WordPress plugin comparison
PRBLEM Airmail Notice vs Stackable
At a glance
- Stackable has more active installs: 100K+, against fewer than 10 for PRBLEM Airmail Notice.
- On a typical day, Stackable is downloaded about 1,061 times, PRBLEM Airmail Notice about 3.
- PRBLEM Airmail Notice has no reviews yet.
- Stackable was updated more recently: Oct 13, 2026, against Sep 24, 2026 for PRBLEM Airmail Notice.
- Both are tested up to WordPress 7.1.4.
- Stackable has been around longer: since 2018, against 2026 for PRBLEM Airmail Notice.
Line by line
Stackable leads on 5 of 5 comparable lines.
| Metric |  PRBLEM Airmail Notice |  Stackable |
|---|---|---|
| Popular rank | #57,951 | #333 |
| Active installs | Fewer than 10 | 100K+ |
| Downloads, last 30 days | 63 | 80.5K |
| Rating | No ratings | 4.9(522) |
| Support threads resolved | – | 0% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.05 | ×1.14 |
| Last release | 1 month ago | 28 days ago |
| Requires PHP | 7.4 | 7.4 |
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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