WordPress plugin comparison
Mailster Kickbox vs Email Checker
At a glance
- Both have 10+ active installs.
- On a typical day, Mailster Kickbox is downloaded about 3 times, Email Checker about 1.
- Mailster Kickbox was updated more recently: Oct 13, 2026, against Feb 10, 2017 for Email Checker.
- Mailster Kickbox is tested with a newer WordPress: 7.1.4, against 4.7.39 for Email Checker.
Line by line
Mailster Kickbox leads on 5 of 5 comparable lines.
| Metric |  Mailster Kickbox |  Email Checker |
|---|---|---|
| Popular rank | #35,805 | #43,640 |
| Active installs | 10+ | 10+ |
| Downloads, last 30 days | 164 | 25 |
| Rating | No ratings | No ratings |
| Support threads resolved | – | – |
| Tested up to | 7.1.4 | 4.7.39 |
| Search multiplier | ×0.13 | ×0.00 |
| Last release | 28 days ago | 9 years ago |
| Requires PHP | – | – |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
- Mailster Kickbox vs User Verification by PickPlugins
- Mailster Kickbox vs ZeroBounce Email Verification & Validation
- Mailster Kickbox vs Clearout Email Validator
- Mailster Kickbox vs DeBounce Email Validator
- Email Checker vs ZeroBounce Email Verification & Validation
- Email Checker vs Clearout Email Validator
- Email Checker vs DeBounce Email Validator
- Email Checker vs Dilli Email Validator
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free