Greatvine vs Quo (OpenPhone) with Sona: an honest comparison
Quo (OpenPhone) with Sona is a business phone system (formerly OpenPhone) with an optional AI agent, Sona. Greatvine is an AI receptionist that answers your calls, texts, WhatsApp messages and website chat, books appointments into your calendar and screens out spam calls, priced per account with unlimited users. Here is how they compare, with Quo (OpenPhone) with Sona's facts taken from its own pricing page on .
| Greatvine | Quo (OpenPhone) with Sona | |
|---|---|---|
| Starting price | Starter is $49 a month for 150 AI-answered minutes (about 100 calls), 300 AI text replies and 1,000 calling minutes for your team; Team $149, Enterprise $399. | Phone plans from $19 per user a month ($15 billed annually); the Sona AI agent includes 10 calls free, then from $25 for 40 calls. |
| How the bill scales | Per account with unlimited users; extra AI-answered minutes are $0.25 each | Per user for the phone system, plus Sona call bundles |
| Channels | Phone calls, SMS, WhatsApp and website chat, all answered by the same assistant | Phone calls and SMS |
| Appointment booking | Books straight into your Google or Outlook calendar on every plan | Sends scheduling links by text |
Where Quo (OpenPhone) with Sona is strong
- A polished shared phone system for teams
- Automatic replies to missed calls on all plans
Best for: Teams that mainly want a modern shared phone system, with light AI answering on top.
Where Greatvine is different
- Greatvine is priced per account with unlimited users; Quo charges per user before the AI agent.
- Greatvine’s assistant books straight into your calendar rather than sending a link, and answers WhatsApp and website chat too.
- Greatvine works with the phone system you already have: forward your main line, or move your number to us. Quo’s AI agent works on Quo numbers.
How much does Quo (OpenPhone) with Sona cost?
Phone plans from $19 per user a month ($15 billed annually); the Sona AI agent includes 10 calls free, then from $25 for 40 calls. Billing: per user for the phone system, plus sona call bundles. (Read on Quo (OpenPhone) with Sona's pricing page on October 8, 2026; check it for current prices.)
How much does Greatvine cost?
Starter is $49 a month for 150 AI-answered minutes (about 100 calls), 300 AI text replies and 1,000 calling minutes for your team; Team $149, Enterprise $399. Per account with unlimited users; extra AI-answered minutes are $0.25 each.
Who is Quo (OpenPhone) with Sona best for?
Teams that mainly want a modern shared phone system, with light AI answering on top.
What is the main difference between Greatvine and Quo (OpenPhone) with Sona?
Greatvine is priced per account with unlimited users; Quo charges per user before the AI agent.
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