1. Home
  2. Topics
  3. Asl Dictionary Sign

Best Asl Dictionary Sign Apps

226+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated August 2026

Every iPhone needs a few good asl dictionary sign apps. We benchmark 226+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Asl Dictionary Sign Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ASL Dictionary Sign LanguageASL Dictionary Sign Language$7.99 was $9.994.7★ (2K)NoNoAug 2026
2Sign ASLSign ASLFree4.1★ (83)YesNoMay 2026
3ASL DictionaryASL Dictionary$4.994.7★ (1.3K)NoNoAug 2026
4Ziggy: Learn ASL Sign LanguageZiggy: Learn ASL Sign LanguageFree4.9★ (502)NoYesAug 2026
5Spread the Sign ASL DictionarySpread the Sign ASL DictionaryFree5.0★ (32)NoYesAug 2026
6Write Sign Language Dictionary - Offline AmericanSign LanguageWrite Sign Language Dictionary - Offline AmericanSign LanguageFree3.0★ (1)NoNoMay 2026
7ASL Sign Language | AslingoASL Sign Language | AslingoFree4.7★ (1.4K)YesYesAug 2026
8ASL: Sign Language Lessons.ASL: Sign Language Lessons.Free4.3★ (7)NoYesMay 2026

Top Picks for Asl Dictionary Sign

ASL Dictionary Sign Language#1

ASL Dictionary Sign Language by Software Studios LLC

ASL Sign Language
Editor's Choice
📚 Education
4.7😊(2K ratings)
$7.99
#48in Education
ASL Dictionary Sign Language screenshot 1
ASL Dictionary Sign Language screenshot 2
ASL Dictionary Sign Language screenshot 3
ASL Dictionary Sign Language screenshot 4
ASL Dictionary Sign Language screenshot 5
ASL Dictionary Sign Language screenshot 6

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

  • 👍 Excellent app for learning ASL
  • 🚀 Convenient offline access to dictionary
  • 💡 Useful quizzing and practice features
  • 👍 Clear and easy-to-follow signing videos

Room to Improve

  • 🐛 Some signs inaccurate or missing
  • 💡 Need more options to customize quizzes
  • 💡 Lack of audio/voice integration
Sign ASL#2

Sign ASL by Daniel Mitchell

ASL Sign Dictionary
Strong Contender
📚 Education
4.1(83 ratings)
FreeAds
Sign ASL screenshot 1
Sign ASL screenshot 2
Sign ASL screenshot 3
Sign ASL screenshot 4
Sign ASL screenshot 5
Sign ASL screenshot 6

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.

ASL Dictionary#3

ASL Dictionary by Software Studios LLC

American Sign Language
Worth Considering
📚 Education
4.7😊(1.3K ratings)
$4.99
#69in Education
ASL Dictionary screenshot 1
ASL Dictionary screenshot 2
ASL Dictionary screenshot 3
ASL Dictionary screenshot 4
ASL Dictionary screenshot 5
ASL Dictionary screenshot 6

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

  • 👍 Helpful for learning ASL
  • 🚀 Easy to use and navigate
  • 💡 Useful for communicating with deaf/hard of hearing individuals
  • 🔍 Extensive word/sign database

Room to Improve

  • 🔍 Some signs are outdated or incorrect
  • 🔍 Limited selection of common phrases and basic conversational signs
  • 🔍 Video quality and clarity could be improved

More Asl Dictionary Sign apps to explore

4
Ziggy: Learn ASL Sign Language
Ziggy: Learn ASL Sign Language
Ziggy: Learn ASL Sign Language
ASL Dictionary & Practice
Free

Master American Sign Language with interactive video lessons, gamified quizzes, and smart review exercises. Build vocabulary and practice real conversations to sign confidently in everyday situations. Suitable for all skill levels, from beginners to experienced learners.

Interactive video lessonsGamified quizzesSmart review exercises
📚 Education
(502)
subscription
5
Spread the Sign ASL Dictionary
Spread the Sign ASL Dictionary
Spread the Sign ASL Dictionary
Compare 23 Sign Languages
Free

Access the world's largest sign language dictionary, featuring over 300,000 signs. New content is added annually, expanding the library of languages, words, and signs.

