CircleBack vs KAddressBook
| CircleBack | KAddressBook | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Android, iOS, Web | Linux |
| Free plan | Yes | Yes |
| Company contacts | Yes | — |
| Email sync | Yes | — |
| Mobile apps | both | — |
| Import sources | Gmail, Google Apps, Exchange/Outlook, Office 365, Outlook.com, Yahoo, Twitter, Facebook, LinkedIn, business cards | Address-book standards; specific import formats are not stated |
| Reminders | — | Yes |
Both are listed in Best Contact Management Software. On Samsung Mobile US Press, CircleBack scores higher on our published basis.