Loco Translate vs Relevanssi
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Loco Translate v2.8.9 · checked 23 Oct 2026 Free · ★ 4.8/5 Visit Details | Relevanssi v4.28.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 1M+ | 100,000+ |
| Last updated | September 30, 2026 | October 23, 2026 |
| Editions | Loco Translate | Relevanssi · Relevanssi Premium ($) |
| Pros | In-admin PO editor, no desktop translation tools needed; Extracts strings and builds POT templates from source code; Compiles MO and JSON files without gettext installed; Machine translation through your own API keys | Relevance-sorted results with partial-word matching; Compatibility modules for WooCommerce, Polylang, WPML and ACF; Search log and did-you-mean suggestions |
| Cons | Machine translation needs keys from DeepL, OpenAI, Gemini or OpenRouter; Translates interface strings only, not site content; Not a multilingual content plugin; no translated URLs | Index tables can need hundreds of megabytes of database space; Some advanced features are only in Relevanssi Premium; Search log stores what visitors search for, which may need a privacy notice |
| Mentioned in our posts | 2 | 1 |
| Features (Translation plugins checklist) | ||
| Machine translation | Yes | — |
| Visual editor | Yes | — |
| SEO-friendly URLs | No | — |
| WooCommerce | No | — |
| Free version | Yes | — |
| More features | ||
| Other features | In-admin PO editor, String extraction to POT templates, Native MO compilation, JSON (Jed) file export for script translations, Protected languages directory, WP-CLI commands for extract, fetch and sync, Fetch official translations from translate.wordpress.org | Relevance-sorted search results, Custom search index table, Stop word list, Search log with optional IP recording, Did you mean block, Relevanssi admin menu with settings, Hooks into Premium-only features when installed ($) |
| Integrations | ||
| E-commerce | — | WooCommerce |
| Plugins | — | Polylang, WPML, Advanced Custom Fields |
| Other | OpenAI, Google Gemini, OpenRouter, DeepL, WordPress.org translations (GlotPress) | — |
| Requires WordPress | 6.6 | 4.9 |
| Requires PHP | 7.4 | 7.1 |
| Tested up to | 7.1.2 | 7.1 |
| Phones home | No | No |
| External services | translate.wordpress.org, api.openai.com, generativelanguage.googleapis.com, openrouter.ai | — |
| Blocks | — | 1 |
| Custom tables | — | 3 |