DEF-ISL
Eightfolds Software Technologies Pvt Ltd Education Contains ads
Indian Sign Language
- Rating
- 4.6
- 3.7K ratings
- Downloads
- 402K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Feb 9
- 2026 · v3.0.9
Screenshots
About DEF-ISL
The DEF-ISL app makes learning of sign language easy, accessible and interesting. Packed with 50000+ easy-to-understand signs and phrases, in-built videos, illustrations, this easy to navigate app can be used both by adults and children who are deaf or hearing impaired. The customized mobile app is available for download on iOS and Android platforms.
DEF-ISL offers the opportunity for all to learn sign language and thereby reach out to the deaf more easily.
DEF is an organization made of the deaf, for the deaf, by the deaf, focused on addressing the issues of communication for the deaf and developing methods and resources to improve their connect with the society at large. They aim to make a lasting impact on the future of thousands of deaf or hard of hearing children and adults by providing them access to early identification, hearing technology and expertise to reach their full potential.
2019-2020 app initiative supported by L&T Construction.
DEF-ISL offers the opportunity for all to learn sign language and thereby reach out to the deaf more easily.
DEF is an organization made of the deaf, for the deaf, by the deaf, focused on addressing the issues of communication for the deaf and developing methods and resources to improve their connect with the society at large. They aim to make a lasting impact on the future of thousands of deaf or hard of hearing children and adults by providing them access to early identification, hearing technology and expertise to reach their full potential.
2019-2020 app initiative supported by L&T Construction.
What’s new
Version 3.0.9 · Updated February 9, 2026
Performance Improvements
User reviews
Excellent
It's good and profitable sign
I am happy very this app new def
Idea very sign word learn more English important
Understanding good knowledge def isl apps yes
Very good 👌👍
Alternatives to DEF-ISL
Looking for apps like DEF-ISL? Here are 4 similar Android apps on Google Play. The highest rated is Sign Language ASL Pocket Sign (4.9/5), and all 4 are free to download.
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Sign Language ASL Pocket Sign 4.9
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Speaking & Pronunciation Coach 4.3
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BoldVoice - Accent Trainer 4.5
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Lingvano: Sign Language - ASL 4.7
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| DEF-ISL | 4.6 / 5 | Free | 100,000+ | Feb 9, 2026 | |
| Sign Language ASL Pocket Sign | 4.9 / 5 | Free | 1,000,000+ | Jun 11, 2026 | Compare |
| Speaking & Pronunciation Coach | 4.3 / 5 | Free | 10,000+ | Aug 18, 2023 | Compare |
| BoldVoice - Accent Trainer | 4.5 / 5 | Free | 1,000,000+ | Oct 23, 2026 | Compare |
| Lingvano: Sign Language - ASL | 4.7 / 5 | Free | 1,000,000+ | Oct 9, 2026 | Compare |
Compare DEF-ISL with the top alternatives: ratings, updates, ASO score and keyword gaps →