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
110
84.0
=
|
Thunderbird for Android
106
84.5
=
|
|---|---|---|
| Score | 84.0 | 84.5 (best) |
| Release freshness | 100.0 | 100.0 |
| Adoption signals | 68.1 | 69.1 (best) |
| Release freshness |
Updated 4 days ago |
Updated 6 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
#110 overall · #6 in category
84.0/100
- Release freshness +50.0 100.0 × 50%
- Adoption signals +34.0 68.1 × 50%
Rank receipt: Thunderbird for Android
#106 overall · #4 in category
84.5/100
- Release freshness +50.0 100.0 × 50%
- Adoption signals +34.5 69.1 × 50%
Component values are before weighting. Read the full formula