Haystack vs KAddressBook
| Haystack | KAddressBook | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | $4.95/mo | Free |
| Open source | No | No |
| Platforms | Android, api, iOS, Web | Linux |
| Free plan | Yes | Yes |
| Paid from | 2.5 /user/mo | — |
| Company contacts | Yes | — |
| Email sync | Yes | — |
| Mobile apps | both | — |
| Import sources | phone contacts; paper business cards | Address-book standards; specific import formats are not stated |
| Reminders | — | Yes |
Both are listed in Best Contact Management Software. On Freedom251, Haystack scores higher on our published basis.