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Best Asl Dictionary Sign Apps

181+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated May 2026

Every iPhone needs a few good asl dictionary sign apps. We benchmark 181+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

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
#75in 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

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
ASL Bloom - Sign Language#2

ASL Bloom - Sign Language by SignLab AS

Learn, Grammar & Dictionary
Strong Contender
📚 Education
4.9😊(31K ratings)
FreeAdsIn-App Purchases
#84in Education
ASL Bloom - Sign Language screenshot 1
ASL Bloom - Sign Language screenshot 2
ASL Bloom - Sign Language screenshot 3
ASL Bloom - Sign Language screenshot 4
ASL Bloom - Sign Language screenshot 5
ASL Bloom - Sign Language screenshot 6

Master American Sign Language with a comprehensive curriculum featuring over 120 video lessons and 1300 signs. Engage with interactive tools, grammar insights, and AI-driven learning to build confidence and fluency.

What We Love

  • 👍 Easy to learn and use
  • 🚀 Efficient learning process
  • 💡 Diverse instructors and signing styles
  • 👍 Helpful video examples and breakdowns

Room to Improve

  • 💰 Subscription required for full access
  • 🐛 Inconsistent sign representations
  • 🐛 Glitches and bugs in the app
ASL Dictionary#3

ASL Dictionary by Software Studios LLC

American Sign Language
Worth Considering
📚 Education
4.7😊(1.3K ratings)
$4.99
#93in 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
Lingvano - Learn Sign Language
Lingvano - Learn Sign Language
Lingvano - Learn Sign Language
Beginner-friendly ASL lessons
Free

Learn American Sign Language with bite-sized video lessons from Deaf teachers. Practice vocabulary, grammar, and conversations with interactive tools and earn rewards. Become conversational in just 10 minutes a day.

Bite-sized video lessons600+ lessons on vocabulary and grammarInteractive practice tools
📚 Education
(111K)
freemium
5
Sign ASL
Sign ASL
Sign ASL
ASL Sign Dictionary
Free

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.

Searchable ASL dictionaryThousands of words and phrasesOver 20,000 video demonstrations
📚 Education
(83)
ad-supported
6
ASL Sign Language Pocket Sign
ASL Sign Language Pocket Sign
ASL Sign Language Pocket Sign
Video ASL lessons learn fast!
Free

Master American Sign Language with interactive video lessons. Learn the alphabet, common phrases, and baby sign language through engaging questions and a comprehensive dictionary. Connect with your community and expand your communication skills.

Hundreds of interactive video lessonsLearn to sign and translateSign language alphabet
📚 Education
(33K)
free with in-app purchases
7
Baby Sign Dictionary - Lite
Baby Sign Dictionary - Lite
Baby Sign Dictionary - Lite
American Sign Language
Free

Teach your baby to communicate before they can speak using American Sign Language. This app offers video demonstrations, categorized signs, and interactive quizzes to make learning fun and easy for both parent and child.

40 real-life signing video demonstrationsSigns organized by categoriesInteractive video quiz
📚 Education
(228)
freemium
8
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
9
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
(974)
free with in-app purchases
10
Baby Sign Dictionary ASL
Baby Sign Dictionary ASL
Baby Sign Dictionary ASL
American Sign Language
$2.99

Teach your baby American Sign Language with this comprehensive dictionary. It features over 340 signs with video demonstrations, categorized for easy learning and practical use in daily routines. Interactive quizzes help reinforce knowledge.

340+ ASL signsVideo demonstrationsCategorized signs
📚 Education
(225)
free with in-app purchases
11
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
12
Spread the Sign ASL Dictionary
Spread the Sign ASL Dictionary
Spread the Sign ASL Dictionary
The Sign Language Dictionary
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
(56)
free with in-app purchases
13
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
14
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
(1.1K)
free with in-app purchases
15
SignSchool
SignSchool
SignSchool
Learn American Sign Language
Free

Learn American Sign Language at your own pace with this app. It offers a dictionary of thousands of signs, categorized lessons, and a slow-motion feature for detailed viewing. Practice your skills with a daily sign and a fingerspelling game.

ASL dictionary with thousands of signsCategorized sign lessonsSlow-motion sign playback
📚 Education
(104)
free
16
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
17
The ASL App
The ASL App
The ASL App
Learn ASL Anywhere!
Free

Learn American Sign Language with this intuitive app designed by Deaf individuals. Master conversational ASL through organized phrases and signs, with features like adjustable playback speed, search, and a favorites folder for practice.

Learn conversational ASLAdjustable video playback speedSearchable sign index
📚 Education
(838)
free with in-app purchases
18
Intersign ASL - Sign Language
Intersign ASL - Sign Language
Intersign ASL - Sign Language
Learn ASL while you have fun!
Free

Learn American Sign Language (ASL) through expert-led lessons and interactive games. This app offers over 370 lessons across 17 themed sections, adapting to your learning pace. It includes a built-in dictionary and rewards to keep you motivated.

Expert-led ASL instruction370+ lessons in 17 themesStep-by-step learning
📚 Education
(4.6K)
free with in-app purchases
19
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
20
Hand Talk: Learn Sign Language
Hand Talk: Learn Sign Language
Hand Talk: Learn Sign Language
Translate and learn ASL
Free
$9.99 | 100% OFF

Learn and practice American, Brazilian, and British Sign Language with virtual translators. Translate text or voice into signs, access a dictionary of thousands of signs, and practice through interactive characters. Offers offline access and customizable features.

Text and voice translation to sign languageLearn ASL, Libras, and BSLVirtual translators Hugo and Maya
📚 Education
(2.1K)
free with in-app purchases

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