Best Drug Dictionary Offline Apps

204+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated July 2026

Drugs Dictionary is the household name in drug dictionary offline, but it's far from the only option. We track 204+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Drug Dictionary Offline Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Drugs Dictionary - OfflineDrugs Dictionary - OfflineFree4.9★ (9)YesNoMay 2026
2Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoJul 2026
3Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (28K)NoYesJul 2026
4Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (320K)YesYesJul 2026
5Drug Dictionary FreeDrug Dictionary FreeFreeNoNoMay 2026
6Dictionary Offline - Dict BoxDictionary Offline - Dict BoxFree4.6★ (11K)YesYesJul 2026
7WordWeb DictionaryWordWeb DictionaryFree4.6★ (267)NoNoJul 2026
8Nabaz Drug DictionaryNabaz Drug DictionaryFree4.7★ (212)NoNoJul 2026

Top Picks for Drug Dictionary Offline

Drugs Dictionary - Offline#1

Drugs Dictionary - Offline by FRIENDSAPP LISTING

Medical Dictionary Offline
Editor's Choice
🏥 Medical
4.9(9 ratings)
FreeAds
Drugs Dictionary - Offline screenshot 1
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Drugs Dictionary - Offline screenshot 4
Drugs Dictionary - Offline screenshot 5
Drugs Dictionary - Offline screenshot 6

Access comprehensive information on medications, medical terms, and diseases without an internet connection. This app offers detailed drug data, prescription guidance, and a vast database for educational purposes.

Dictionary.com: English Words#2

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Strong Contender
🔍 Reference
4.8😐(328K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
Dictionary.com: English Words screenshot 2
Dictionary.com: English Words screenshot 3
Dictionary.com: English Words screenshot 4
Dictionary.com: English Words screenshot 5

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.

What We Love

  • 🚀 Robust dictionary and thesaurus
  • 🤓 Helpful resources like blogs and articles
  • 💡 Useful word games and puzzles
  • 👍 Easy to use and navigate

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Etymology & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(28K ratings)
FreeIn-App Purchases
#85in Reference
Oxford Dictionary & Thesaurus screenshot 1
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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.

What We Love

  • 👍 Reliable and simple to use
  • 👍 Comprehensive and best for all English, especially rare and aged language
  • 👍 Very useful for learning new words
  • 👍 Excellent reference app

Room to Improve

  • 🐛 Glitchy, way too many ads
  • 🔒 Annoying popup ads makes it unusable
  • 🔒 Ads stuck in, despite payment

More Drug Dictionary Offline apps to explore

4
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

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.

Offline dictionary accessVoice search for wordsDaily Word of the Day
🔍 Reference
(320K)
free with in-app purchases
5
Drug Dictionary Free
Drug Dictionary Free
Drug Dictionary Free
by Thanh Nguyen Trung
Free
🏥 Medical
(0)
6
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

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.

Offline dictionary & translator50+ languages supportedSmart word suggestions
🔍 Reference
(11K)
free with in-app purchases
7
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

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.

Offline dictionary and thesaurusFast searchingSpelling suggestions
🔍 Reference
(267)
free
8
Nabaz Drug Dictionary
Nabaz Drug Dictionary
Nabaz Drug Dictionary
Nabaz Drug Dictionary
Free

This medical dictionary allows users to search for over 1500 medications by their scientific or trade names. It provides detailed information including drug form, group, usage, side effects, and dosage.

Search by scientific nameSearch by trade nameDrug form details
🏥 Medical
(212)
free
9
Liixuos Drugs Dictionary
Liixuos Drugs Dictionary
Liixuos Drugs Dictionary
Quick Drugs Reference
Free

This medical reference app offers comprehensive information on over 7,700 drugs, including indications, mechanisms of action, and pharmacokinetic details. It features offline access to basic drug data, a user-friendly interface, and search functionality, making it a valuable tool for healthcare students and professionals.

Offline drug informationOver 7,700 drugsDetailed pharmacology data
🏥 Medical
(2)
ad-supported
10
Pocket Drugs Dictionary
Pocket Drugs Dictionary
Pocket Drugs Dictionary
by Hany Elmehy
Free

Access comprehensive drug information offline with a user-friendly interface. Learn about uses, dosages, side effects, and interactions. The app can also read information aloud and allows for easy sharing of details.

Offline access to drug informationUser-friendly interfaceDetailed drug information (uses, side effects, interactions)
🏥 Medical
(6)
free
11
Medical Dictionary by Farlex
Medical Dictionary by Farlex
Medical Dictionary by Farlex
Healthcare Terminology
Free

Access over 180,000 medical terms with clear definitions, audio pronunciations, and images from authoritative sources. This free app is ideal for healthcare professionals, students, and anyone curious about medical terminology, offering offline access to a vast glossary.

180,000+ medical terms and definitionsOffline access to 40,000+ entriesThousands of medical abbreviations
🏥 Medical
(6.5K)
free with in-app purchases
12
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

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
🔍 Reference
(14K)
free with in-app purchases
13
Medical Dictionary Offline Pre
Medical Dictionary Offline Pre
Medical Dictionary Offline Pre
Medical Dictionary
Free

Access a comprehensive offline medical dictionary with over 150,000 terms, definitions, and audio pronunciations. Ideal for medical professionals, students, and anyone seeking clear medical terminology.

Offline access150,000+ medical terms40,000+ audio pronunciations
📚 Education
(20)
free with in-app purchases
14
Etymonline English Dictionary
Etymonline English Dictionary
Etymonline English Dictionary
Dictionary to Build Vocabulary
Free

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.

Word origin explorationInstant search with suggestionsRelated words by root
📚 Education
(11K)
free with in-app purchases
15
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
by TheFreeDictionary.com
$9.99

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.

Ad-free experienceOffline English dictionary and thesaurusOffline dictionaries in 13 languages
🔍 Reference
(2.5K)
paid
16
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Engish Vietnamese Translator
Free

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.

Offline dictionary and translatorText translation for sentences and paragraphsIntelligent word suggestions
🔍 Reference
(18K)
free with in-app purchases
17
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

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
🔍 Reference
(4.3K)
free with in-app purchases
18
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
Dosing, Interactions, & Labs
Free

This clinical reference app empowers healthcare professionals to make safer, faster decisions. It offers comprehensive drug information, interaction checks, pill identification, lab values, and dosing calculators. Access essential clinical tools offline to enhance patient care and workflow efficiency.

Comprehensive Drug ReferenceDrug Interaction CheckerPill Identifier
🏥 Medical
(7.1K)
free with in-app purchases
19
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Premium Ad-free Dictionary
$9.99

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.

Ad-free experience15,000+ premium entriesOffline dictionary access
🔍 Reference
(22K)
freemium
20
Drugs Dictionary Pro
Drugs Dictionary Pro
Drugs Dictionary Pro
Drugs
Free
💪 Health & Fitness
(0)

FAQ about Drug Dictionary Offline

What are the best drug dictionary offline apps for iPhone?
Drugs Dictionary - Offline tops our drug dictionary offline apps ranking as of July 2026, with a 4.9-star average from 9 App Store ratings, and it's free to download.
Yes — 18 of the top drug dictionary offline apps we rank are free to download, including Drugs Dictionary - Offline and Dictionary.com: English Words.
Drugs Dictionary - Offline shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 204+ drug dictionary offline apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Drugs Dictionary provides detailed information about drugs used for medication, many medical terms, and details about diseases. It also includes medication prescriptions for various illnesses.
Yes, Drugs Dictionary is completely offline. You can access all its information without an internet connection after downloading it.