Best Drug Dictionary Offline Apps

200+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

Drugs Dictionary is the household name in drug dictionary offline, but it's far from the only option. We track 200+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

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
Drugs Dictionary - Offline screenshot 2
Drugs Dictionary - Offline screenshot 3
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.

Oxford Dictionary & Thesaurus#2

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Strong Contender
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#79in Reference
Oxford Dictionary & Thesaurus screenshot 1
Oxford Dictionary & Thesaurus screenshot 2
Oxford Dictionary & Thesaurus screenshot 3
Oxford Dictionary & Thesaurus screenshot 4
Oxford Dictionary & Thesaurus screenshot 5
Oxford Dictionary & Thesaurus screenshot 6

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
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
6
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
7
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
8
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
9
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
(85)
free
10
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
11
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
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
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
14
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
15
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
16
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
17
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
18
Drugs Dictionary Pro
Drugs Dictionary Pro
Drugs Dictionary Pro
Drugs
Free
💪 Health & Fitness
(0)
19
Medicine Dictionary
Medicine Dictionary
Medicine Dictionary
and Prescription Drug Guide
Free

Access comprehensive information on over 4,000 prescription and over-the-counter medications. This drug dictionary provides details on generic and brand names, side effects, interactions, and more, trusted by healthcare professionals.

4,000+ prescription and OTC medicationsDetailed drug entriesUnlimited bookmarks
🏥 Medical
(904)
free with in-app purchases
20
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