OpenPhone is a cloud-based business phone system that provides a shared, app-based workspace for calling, texting, voicemail, and collaboration using shared inboxes, internal threads/notes, tagging, and integrations to organize communications.
Published Oct 15, 2026
| Starting Price | Entry-level per-user annual tier | Comparable entry-level per-user tier | Mid-level per-user annual tier |
| Primary use case | SMBs needing shared numbers and collaborative inbox for calls/texts | Teams seeking broader UC (calls + meetings + AI features) | Organizations needing deeper telephony and a larger integration ecosystem |
| Key Strength | Shared inbox workflows (internal threads/notes) and a simple user experience | More extensive AI features and broader unified communications positioning | Broad integrations and mature routing/UC feature depth |
| Key Weakness | Reported call quality issues and messaging compliance friction; limited enterprise support channels | Can be more feature-rich than some teams require; pricing and feature sets vary by plan | Typically more complex and can be more expensive; heavier administration overhead |
Adoption trends: OpenPhone publishes customer-count figures on vendor pages; third-party VoIP rankings tend to highlight larger incumbents such as RingCentral and Nextiva. Buyers should treat vendor-reported customer counts as marketing assertions unless corroborated.