# RetainFlow vs ZS Action Scheduler Optim…

> RetainFlow vs ZS Action Scheduler Optim… compared on installs, downloads, ratings, updates, compatibility and support. ZS Action Scheduler Optimiz… comes out ahead, winning 5 of 6 head-to-head checks against RetainFlow.

**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.

| | RetainFlow — Subscription Retention for WooCommerce | ZS Action Scheduler Optimizer |
|---|---|---|
| Active installs | <10 | 300+ ✅ |
| Downloads (30 days) | 55 | 168 ✅ |
| Download trend | +10% ✅ | -40.6% |
| 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 |

## Frequently asked questions

### 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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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/compare/retainwoo-vs-zs-action-scheduler-optimizer/ · Generated 2026-10-12 02:22 UTC by PageForge