Advanced Custom Fields Multilingual vs Relevanssi
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| Feature | Advanced Custom Fields Multilingual v2.2.4 · checked 23 Oct 2026 Paid Visit Details | Relevanssi v4.28.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | — | 100,000+ |
| Last updated | — | October 23, 2026 |
| Editions | Advanced Custom Fields Multilingual ($) | Relevanssi · Relevanssi Premium ($) |
| Pros | Per-field translation modes for ACF field groups; Translates ACF strings, taxonomy fields and attachments; Integrates with WPML's translation editor and jobs | Relevance-sorted results with partial-word matching; Compatibility modules for WooCommerce, Polylang, WPML and ACF; Search log and did-you-mean suggestions |
| Cons | Requires WPML core to be active; Field translation settings take time to set up correctly; Commercial add-on; its licence sits with WPML | 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 |
| Mentioned in our posts | — | 1 |
| More features | ||
| Other features | Translation mode per field group ($), Locks custom post type translation settings ($), Translatable taxonomy fields ($), Translatable attachment fields ($), Repeater field handling for translations ($), ACF strings sent to WPML string translation ($), Translation editor job filter for ACF fields ($) | Relevance-sorted search results, Custom search index table, Stop word list, Search log with optional IP recording, Did you mean block, Relevanssi admin menu with settings, Hooks into Premium-only features when installed ($) |
| Integrations | ||
| E-commerce | — | WooCommerce |
| Plugins | WPML ($), Advanced Custom Fields ($) | Polylang, WPML, Advanced Custom Fields |
| Requires WordPress | — | 4.9 |
| Requires PHP | — | 7.1 |
| Tested up to | — | 7.1 |
| Phones home | No | No |
| Blocks | — | 1 |
| Custom tables | — | 3 |