Best American Sign Language Dictionary Apps

243+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated October 2026

With an average user rating of 4.0β˜…, the american sign language dictionary category is one of the App Store's strongest. Browse all 243+ apps we track, sorted so the most loved ones surface first.

Compare top American Sign Language Dictionary Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sign ASLSign ASLFree4.1β˜… (90)YesNoOct 2026
2ASL DictionaryASL Dictionary$4.994.7β˜… (1.3K)NoNoOct 2026
3ASL Dictionary Sign LanguageASL Dictionary Sign Language$7.994.7β˜… (2K)NoNoOct 2026
4Write Sign Language Dictionary - Offline AmericanSign LanguageWrite Sign Language Dictionary - Offline AmericanSign LanguageFree3.0β˜… (1)NoNoMay 2026
5ASL American Sign Language AppASL American Sign Language AppFree3.1β˜… (28)YesYesOct 2026
6anysign - Learn Sign Languageanysign - Learn Sign LanguageFree5.0β˜… (3)NoYesOct 2026
7ASL: American Sign LanguageASL: American Sign LanguageFree3.2β˜… (40)YesYesOct 2026
8ASL Bloom - Sign LanguageASL Bloom - Sign LanguageFree4.9β˜… (37K)YesYesOct 2026

Top Picks for American Sign Language Dictionary

Sign ASL#1

Sign ASL by Daniel Mitchell

ASL Sign Dictionary
Editor's Choice
πŸ“š Education
4.1😐(90 ratings)
FreeAds
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Access a comprehensive ASL sign dictionary with thousands of words and phrases. This app provides easy access to over 20,000 video demonstrations of American Sign Language signs directly on your mobile device.

What We Love

  • πŸ‘ Easy to navigate on mobile
  • πŸš€ Fast loading videos
  • πŸ‘ Small app size
  • πŸ‘ Excellent resource for ASL
  • πŸ‘ Convenient and simple interface
  • πŸ‘ Shows multiple sign variations
  • πŸ‘ Helpful for vocabulary building
  • πŸ‘ Quick and clear videos
  • πŸ‘ Good for casual learners
  • πŸ‘ Useful for educators
  • πŸ‘ Great for hearing people learning ASL
  • πŸ‘ Well-organized
  • πŸ‘ Appreciated for being free
  • πŸ‘ Shows male vs. female signing
  • πŸ‘ Shows regional accents
  • πŸ‘ Best ASL app used
  • πŸ‘ No nonsense fluff
  • πŸ‘ Keeps queue of recent words

Room to Improve

  • 😠 Inappropriate ad content
  • 😠 Must go to search bar for lessons
  • πŸ› Videos do not play
  • πŸ› Video player covers signs
  • πŸ› Videos play too fast
  • πŸ› Some signs are incorrect
  • πŸ› Disorganized dictionary
  • πŸ› Videos not high quality
  • πŸ› Missing some signs
  • πŸ› Uses videos without permission
  • πŸ› Slur appears in search results
  • πŸ› Videos are confusing
ASL Dictionary#2

ASL Dictionary by Software Studios LLC

ASL Sign Language
Strong Contender
πŸ“š Education
4.7😊(1.3K ratings)
$4.99
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This app provides a comprehensive video dictionary for American Sign Language, featuring over 5,200 signed words, phrases, and idioms. It allows users to translate English into ASL, covering the alphabet, numbers, and common expressions. The educational tool is designed for learning sign language through visual instruction.

What We Love

  • πŸ‘ Helpful for learning ASL
  • πŸš€ Easy to use and navigate
  • πŸ’‘ Useful for communicating with deaf/hard of hearing individuals
  • πŸ” Extensive word/sign database
  • ⏱️ Slow motion and loop features helpful for learning

Room to Improve

  • πŸ” Some signs are outdated or incorrect
  • πŸ” Limited selection of common phrases and basic conversational signs
  • πŸ” Video quality and clarity could be improved
  • πŸ” Lack of explanations/instructions on how to properly perform signs
  • πŸ› App crashes or stops working after updates
4.7😊(2K ratings)
$7.99
#81in Education
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Learn and master American Sign Language with an extensive interactive dictionary featuring over 5000 ASL videos. Practice your skills with quizzes, create custom study lists, and utilize features like slow-motion playback and fingerspelling exercises. This comprehensive tool requires no internet connection.

What We Love

  • πŸ‘ Excellent app for learning ASL
  • πŸš€ Convenient offline access to dictionary
  • πŸ’‘ Useful quizzing and practice features
  • πŸ‘ Clear and easy-to-follow signing videos
  • πŸ‘ Comprehensive dictionary with many signs
  • πŸ‘ Helpful for communicating with deaf/hard of hearing

Room to Improve

  • πŸ› Some signs inaccurate or missing
  • πŸ’‘ Need more options to customize quizzes
  • πŸ’‘ Lack of audio/voice integration
  • πŸ’‘ Mouthing of words can be distracting
  • πŸ› Occasional freezing/crashing issues

More American Sign Language Dictionary apps to explore

FAQ about American Sign Language Dictionary

What are the best american sign language dictionary apps for iPhone?
Sign ASL tops our american sign language dictionary apps ranking as of October 2026, with a 4.1-star average from 90 App Store ratings, and it's free to download.
Yes β€” 18 of the top american sign language dictionary apps we rank are free to download, including Sign ASL and Write Sign Language Dictionary - Offline AmericanSign Language.
Sign ASL shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 243+ american sign language dictionary apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.