Side by side
Kolab vs mailcow
Both stand on mail server software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+5
Visit Kolab 
Free plan AndroidiPhoneLinux+2
Visit mailcow The facts
| Kolab | mailcow | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows | Android, iPhone, Linux, Self-hosted, Web |
| Lowest paid plan | Free or on request | shared mailcow: €8.90 a month |
| Plans published | 1 | 7 |
| Maker | Not published | Not published |
| Website | kolab.org | mailcow.email |
| On mail server software | #7 of 34 | #11 of 34 |
Alternatives to Kolab Alternatives to mailcow The whole list