Alternatives
Most reliable Quo (formerly OpenPhone) alternatives (2026)
Quo (formerly OpenPhone) has a reliability score of 83.4/100 with 99.83% uptime over the last 90 days. Here is how every alternative we track compares, ranked by reliability.
Business Phone Systems alternatives to Quo (formerly OpenPhone)
| Alternative | Score | Uptime |
|---|---|---|
| Grasshopper#1 business phone systemVisit site ↗ | 94.6 | 99.96% |
| JustCall#2 business phone systemVisit site ↗ | 93.4 | 99.96% |
| CloudTalk#3 business phone systemVisit site ↗ | 89.6 | 99.91% |
| GoTo Connect#4 business phone systemVisit site ↗ | 87.9 | 99.87% |
| net2phone#6 business phone systemVisit site ↗ | 81.1 | 99.89% |
| Freshdesk Contact Center (Freshcaller)#7 business phone systemVisit site ↗ | 79.9 | 99.75% |
| Dialpad#8 business phone systemVisit site ↗ | 75.6 | 99.65% |
| Vonage Business Communications#9 business phone systemVisit site ↗ | 73.0 | 99.72% |
| Nextiva#10 business phone systemVisit site ↗ | 66.1 | 99.37% |
| RingCentral#11 business phone systemVisit site ↗ | 65.2 | 99.96% |
| Aircall#12 business phone systemVisit site ↗ | 59.6 | 99.30% |
| Zoom Phone#13 business phone systemVisit site ↗ | 51.8 | 99.22% |