Best Biology Dictionary Handbook Apps

188+ iOS apps curated and reviewed

4.2 avg rating

18 free apps

Updated May 2026

With an average user rating of 4.2★, the biology dictionary handbook category is one of the App Store's strongest. Browse all 188+ apps we track, sorted so the most loved ones surface first.

Compare top Biology Dictionary Handbook Apps (May 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Biology Dictionary & Course	Free	—	Yes	No	May 2026
2	Biology Dictionary - Terms Definitions	Free	1.0★ (1)	No	No	May 2026
3	Biology Encyclopedia	Free	—	No	No	May 2026
4	Biology Dictionary Pro	Free	—	No	No	May 2026
5	Oxford Dictionary & Thesaurus	Free	4.6★ (29K)	No	Yes	Sep 2026
6	Marine Biology — dictionary	Free	4.1★ (9)	No	Yes	May 2026
7	Biology Dictionary Offline	Free	2.5★ (4)	No	No	May 2026
8	Dictionary.	Free	4.8★ (15K)	Yes	Yes	Sep 2026

Top Picks for Biology Dictionary Handbook

#1

Biology Dictionary & Course by David Ortega Lopez

Learn biology terms

Editor's Choice

0.0(0 ratings)

FreeAds

Biology Dictionary & Course screenshot 1

Biology Dictionary & Course screenshot 2

Biology Dictionary & Course screenshot 3

Biology Dictionary & Course screenshot 4

Biology Dictionary & Course screenshot 5

Biology Dictionary & Course screenshot 6

#2

Biology Dictionary - Terms Definitions by Santosh Mishra

Strong Contender

1.0(1 ratings)

Free

Biology Dictionary - Terms Definitions screenshot 1

Biology Dictionary - Terms Definitions screenshot 2

Biology Dictionary - Terms Definitions screenshot 3

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.

#3

Biology Encyclopedia by Harikrishna Patel

Worth Considering

0.0(0 ratings)

Free

Biology Encyclopedia screenshot 1

Biology Encyclopedia screenshot 2

Biology Encyclopedia screenshot 3

Biology Encyclopedia screenshot 4

More Biology Dictionary Handbook apps to explore

Biology Dictionary Pro

Biology Dictionary Pro

Biology Dictionary Pro

Biology Dictionary Offline

Oxford Dictionary & Thesaurus

Oxford Dictionary & Thesaurus

Oxford Dictionary & Thesaurus

Etymology & Offline Vocabulary

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.

15 Oxford DictionariesThesaurus integrationAudio pronunciations

free with in-app purchases

Marine Biology — dictionary

Marine Biology — dictionary

Marine Biology — dictionary

This app serves as a comprehensive personal study guide for marine biology. It offers a dictionary of terms with definitions, flashcards, visual explanations, and a powerful search function. Additionally, it includes 146 video lessons and a detailed textbook covering major topics.

Marine biology dictionaryFlashcards for termsVisual explanations

free with in-app purchases

Biology Dictionary Offline

Biology Dictionary Offline

Biology Dictionary Offline

by Andrew Putranto

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.

Offline functionalityExtensive biology termsCompletely free

by TheFreeDictionary.com

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.

Offline dictionary and thesaurusMillions of definitions and synonymsWord of the Day and Idiom of the Day

free with in-app purchases

Biology Notes and Dictionary

Biology Notes and Dictionary

Biology Notes and Dictionary

Biology Notes MCQs Dictionary

Advanced English Dictionary.

Advanced English Dictionary.

Advanced English Dictionary.

English Dictionary & Thesaurus

This comprehensive English dictionary and thesaurus offers offline access to millions of words, definitions, pronunciations, and etymologies. Explore word connections, sample sentences, and discover new vocabulary with advanced search and unique features.

