---
title: "DEF ISL - Reviews, Revenue and Downloads in India | Apple App Store"
description: "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"
---

# DEF ISL — India

![DEF ISL App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/48/54/cb/4854cb95-43c4-92c1-9cec-7847aedee56c/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [SRIJAY SOFTWARE SOLUTIONS PRIVATE](https://apptail.io/developer/srijay-software-solutions-private-hmdd) (India)
**Category:** Education
**Rating:** 4.3/5 (22 ratings)
**Price:** Free
**Bundle ID:** in.org.defisl
**Store:** Apple App Store
**Country:** India
**Version:** 1.1.2 (released 2026-02-09)
**Original Release:** 2023-09-27
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/in/app/app/id6447841373)
**AppTail Page:** [https://apptail.io/app/def-isl-aPTn/india](https://apptail.io/app/def-isl-aPTn/india)

## DEF ISL Description
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.

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 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/64/c4/e3/64c4e3d7-04c9-b2ca-2288-afd48266a0eb/6268f827-036f-4914-8a62-83dfe6b1f95d_Simulator_Screen_Shot_-_iPhone_14_Pro_Max_-_2023-06-30_at_12.51.42.png/1242x2208.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/a5/fc/fb/a5fcfbc6-29d7-2a9b-c60b-66dfcf8fd9dc/6d128624-a920-4201-87de-d4704d03c82d_Simulator_Screen_Shot_-_iPhone_14_Pro_Max_-_2023-09-15_at_00.07.09.png/1242x2208.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/5a/89/b7/5a89b7fe-03a9-ffff-d20b-b127efb2cd0e/34abb164-84fb-43d6-a88b-95c58e662ee3_Simulator_Screen_Shot_-_iPhone_14_Pro_Max_-_2023-09-21_at_12.25.08.png/1242x2208.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/c3/d5/70/c3d570a7-a3ca-ee32-637d-e4e348b36908/4dede694-138d-4f3f-8ad2-20ce69e97ee6_Simulator_Screen_Shot_-_iPhone_14_Pro_Max_-_2023-09-15_at_00.08.28.png/1242x2208.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/d4/29/bb/d429bb0e-a6b3-f816-ad5b-83077bd4af17/f9daceb5-6722-4b06-a8c4-f9a16bffcfa0_Simulator_Screen_Shot_-_iPhone_14_Pro_Max_-_2023-09-15_at_00.09.00.png/1242x2208.png)

## DEF ISL Rating Breakdown in India
- 5 stars: 18 (82%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 4 (18%)

## DEF ISL Reviews in India

### *---- "Unable Email code def isl app"
The def app is great, but it is not possible to open the app with the email code. The team must check the app @deaf enabled foundations
-- Kallursounanya, 2025-01-30

### *---- "Not able to revive the OTP"
I am not able to get the opt in my mail.
-- Ela-kiya, 2024-04-25

### ***** "Peetla Naveen"
This DEF-ISL App Lovely,  First Indian app. Very helpfully in Read, Newspapers, book etc.., This DEF-ISL barrier free experience doubt asking dictionary. Now I’m understanding finding solution easy Read, Newspapers, book etc..,
-- Peetla Naveen, 2023-11-18

### ***** "@DEF-isl"
I'm sure you guys studying and you may think its boring!
Def-isl app has the best sign language experience! Some topics in general sign language, even if you have complicated doubts def-is app always has a fun way of learning and gaining you interest! It gives you fun sign language etc.
The videos and the sign language are the best! def-is app helped me so much! Thank you!
Although, can you guys please add some more general sign language
-- Muppuri Nikhil Kumar, 2023-11-18

### ***** "@DEFiSL"
The first app for learning the best in providing education, excited to use it in my studies.
-- Syed Abdul Muneeb, 2023-11-18

### ***** "@DEF-ISL"
DEF ISL app is great work and first deaf app in India. It is useful and much beneficial for deaf and hearing community.
-- Sahil Rajpurohit, 2023-11-18

[View all DEF ISL reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)





