Your interactive signing buddy for fingerspelling

One-of-a-kind app which tracks and analyzes ASL fingerspelling in real-time and returns immediate feedback to users.

Download on the App Store buttonComing Soon to Google Play badge
Two phone screens: the one in the front shows a smiling girl; the one in the back shows an ASL instructor showing the letter "A"

Advanced hand-tracking and sign language technology directly from your mobile device

Learn both letters and digits, then practice fingerspelling expressive and receptive skills. Take quizzes after each unit to assess your  progress. Your ASL teacher is a native ASL user who helps to prepare for real-life conversations with other signers.
30 sec
A video preview of a girl signing to her phone

Ace ASL focuses on developing both expressive and receptive fingerspelling skills

The app is created in close cooperation of top-notch linguists, native ASL users and tech experts so that the language learning process is engaging and tailored to everybody’s capacity: choose a comfortable level, take as much time as you need, and enjoy learning the fingerspelling alphabet.
A mobile phone screen with an example of a unit: an ASL instructor shows the letter "A"

Lessons

Get lessons for interactive learning of letters and digits in ASL. Watch a native signer and repeat, use flashcards and signing exercises to memorize, and take quizzes to assess your progress. The app will analyze your signing in real-time, offering immediate feedback.

A mobile phone screen with an example of a unit: an ASL instructor fingerspells "URB" and the two following characters are missing

Free Practice

In the Free Practice section, we collected the best exercises for expressive and receptive skills. Fingerspell yourself or improve your recognition skills. Watch a native signer, type the words, or fingerspell it back directly.

A mobile phone screen with an example of a unit: a student fingerspelled the letters "A" and "P", and the three following characters are missing

Challenge

Challenge yourself to assess your fingerspelling progress. The section offers five levels of complexity, with 10 units in each level: Beginner, Easy, Normal, Hard, Expert.

Unlock levels progressively.

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Ace ASL

Your interactive signing buddy

Download on the App Store buttonComing Soon to Google Play badge
A girl sitting at a desk, practicing fingerspelling with a tablet