This bilingual dictionary provides quick lookups for English and Japanese words. It contains over 110,000 entries, facilitating language learning and translation for users.
JDict Dictionary by Mercury Software Japan Inc.

247+ iOS apps curated and reviewed
The best jdict dictionary apps on iPhone average 3.9★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Jun 2026 | ||
| 2 | Free | 4.7★ (54) | No | Yes | Sep 2026 | ||
| 3 | Free | 4.8★ (328K) | Yes | No | Sep 2026 | ||
| 4 | Free | 4.6★ (29K) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.8★ (15K) | Yes | Yes | Sep 2026 | ||
| 6 | $3.99 | 4.7★ (59) | No | No | Aug 2026 | ||
| 7 | Free | 3.8★ (27) | Yes | No | Sep 2026 | ||
| 8 | Free | 3.0★ (1) | Yes | No | Jul 2026 |

This bilingual dictionary provides quick lookups for English and Japanese words. It contains over 110,000 entries, facilitating language learning and translation for users.






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Access over 2 million trusted definitions and synonyms for English words. Enhance your vocabulary with daily new words, example sentences, and audio pronunciations. This app provides grammar tips and editorial content to deepen your understanding of the English language.