## DEF ISL Available In
- [India](https://apptail.io/app/def-isl-aPTn/india)
- [United States](https://apptail.io/app/def-isl-aPTn/united-states)
- [South Africa](https://apptail.io/app/def-isl-aPTn/south-africa)
- [Australia](https://apptail.io/app/def-isl-aPTn/australia)
- [Azerbaijan](https://apptail.io/app/def-isl-aPTn/azerbaijan)
- [Belgium](https://apptail.io/app/def-isl-aPTn/belgium)
- [Brazil](https://apptail.io/app/def-isl-aPTn/brazil)
- [Belarus](https://apptail.io/app/def-isl-aPTn/belarus)
- [Canada](https://apptail.io/app/def-isl-aPTn/canada)
- [Switzerland](https://apptail.io/app/def-isl-aPTn/switzerland)
- [Chile](https://apptail.io/app/def-isl-aPTn/chile)
- [China](https://apptail.io/app/def-isl-aPTn/china)
- [Colombia](https://apptail.io/app/def-isl-aPTn/colombia)
- [Czechia](https://apptail.io/app/def-isl-aPTn/czechia)
- [Germany](https://apptail.io/app/def-isl-aPTn/germany)
- [Denmark](https://apptail.io/app/def-isl-aPTn/denmark)
- [Algeria](https://apptail.io/app/def-isl-aPTn/algeria)
- [Ecuador](https://apptail.io/app/def-isl-aPTn/ecuador)
- [Egypt](https://apptail.io/app/def-isl-aPTn/egypt)
- [Spain](https://apptail.io/app/def-isl-aPTn/spain)
- [France](https://apptail.io/app/def-isl-aPTn/france)
- [United Kingdom](https://apptail.io/app/def-isl-aPTn/united-kingdom)
- [Greece](https://apptail.io/app/def-isl-aPTn/greece)
- [Hong Kong SAR China](https://apptail.io/app/def-isl-aPTn/hong-kong)
- [Indonesia](https://apptail.io/app/def-isl-aPTn/indonesia)
- [Ireland](https://apptail.io/app/def-isl-aPTn/ireland)
- [Italy](https://apptail.io/app/def-isl-aPTn/italy)
- [Japan](https://apptail.io/app/def-isl-aPTn/japan)
- [Kuwait](https://apptail.io/app/def-isl-aPTn/kuwait)
- [Kazakhstan](https://apptail.io/app/def-isl-aPTn/kazakhstan)
- [Mexico](https://apptail.io/app/def-isl-aPTn/mexico)
- [Malaysia](https://apptail.io/app/def-isl-aPTn/malaysia)
- [Nigeria](https://apptail.io/app/def-isl-aPTn/nigeria)
- [Norway](https://apptail.io/app/def-isl-aPTn/norway)
- [New Zealand](https://apptail.io/app/def-isl-aPTn/new-zealand)
- [Peru](https://apptail.io/app/def-isl-aPTn/peru)
- [Philippines](https://apptail.io/app/def-isl-aPTn/philippines)
- [Pakistan](https://apptail.io/app/def-isl-aPTn/pakistan)
- [Poland](https://apptail.io/app/def-isl-aPTn/poland)
- [Portugal](https://apptail.io/app/def-isl-aPTn/portugal)
- [Romania](https://apptail.io/app/def-isl-aPTn/romania)
- [Russia](https://apptail.io/app/def-isl-aPTn/russia)
- [Sweden](https://apptail.io/app/def-isl-aPTn/sweden)
- [Thailand](https://apptail.io/app/def-isl-aPTn/thailand)
- [United Arab Emirates](https://apptail.io/app/def-isl-aPTn/united-arab-emirates)
- [Türkiye](https://apptail.io/app/def-isl-aPTn/turkey)
- [Taiwan](https://apptail.io/app/def-isl-aPTn/taiwan)
- [Ukraine](https://apptail.io/app/def-isl-aPTn/ukraine)
- [Vietnam](https://apptail.io/app/def-isl-aPTn/vietnam)
- [Tunisia](https://apptail.io/app/def-isl-aPTn/tunisia)
- [Argentina](https://apptail.io/app/def-isl-aPTn/argentina)
- [Austria](https://apptail.io/app/def-isl-aPTn/austria)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*