, no local presence rotation. For a real outbound motion this is disqualifying.
- Unlimited calling stops at the US and Canadian border, and international is metered, which makes cost modelling awkward for anyone selling across regions.
- Call recording, CRM logging, and phone menus are all gated behind the Business tier, so the advertised $15 entry price is not the price most buyers actually pay.
- The Scale tier at $35 mostly buys support and call tags. The value curve flattens hard after Business.
Pricing compared
JustCall
Per-user per-month subscription across five tiers with a two-seat minimum (ten on Business), regional calling allowances rather than global unlimited, and separate line items for number bundles, SMS bundles, and AI voice agent minutes.
- Team$29
- Pro$49
- Pro Plus$89
- SalesProCustom
- BusinessCustom
Pro at $49 is fair for a power dialer plus a phone system plus deep CRM logging, and it undercuts buying Aircall Professional and bolting a dialer onto it. Pro Plus at $89 is the interesting call: it is roughly double the seat cost, but it replaces a separate conversation intelligence subscription that typically starts higher than $40 a seat on its own, so for a team that would otherwise buy coaching software it is arguably the cheapest tier in the lineup. The value erodes on the edges, where number bundles, SMS segments, and AI agent minutes are all separately metered, and the effective cost of a fully equipped outbound seat lands closer to $110 than to the $29 on the pricing page.
Quo (formerly OpenPhone)
Per-user per-month subscription with a number included in every seat, unlimited US and Canada calling and messaging on all tiers, and usage-based charges only for international calling, extra numbers, automated SMS, and AI credits.
- Starter$15
- Business$23
- Scale$35
At $23 a seat for recording, transcripts, AI summaries, and CRM write-back, Business is the best price-to-capability ratio in small-business phone, and the fact that a number is included rather than billed separately quietly saves another few dollars a seat against Aircall or CloudTalk. The value case collapses only in two places: heavy international traffic, which is metered, and outbound dialing, which does not exist here at all. Judged as a phone system for a company under 30 people, it is underpriced. Judged as a sales dialer, it is not competing.
Editorial verdict on each
JustCall
JustCall is the most complete small-business calling stack that you can mostly buy with a credit card. Pro at $49 gets you a phone system, a power dialer, local presence with number rotation, SMS, and the deepest CRM logging in this price band, and Pro Plus at $89 folds in conversation intelligence that would otherwise be a separate subscription costing more on its own. The catches are consistent: two-seat minimums, regional rather than global unlimited calling, number and SMS bundles priced outside the seat, and the predictive dialer stranded on a quote-only plan. Buy it if you are a five-to-fifty-person team that needs numbers in several countries, texting, dialing, and coaching from one vendor and would rather pay $90 a seat than manage four contracts. Do not buy it as a cheap work number, and do not assume the $29 on the pricing page has anything to do with what an outbound rep will actually cost you.
Read the full JustCall profileQuo (formerly OpenPhone)
Quo is the best small-business phone system you can buy for the money, and it is not an outbound sales tool. The shared-number inbox, the included number in every seat, the absence of a seat minimum, and API access on the cheapest plan add up to a product that a two-person company can adopt in an afternoon and never think about again. Business at $23 with recording, transcripts, AI summaries, and HubSpot or Salesforce write-back is the tier to buy. What you do not get is any dialer, any local presence rotation, any spam remediation, or unlimited calling beyond North America, and those absences are the whole difference between this category's phone systems and its dialers. If your reps work lists, buy Kixie or PhoneBurner. If customers call you and you call them back, buy Quo and stop shopping.
Read the full Quo (formerly OpenPhone) profileJustCall profile last reviewed 2026-08-22; Quo (formerly OpenPhone) last reviewed 2026-08-22. Pricing is compiled from public sources and can change without notice. See our methodology.