
Linguasign ASL
ASL letter recognition
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Free
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About
Linguasign ASL helps you practice American Sign Language fingerspelling (A–Z) on iPhone.
• Use your camera or upload a photo — no account required
• Choose a letter model on the first screen: ASL Letters 3, ASL Letters, ASL Letters 2, ASL Letters 101, or ASL Letters 102
• See the detected letter and confidence
• Live detect mode for continuous practice
• Session text builds letters as you sign
• Optional Google or Apple sign-in if you already have a Linguasign website account
Frames and photos may be used to improve recognition models (see Privacy Policy).
Support: support@linguasignai.com
Privacy: https://linguasignai.com/privacy
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What's New in Linguasign ASL
1.0
October 27, 2026


