Signal for iOS vs Thunderbird for Android
The best value in each numeric row is marked. Sponsorship has no effect on any of them.
| Criteria |
Signal for iOS
142
77.9
=
|
Thunderbird for Android
141
78.0
=
|
|---|---|---|
| Score | 77.9 | 78.0 (best) |
| Release freshness | 94.0 (best) | 93.4 |
| Adoption signals | 68.1 | 69.1 (best) |
| Release freshness |
Updated 50 days ago
|
Updated 52 days ago
|
| Latest version | 8.29.0.1866 · 2026-09-16 | THUNDERBIRD_24_0b2 · 2026-09-14 |
| Pricing | Free | Free |
| License | Open source | Open source |
| Platforms | ||
| iOS | ✓ | - |
| Android | - | ✓ |
| Features | ||
| Integrations | ||
Rank receipt: Signal for iOS
#142 overall · #4 in category
77.9/100
- Platform readiness +28.0 70.0 × 40%
- Release freshness +32.9 94.0 × 35%
- Adoption signals +17.0 68.1 × 25%
Rank receipt: Thunderbird for Android
#141 overall · #3 in category
78.0/100
- Platform readiness +28.0 70.0 × 40%
- Release freshness +32.7 93.4 × 35%
- Adoption signals +17.3 69.1 × 25%
Component values are before weighting. Read the full formula