# RSS Feed Checker vs VAT / UST ID Checker

> RSS Feed Checker vs VAT / UST ID Checker compared on installs, downloads, ratings, updates, compatibility and support. VAT / UST ID Checker comes out ahead, winning 4 of 7 head-to-head checks against RSS Feed Checker.

**VAT / UST ID Checker comes out ahead, winning 4 of 7 head-to-head checks against RSS Feed Checker.** Choose RSS Feed Checker if you care most about active installs, downloads (30 days) and download trend. Choose VAT / UST ID Checker if you care most about reviews, health score and last updated.

| | RSS Feed Checker | VAT / UST ID Checker – Validator EU for WooCommerce |
|---|---|---|
| Active installs | 60+ ✅ | 10+ |
| Downloads (30 days) | 180 ✅ | 41 |
| Download trend | -4.8% ✅ | -50.6% |
| Rating | — | 5/5 |
| Reviews | 0 | 1 ✅ |
| Health score | 25/100 | 30/100 ✅ |
| Last updated | 14 years ago | 6 years ago ✅ |
| Tested up to | WP 3.3.2 | WP 5.5.23 ✅ |
| Support resolved | — | — |
| Requires PHP | Any | 5.2.4+ |
| First released | Mar 2012 | Oct 2020 |

## Frequently asked questions

### Which is better, RSS Feed Checker or VAT / UST ID Checker?
VAT / UST ID Checker comes out ahead, winning 4 of 7 head-to-head checks against RSS Feed Checker. Choose RSS Feed Checker if you care most about active installs, downloads (30 days) and download trend. Choose VAT / UST ID Checker if you care most about reviews, health score and last updated.

### Is RSS Feed Checker more popular than VAT / UST ID Checker?
RSS Feed Checker is the more popular of the two with 60+ active installs, compared with 10+ for VAT / UST ID Checker.

### Can I use RSS Feed Checker and VAT / UST ID Checker together?
Both plugins cover validator, 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 RSS Feed Checker and VAT / UST ID Checker 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/rss-feed-validator-vs-vat-ust-id-checker-validator-eu-for-woocommerce/ · Generated 2026-10-23 23:33 UTC by PageForge