Head-to-head · October 2026
RetainFlow vs ZS Action Scheduler Optim…
ZS Action Scheduler Optimiz… comes out ahead, winning 5 of 6 head-to-head checks against RetainFlow.
ZS Action Scheduler Optimizer
ZS Action Scheduler Optimizer provides a simple administration page under Tools for maintaining Action…
| Metric | RetainFlow | ZS Action Scheduler Optim… |
|---|---|---|
| Active installs | <10 | 300+ |
| Downloads (30 days) | 55 | 164 |
| Download trend | +3.8% | -62.8% |
| Rating | — | 5/5 |
| Reviews | 0 | 1 |
| Health score | 49/100 | 67/100 |
| Last updated | 3 months ago | 2 months ago |
| Tested up to | WP 7.0.7 | WP 7.0.7 |
| Support resolved | — | — |
| Requires PHP | 7.4+ | Any |
| First released | Mar 2026 | Mar 2024 |
Daily downloads, last 90 days
RetainFlowZS Action Scheduler Opt…
Choose RetainFlow if…
You care most about download trend.
- Small user base (<10 active installs)
- Very few reviews so far
Choose ZS Action Scheduler Optim… if…
You care most about active installs, downloads (30 days) and reviews.
- Small user base (300+ active installs)
- Very few reviews so far
Both compete in: retention
FAQ
RetainFlow vs ZS Action Scheduler Optim…: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 11, 2026
Which is better, RetainFlow or ZS Action Scheduler Optimiz…?
ZS Action Scheduler Optimiz… comes out ahead, winning 5 of 6 head-to-head checks against RetainFlow. Choose RetainFlow if you care most about download trend. Choose ZS Action Scheduler Optimiz… if you care most about active installs, downloads (30 days) and reviews.
Is RetainFlow more popular than ZS Action Scheduler Optimiz…?
ZS Action Scheduler Optimiz… is the more popular of the two with 300+ active installs, compared with <10 for RetainFlow.
Can I use RetainFlow and ZS Action Scheduler Optimiz… together?
Both plugins cover retention, 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 RetainFlow and ZS Action Scheduler Optimiz… 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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