WordPress plugin comparison
Letterness vs Sender
At a glance
- Sender has more active installs: 6K+, against 10+ for Letterness.
- On a typical day, Sender is downloaded about 206 times, Letterness about 7.
- Letterness has no reviews yet.
- Letterness was updated more recently: Nov 9, 2026, against Nov 4, 2026 for Sender.
- Sender is tested with a newer WordPress: 7.1.4, against 7.0.8 for Letterness.
- Sender has been around longer: since 2021, against 2026 for Letterness.
Line by line
Sender leads on 5 of 6 comparable lines.
| Metric |  Letterness |  Sender |
|---|---|---|
| Popular rank | #29,652 | #2,910 |
| Active installs | 10+ | 6K+ |
| Downloads, last 30 days | 233 | 8.8K |
| Rating | No ratings | 4.8(84) |
| Support threads resolved | – | 100% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.13 | ×0.94 |
| Last release | 2 days ago | 6 days ago |
| Requires PHP | 7.4 | 7.1 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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