Google Drive vs PortSIP PBX
| Google Drive | PortSIP PBX | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $1.99/mo | Free |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Windows | — |
| Free plan | No | Yes |
| Paid from | $10/user/mo | — |
| Included users | 10 users | 3 users |
| Business numbers | local | multiple |
| Auto attendant | Yes | Yes |
| Call routing | custom | custom |
| Voicemail transcription | Yes | Yes |
| Desktop and mobile apps | Yes | Yes |
Both are listed in Best Business Phone Systems. On Freedom251, PortSIP PBX scores higher on our published basis.