A shared business phone number for small teams, with an AI agent named Sona that answers calls around the clock on every plan.
Communication comparison
Pricing, pros, cons, and ideal use cases — side by side.
A shared business phone number for small teams, with an AI agent named Sona that answers calls around the clock on every plan.
The cloud business phone incumbent, now with an agentic AI Receptionist sold standalone or as a $39 add-on to RingEX — the cheapest entry point to voice AI for teams already on RingCentral.
| Quo (formerly OpenPhone) | RingCentral | |
|---|---|---|
| Pricing | PaidStarter $19/user/month monthly, $15 annual. Business $33/month, $23 annual. Scale $47/month, $35 annual. The Sona AI agent is included on all plans with 1,000 automation credits per month (roughly 10 calls); AI call summaries and transcripts cover Sona-handled calls on Starter and all calls on Business and Scale. AI call tagging is Scale-only. | PaidAI Receptionist (AIR) standalone starting at $49/month including 100 minutes; as a RingEX add-on starting at $39/month with 100 minutes; overage $0.50 per minute, rounded up and billed in 30-second increments; 14-day free trial — as read on the vendor's AI receptionist pricing page in early October 2026. RingEX seats (1–5 users, as rendered on the vendor's plans page, which renders prices client-side): Core $20/user/month paid annually ($30 month-to-month); Advanced $25/user/month paid annually ($35 month-to-month); the two AI Customer Engagement Bundles that include AIR are contact-sales. Budget the seat plus the add-on. |
| Category | Communication | Communication |
| Ideal for | Solo operators and teams under about 20 peopleBusinesses that run on texting as much as callingAgencies and consultancies needing a shared client-facing numberAnyone who wants published pricing instead of a demo call | Businesses already on RingEX that want after-hours answering from the same vendorSmall offices with modest call volume testing AI answering for the first timeMid-market teams consolidating phone, video, and messaging on one platformRegulated practices that need a phone vendor designed to support HIPAA compliance |
Quo (formerly OpenPhone) is built around solo operators and teams under about 20 people; RingCentral leans more toward businesses already on ringex that want after-hours answering from the same vendor. Shortlist the one whose strengths line up with your biggest constraint.
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