ASL-LEX vs DEF-ISL
| ASL-LEX | DEF-ISL | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Android, iOS |
| Free plan | Yes | Yes |
| Signed languages | American Sign Language (ASL) | Indian Sign Language (ISL) |
| Dictionary lookup | Yes | — |
| Supported platforms | web | iOS, Android |
| Lesson format | — | mixed |
Both are listed in Best Sign Language Apps. On Freedom251, ASL-LEX scores higher on our published basis.