Quick answer: The strongest OpenPhone (Quo) alternatives are Grasshopper, Google Voice and Phone.com. Grasshopper is the closest match for most users; the others trade off on price, features or focus. All 6 are compared below on pricing, strengths and best use case.
OpenPhone (Quo) is a solid virtual phone tool — Lightweight business phone and virtual number app (rebranded Quo) with shared numbers, team inboxes and AI call notes, popular with startups and SMBs. But whether it's cost, a missing capability, or just due diligence. Here are the strongest alternatives worth a look, with what sets each apart.
Each option below works in the same broad space as OpenPhone (Quo); the right swap depends on which trade-off matters most to you.
| Alternative | Pricing | Best for |
|---|---|---|
| Grasshopper | Flat account pricing ~$14-55/mo depending on numbers/extensions (no per-user fee) | solopreneurs |
| Google Voice | ~$10/user/mo Starter (max 10 users), ~$20/user/mo Standard, ~$30/user/mo Premier (Workspace add-on) | google-workspace |
| Phone.com | ~$22.50/user/mo Basic, ~$33.33/user/mo Plus (annual); Pro tier higher | small-business |
| MightyCall | ~$15/user/mo Core, ~$23/user/mo Pro, ~$30/user/mo Power (3-user minimum); Enterprise custom | small-business |
| Line2 | ~$9.99/user/mo monthly (~$7.99/user/mo annual) | solopreneurs |
| KrispCall | Per-user monthly plans (Essential/Standard/Enterprise tiers); annual billing discounts | startups |
Virtual phone system with flat account-based pricing (no per-user fees), aimed at solopreneurs and small teams wanting a business line on their cell. Consider it if solopreneurs is your priority.
Flat account pricing with no per-user fees and unlimited users.
Simple business phone numbers integrated with Google Workspace, with low flat per-user pricing and basic call routing. Worth a look for google-workspace.
The simplest business phone for teams already living in Google Workspace.
Affordable VoIP for very small businesses with a choice of per-user or limited-minute plans and a wide set of included calling features. A good swap when you care most about small-business.
Budget VoIP packing 50+ voice features and unlimited minutes for small teams.
Virtual phone system and light call center for small businesses, with auto attendant, call routing and an optional predictive dialer. A good swap when you care most about small-business.
A budget virtual phone with multi-level IVR and API even on the base plan.
Minimalist second-line app that adds a separate business number to an existing phone, with a single low-cost subscription tier. A good swap when you care most about solopreneurs.
A minimalist second-line app that puts a business number on your existing phone.
Cloud telephony with virtual numbers in 100+ countries, unified call inbox and CRM integrations aimed at startups and SMBs. Consider it if startups is your priority.
Affordable cloud telephony with virtual numbers in 100+ countries.
Grasshopper is our pick for most users looking to move on from OpenPhone (Quo), though the best fit depends on your needs.
Several alternatives above offer a free tier or trial, so you can test them without upfront cost.
Common reasons are pricing, a specific feature, or a workflow that another tool handles more naturally.