Advanced Custom Fields Multilingual vs Polylang
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| Feature | Advanced Custom Fields Multilingual v2.2.4 · checked 23 Oct 2026 Paid Visit Details | Polylang v3.9.1 · checked 23 Oct 2026 Free + paid · ★ 4.7/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | — | 900,000+ |
| Last updated | — | October 21, 2026 |
| Editions | Advanced Custom Fields Multilingual ($) | Polylang · Polylang Pro ($) |
| Pros | Per-field translation modes for ACF field groups; Translates ACF strings, taxonomy fields and attachments; Integrates with WPML's translation editor and jobs | Unlimited languages with WordPress language packs; Language switcher widget and block; Language-specific URLs and multilingual sitemaps |
| Cons | Requires WPML core to be active; Field translation settings take time to set up correctly; Commercial add-on; its licence sits with WPML | Translation is manual in the free version; Machine translation and translated slugs need Pro; WooCommerce support is a separate add-on |
| Mentioned in our posts | — | 1 |
| Features (Translation plugins checklist) | ||
| Machine translation | — | Paid |
| SEO-friendly URLs | — | Yes |
| WooCommerce | — | No |
| Languages limit | — | unlimited |
| Free version | — | Yes |
| 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 ($) | Language switcher widget and block, Multilingual sitemaps, Language-specific URLs, Translated slugs (preview, Pro) ($), Shared slugs (preview, Pro) ($), DeepL machine translation (preview, Pro) ($) |
| Integrations | ||
| Storage | — | WP Offload Media Lite |
| Plugins | WPML ($), Advanced Custom Fields ($) | Yoast SEO, Jetpack |
| Other | — | polylang.pro licence server ($) |
| Requires WordPress | — | 6.8 |
| Requires PHP | — | 7.4 |
| Tested up to | — | 7.1 |
| Phones home | No | No |
| External services | — | polylang.pro |
| Blocks | — | 2 |