Relevanssi vs WPML String Translation
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| Feature | Relevanssi v4.28.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details | WPML String Translation v3.5.4 · checked 23 Oct 2026 Paid Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 100,000+ | — |
| Last updated | October 23, 2026 | — |
| Editions | Relevanssi · Relevanssi Premium ($) | WPML String Translation ($) |
| Pros | Relevance-sorted results with partial-word matching; Compatibility modules for WooCommerce, Polylang, WPML and ACF; Search log and did-you-mean suggestions | Scans theme and plugin files for translatable strings; Translates strings, PO and MO files and post slugs in one place; Provides a wpml-string shortcode for inline translation |
| Cons | Index tables can need hundreds of megabytes of database space; Some advanced features are only in Relevanssi Premium; Search log stores what visitors search for, which may need a privacy notice | Needs WPML core installed and active; Sold with the WPML subscription, no free edition; Scanning large themes or plugin sets can be slow |
| Mentioned in our posts | 1 | — |
| Features (Translation plugins checklist) | ||
| Machine translation | — | No |
| Visual editor | — | No |
| SEO-friendly URLs | — | Yes |
| Free version | — | No |
| More features | ||
| Other features | Relevance-sorted search results, Custom search index table, Stop word list, Search log with optional IP recording, Did you mean block, Relevanssi admin menu with settings, Hooks into Premium-only features when installed ($) | Scan theme and plugin files for translatable strings ($), Import PO strings into the string table ($), Translation memory for reusing earlier translations ($), Track where each string appears on the front end ($), Batch translation of registered strings ($), wpml-string shortcode for inline translated text ($) |
| Integrations | ||
| E-commerce | WooCommerce | — |
| Plugins | Polylang, WPML, Advanced Custom Fields | WPML ($) |
| Requires WordPress | 4.9 | — |
| Requires PHP | 7.1 | — |
| Tested up to | 7.1 | — |
| Phones home | No | No |
| Blocks | 1 | — |
| Shortcodes | — | 1 |
| Custom tables | 3 | — |