K-9 Mail vs. Mailspring
A side-by-side comparison based on G2 review data.
| Metric | K-9 Mail | Mailspring |
|---|---|---|
| Overall rating | 4.5 | 3.8 |
| Review count | 13 | 18 |
| Ease of use | 8.7 | 8.9 |
| Ease of setup | 10.0 | 9.3 |
| Quality of support | 8.6 | 7.5 |
| Meets requirements | 9.0 | 7.7 |
| NPS | 69.230769 | 38.888889 |
| Small Business | 46.2% | 64.7% |
| Mid-Market | 30.8% | 11.8% |
| Enterprise | 23.1% | 23.5% |
| Total page views | 137 | 184 |
| Total LLM citations | 948 | 1,632 |
K-9 Mail
K-9 is an opensource email client based on the Email application shipped with the initial release of Android. K-9 is focused on making it easy to chew through large volumes of email.
Mailspring
Mailspring is a mail client for Mac, Windows and Linux.