209+ iOS apps curated and reviewed
The best biology dictionary offline apps on iPhone average 4.4★ across 209+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 2.5★ (4) | No | No | May 2026 |
| 2 |  | Free | 4.6★ (29K) | No | Yes | Aug 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | Aug 2026 |
| 5 |  | Free | 4.6★ (12K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.8★ (15K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.5★ (163) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.8★ (328K) | Yes | No | Aug 2026 |
Access a comprehensive offline biology dictionary with numerous terms. This free application works without an internet connection, making it ideal for study on the go. It features an alphabetical listing and a search tool for easy navigation.
Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.
This app provides an offline dictionary and translator for over 50 languages. It offers smart word suggestions, text translation in other apps, offline pronunciation, and a picture dictionary. An optional premium upgrade unlocks advanced features and an ad-free experience.
Access a comprehensive dictionary, thesaurus, and translation tool with millions of definitions and synonyms. Explore specialty dictionaries, learn new words daily, and play word games. This app offers offline access and integrates seamlessly with other applications.
Access over 150,000 medical definitions, terminology, and abbreviations across all branches of medicine. This free resource offers clear explanations for medical professionals, students, and anyone interested in healthcare terms.
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.
Access a comprehensive offline dictionary of biotechnology terms and words. This free application features an alphabetical listing, a search tool, and a learning aid, making it ideal for study and reference without an internet connection.
Enhance your English vocabulary with a comprehensive offline dictionary and thesaurus. Access over 500,000 words, their meanings, synonyms, antonyms, and pronunciations. Perfect for students and professionals to improve language skills anytime, anywhere.
Explore the origins and history of English words with this comprehensive dictionary app. It offers instant search, related word suggestions, and an offline mode for premium users. Enhance your vocabulary and understanding of word roots.
Expand your vocabulary with daily word learning and engaging games. This app offers customizable learning paths and difficulty levels to suit your English proficiency. Make vocabulary acquisition a fun and effective part of your routine.
Instantly decode biology terms with this offline dictionary. Features a vast encyclopedia, search functionality, bookmarking, and audio pronunciation. Perfect for students and professionals needing quick access to biological definitions.
Access America's most respected dictionary, updated with new words and meanings. This app offers offline access, voice search, daily vocabulary challenges, and a thesaurus. It's designed for English language reference, education, and vocabulary enhancement.
This app provides a comprehensive offline English dictionary and thesaurus with fast searching, spelling suggestions, definitions, and usage examples. It offers extensive word data and advanced search filters without requiring an internet connection.
Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.
Access America's leading dictionary with over 15,000 extra entries for people and places. Enjoy offline access, voice search, and daily vocabulary builders. This app offers expert word guidance with a thesaurus and example sentences.
This app serves as a comprehensive offline Vietnamese-English dictionary and translator. It offers text translation, word suggestions, pronunciation guides, and a picture dictionary to enhance language learning and communication.
This app provides a comprehensive English to Spanish and Spanish to English dictionary and translator. It offers offline functionality, word correction, and the ability to translate text directly from other applications and web browsers. Users can also access image search and word reminders.