Largest sign language dictionaryOver 300,000 signsNew content added yearly
🔍 Reference
(32)
free with in-app purchases
6
Write Sign Language Dictionary - Offline AmericanSign Language
Write Sign Language Dictionary - Offline AmericanSign Language
Write Sign Language Dictionary - Offline AmericanSign Language
by Le Thi Quynh Ny
Free

Learn American Sign Language with an extensive offline dictionary. Explore over 8,000 signs, study topics with flashcards, and create personalized learning lists. Includes a manual for sign instructions.

Offline ASL dictionary8,000+ signsTopic-based flashcards
📚 Education
(1)
free
7
ASL Sign Language | Aslingo
ASL Sign Language | Aslingo
ASL Sign Language | Aslingo
Learn Video Lesson, Dictionary
Free

Learn American Sign Language with interactive lessons and a comprehensive dictionary. This app offers personalized learning plans, vocabulary trainers, and practice quizzes to enhance fluency. Accessible anytime, anywhere, it's designed for all levels of learners.

Personalized learning plansInteractive bite-sized lessonsComprehensive ASL curriculum
📚 Education
(1.4K)
free with in-app purchases
8
ASL: Sign Language Lessons.
ASL: Sign Language Lessons.
ASL: Sign Language Lessons.
Hand Talk Learning, Dictionary
Free

Learn American Sign Language with interactive lessons, a comprehensive dictionary, and a text-to-sign translator. Develop fingerspelling, vocabulary, and grammar skills through engaging exercises and visual aids.

Interactive tutorialsExtensive dictionaryText-to-sign translator
🔧 Utilities
(7)
subscription
9
ASL video dictionary
ASL video dictionary
ASL video dictionary
by Le Thi Quynh Ny
Free

Learn sign language with a comprehensive video dictionary. Access over 3,000 words, practice with flashcards, and save favorites to a personal learning list. Download content for offline access.

Over 3,000 video wordsFlashcard learningFavorite word list
📚 Education
(7)
free
10
ASL Interactive Dictionary
ASL Interactive Dictionary
ASL Interactive Dictionary
Amer Sign Lang Dictionary
Free

Learn American Sign Language with a comprehensive video dictionary. Access thousands of signs, letters, and numbers organized alphabetically. Includes free learning activities and tutorials for all ages.

Thousands of ASL signsAlphabetical organizationHigh-quality video format
📚 Education
(6)
free
11
TWA Dictionary
TWA Dictionary
TWA Dictionary
Your Go-To ASL Dictionary!
Free

Master American Sign Language with a comprehensive dictionary featuring over 25,000 signs, variations, and cultural insights. Created by a Deaf team, it offers thematic organization, user-driven content requests, and regular updates for an enhanced learning experience.

Over 25,000 ASL signsSign variations and cultural insightsThematic organization
📚 Education
(26)
free with in-app purchases
12
ASL Otty: Signs Language Learn
ASL Otty: Signs Language Learn
ASL Otty: Signs Language Learn
Sign Learning, Talk Dictionary
Free

Learn American Sign Language (ASL) through engaging, game-inspired lessons and interactive exercises. An AI trainer provides real-time feedback on your gestures via camera, while a community feature allows practice and progress tracking. Start communicating barrier-free today.

Game-inspired learning approachShort, effective lessonsInteractive exercises with native speaker videos
📚 Education
(1.4K)
free with in-app purchases
13
ASL American Sign Language
ASL American Sign Language
ASL American Sign Language
by Saeed Bashir
Free

Learn American Sign Language (ASL) with this app. It offers a comprehensive learning experience covering history, alphabets, numbers, common phrases, and basic signs with videos. Engage with interactive games to reinforce your learning.

ASL HistoryLearn Alphabets A-ZLearn Numbers 1-100
📚 Education
(3K)
free with in-app purchases
14
ASL: American Sign Language
ASL: American Sign Language
ASL: American Sign Language
American Sign Language Learn
Free

Learn American and British Sign Language with this comprehensive app. It features a vast collection of signs with clear images, organized into logical sections from basic alphabets to complex sentence formations. Discover the history and facts about sign language, with an option to upgrade to an ad-free experience.

