Head-to-head · October 2026
MainWP Key Maker vs MainWP Post SMTP Extension
MainWP Key Maker comes out ahead, winning 6 of 7 head-to-head checks against MainWP Post SMTP Extension.
MainWP Key Maker
Note: This plugin is only useful if you are using MainWP and the Bulk Settings Manager Extension.
MainWP Post SMTP Extension
Want to simplify your WordPress email management across all your sites? If your answer is yes, then you need…
| Metric | MainWP Key Maker | MainWP Post SMTP Extension |
|---|---|---|
| Active installs | 3K+ | 300+ |
| Downloads (30 days) | 351 | 190 |
| Download trend | -25.6% | +35.7% |
| Rating | 4.2/5 | 5/5 |
| Reviews | 5 | 1 |
| Health score | 76/100 | 52/100 |
| Last updated | 2 months ago | 7 months ago |
| Tested up to | WP 7.1.3 | WP 6.9.10 |
| Support resolved | — | 100% |
| Requires PHP | 7.4+ | 7.0+ |
| First released | Oct 2015 | Dec 2023 |
Daily downloads, last 90 days
MainWP Key MakerMainWP Post SMTP Extens…
Choose MainWP Key Maker if…
You care most about active installs, downloads (30 days) and reviews.
- Tested with the latest WordPress (7.1)
Choose MainWP Post SMTP Extension if…
You care most about download trend.
- Small user base (300+ active installs)
- Very few reviews so far
- Only tested up to WordPress 6.9 (latest is 7.1)
Both compete in: MainWP MainWP Child
FAQ
MainWP Key Maker vs MainWP Post SMTP Extension: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 7, 2026
Which is better, MainWP Key Maker or MainWP Post SMTP Extension?
MainWP Key Maker comes out ahead, winning 6 of 7 head-to-head checks against MainWP Post SMTP Extension. Choose MainWP Key Maker if you care most about active installs, downloads (30 days) and reviews. Choose MainWP Post SMTP Extension if you care most about download trend.
Is MainWP Key Maker more popular than MainWP Post SMTP Extension?
MainWP Key Maker is the more popular of the two with 3K+ active installs, compared with 300+ for MainWP Post SMTP Extension.
Can I use MainWP Key Maker and MainWP Post SMTP Extension together?
Both plugins cover MainWP and MainWP Child, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are MainWP Key Maker and MainWP Post SMTP Extension free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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