Which one AI picks, and when.
Data as of Apr 24, 2026 · Based on 6 AI claims comparing the two · See how Parse measures this
Head to head
The two are furthest apart on authority, where Proton leads by 12 points.
| Measure |  Proton |  StartMail |
|---|---|---|
| Parse Score | 72 |
| 70 |
| Strength | 55 | 61 |
|---|
| Reach | 65 | 54 |
|---|
| Authority (widest gap) | 60 | 48 |
|---|