Extensive sign library with clear imagesOrganized lessons: alphabets, numbers, greetings, and moreIncludes British Sign Language (BSL) content
📚 Education
(38)
free with in-app purchases
15
Anna : Sign Language - ASL
Anna : Sign Language - ASL
Anna : Sign Language - ASL
Learn Sign Language in 30 days
Free

Master American Sign Language with structured lessons and a comprehensive dictionary. Track your progress with skill assessments and learn at your own pace. Designed for beginners and those looking to improve their ASL skills.

Structured ASL lessonsComprehensive sign language dictionarySkill assessments and progress tracking
📚 Education
(1.2K)
free with in-app purchases
16
ASL - LSF
ASL - LSF
ASL - LSF
by University of Rochester
Free

This educational app provides a comprehensive dictionary for American Sign Language (ASL) and Langue des Signes de France (LSF). Users can search for signs alphabetically or by term, view videos of both ASL and LSF, and access definitions with example sentences. Offline mode allows for downloaded content.

ASL and LSF sign videosAlphabetical and term searchExample sentences
📚 Education
(6)
free
17
ASL：Sign Language Lessons App
ASL：Sign Language Lessons App
ASL：Sign Language Lessons App
Hand Talk Learning, Dictionary
Free

Learn American Sign Language with interactive lessons, a comprehensive dictionary, and a translator. Master fingerspelling, grammar, and vocabulary through engaging exercises and real-life dialogues. Bridge communication gaps and foster inclusivity.

Interactive lessonsFingerspelling and grammarExtensive dictionary
📚 Education
(26)
subscription
18
ASL American Sign Language App
ASL American Sign Language App
ASL American Sign Language App
Learning Dictionary Deaf Signs
Free

Learn American Sign Language with expert-led video lessons and interactive quizzes. Master conversational phrases, the alphabet, and signs for various topics like family, feelings, and daily life. This app provides a comprehensive and enjoyable learning experience for all ages.

Expert-led video lessonsFingerspelling alphabetConversational ASL phrases
📚 Education
(31)
free with in-app purchases
19
ASL Lingo: learn Sign Language
ASL Lingo: learn Sign Language
ASL Lingo: learn Sign Language
easy & fun
Free

Master American Sign Language with interactive lessons, a comprehensive dictionary, and practice tools. Learn daily signs, fingerspelling, and phrases at your own pace, supporting all skill levels. Ideal for communication, education, or connecting with the deaf community.

Interactive ASL lessonsASL dictionaryFingerspelling practice
📚 Education
(1.7K)
free with in-app purchases
20
ASL Kids - Sign Language
ASL Kids - Sign Language
ASL Kids - Sign Language
Learn beginner and baby signs
Free

This app helps families learn American Sign Language (ASL) through videos of children signing. It includes beginner and baby signs, quiz games, and fingerspelling, with an option to purchase more signs.

Child role models for learningIntuitive, image-based interfaceBeginner and baby ASL signs
📚 Education
(184)
free with in-app purchases

Looking for something similar to asl dictionary sign?

Explore related topics

asl dictionary

FAQ about Asl Dictionary Sign

What are the best asl dictionary sign apps for iPhone?
ASL Dictionary Sign Language tops our asl dictionary sign apps ranking as of August 2026, with a 4.7-star average from 2K App Store ratings, and it's priced at $7.99.
Yes — 18 of the top asl dictionary sign apps we rank are free to download, including Sign ASL and Ziggy: Learn ASL Sign Language.
ASL Dictionary Sign Language has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 226+ asl dictionary sign apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app is an interactive American Sign Language (ASL) dictionary designed for iPhone and iPad. It provides over 5000 ASL video translations for words, including multiple ways to sign the same word and words with multiple meanings. It also includes features like quizzes, favorites, and fingerspelling exercises.
You can learn ASL by browsing the extensive dictionary of video translations, practicing with various quiz modes, and utilizing the fingerspelling exercises. The app also allows you to create a favorites list of signs you want to focus on and quiz yourself on them.