Extensive word database (4.9 million words)High-quality audio pronunciations (US, UK, AU)Advanced search technology

Biology Answers - AP Biology

Biology Answers - AP Biology

Biology Answers - AP Biology

Learn Biology anywhere

This app provides comprehensive learning materials, quizzes, and a glossary for biology students. It offers detailed diagrams and tracks quiz results to help users revise for tests and exams. The content is graded over three levels, making it suitable for secondary and university-level studies.

Comprehensive learning materialThousands of quiz questionsTrack quiz results

Instantly look up words from your iOS Home Screen without opening the app. Get definitions in seconds to aid studying, reading, or satisfying curiosity, keeping you focused and learning.

Home Screen widget for instant lookupsNo app launch requiredQuick definitions

Advanced Dictionary&Thesaurus

Advanced Dictionary&Thesaurus

Advanced Dictionary&Thesaurus

English dictionary with Audio

This comprehensive English dictionary and thesaurus offers precise definitions, synonyms, antonyms, and related words. It features intelligent search tools, offline audio, and customizable themes to enhance your language learning experience.

140,000+ definitionsSynonyms, antonyms, and related wordsOffline audio pronunciation

free with in-app purchases

Medical Dictionary - English

Medical Dictionary - English

Medical Dictionary - English

150,000 medical terms

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.

150,000+ medical definitionsExtensive terminology and abbreviationsCovers all branches of medicine

free with in-app purchases

BioPath: Explore Biology

BioPath: Explore Biology

BioPath: Explore Biology

Biology Study & Quizzes

This app is a comprehensive biology study companion offering interactive learning and quizzes. It features an AI tutor for step-by-step guidance, detailed explanations, and progress tracking to help students master biological concepts.

AI Tutor for step-by-step guidanceExtensive topic coverageEngaging quiz formats

free with in-app purchases

Biology AI: Science Answers

Biology AI: Science Answers

Biology AI: Science Answers

Learn Bio, AP Study Tutor

Get instant, AI-powered help with biology questions and problems. Snap photos of your homework for step-by-step explanations covering all areas of biology, available 24/7.

Instant AI-powered answersPhoto recognition for problemsComprehensive biology coverage

free with in-app purchases

Biotechnology Dictionary Offline

Biotechnology Dictionary Offline

Biotechnology Dictionary Offline

by Andrew Putranto

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.

Offline accessThousands of termsCompletely free

Biology & Science AI Solver

This app uses AI to provide instant, detailed answers to biology and science questions. Simply scan your query to receive accurate solutions, making it an ideal tool for students and enthusiasts looking to deepen their understanding of life sciences.

Scan and solve biology questions with a photoReceive quick and detailed explanationsReview past inquiries for studying

Advanced English Dictionary HD

Advanced English Dictionary HD

Advanced English Dictionary HD

English Dictionary & Thesaurus

Access a vast English dictionary and thesaurus with millions of words, definitions, and pronunciations. Explore word origins, sample sentences, and discover connections with a unique conceptual thesaurus. Enjoy offline access and an ad-free experience.

Extensive word database (4.9 million words)High-quality audio pronunciations (US, UK, AU)Advanced search technology

American Heritage Dictionary 5

American Heritage Dictionary 5

American Heritage Dictionary 5

UniDict® Powered

Access a comprehensive English language dictionary with over 10,000 new words and senses. Features include real-time searching, cross-referencing, pronunciation guides, and etymologies. Enhance your vocabulary and understanding of word origins on the go.

Entire text of the Fifth EditionReal-time progressive searchingThree-way cross-referencing indexes

free with in-app purchases

FAQ about Biology Dictionary Handbook

Are there free biology dictionary handbook apps for iPhone?

Yes — 18 of the top biology dictionary handbook apps we rank are free to download, including Biology Dictionary & Course and Biology Dictionary - Terms Definitions.

Does Biology Dictionary & Course have ads or in-app purchases?

Biology Dictionary & Course shows ads and has no in-app purchases, according to its App Store listing as of May 2026.

How many biology dictionary handbook apps are on the App Store?

We track 188+ biology dictionary handbook apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.