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Best Lookup Dictionary Apps

246+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated October 2026

Whether you're new to lookup dictionary or looking for an upgrade, our curated collection of 246+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Lookup Dictionary Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1LookUp: English Dictionary AppLookUp: English Dictionary AppFree4.7★ (3.1K)NoYesOct 2026
2Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoOct 2026
3LookUpList - Multi-DictionaryLookUpList - Multi-DictionaryFree4.7★ (26)NoNoAug 2026
4AALookup - MDX词典与背单词AALookup - MDX词典与背单词Free—NoYesOct 2026
5DictionaryDictionaryFree4.0★ (5)YesNoSep 2026
6Dictionary - EnglishDictionary - EnglishFree3.7★ (112)NoNoOct 2026
7Dictionary.Dictionary.Free4.8★ (15K)YesYesOct 2026
8One DictionaryOne DictionaryFree—NoNoJul 2026

Top Picks for Lookup Dictionary

LookUp: English Dictionary App#1

LookUp: English Dictionary App by Squircle Apps LLP

Dictionary, Vocabulary Builder
Editor's Choice
🔍 Reference
4.7😐(3.1K ratings)
FreeIn-App Purchases
LookUp: English Dictionary App screenshot 1
LookUp: English Dictionary App screenshot 2
LookUp: English Dictionary App screenshot 3
LookUp: English Dictionary App screenshot 4
LookUp: English Dictionary App screenshot 5
LookUp: English Dictionary App screenshot 6

Enhance your English vocabulary with a daily word, interactive quizzes, and a comprehensive dictionary. Features include visual learning aids, audio pronunciations, and translations to over 20 languages. Ideal for learners and word enthusiasts.

What We Love

  • 🌟 Beautiful and intuitive design
  • 💡 Helpful word of the day feature
  • 👍 Easy to use and navigate
  • 🚀 Fast and responsive app
  • 📚 Extensive vocabulary coverage

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔒 Paywall for basic features
  • ⏱️ Slow search and loading times
  • 📱 Syncing issues across devices
  • 🔇 Pronunciation issues
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
  • 🤩 Great for expanding vocabulary

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
  • 🤔 Confusing layout changes and UI issues
  • 🤷‍♀️ Paid features not always working as expected

More Lookup Dictionary apps to explore

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FAQ about Lookup Dictionary

What are the best lookup dictionary apps for iPhone?
LookUp: English Dictionary App tops our lookup dictionary apps ranking as of October 2026, with a 4.7-star average from 3.1K App Store ratings, and it's free to download.
Yes — 19 of the top lookup dictionary apps we rank are free to download, including LookUp: English Dictionary App and Dictionary.com: English Words.
LookUp: English Dictionary App has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 246+ lookup dictionary apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.