SignLearn is a mobile dictionary designed for learning Indian Sign Language (ISL). This free app currently supports Hindi, English, and Malayalam languages. The app provides more than 4000+ signs, which are released by Indian Sign Language Research and Training Centre (ISLRTC), making it a comprehensive learning tool for anyone who wants to learn ISL.

With SignLearn, users can easily search for signs using keywords and learn the correct way to make them through videos. The app has a simple and user-friendly interface, making it easy for beginners to navigate. Plus, the app does not require an internet connection, which means you can use it anywhere, anytime.

Overall, SignLearn is an excellent app for anyone who wants to learn Indian Sign Language. With its comprehensive database and user-friendly interface, it is a valuable tool for both beginners and advanced learners. The fact that it is free and does not require an internet connection makes it an even more attractive option for those who want to learn on the go.