ASLdeafined vs SpreadTheSign
| ASLdeafined | SpreadTheSign | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, iOS, Android | Web, iOS, Android |
| Free plan | No | Yes |
| Signed languages | American Sign Language (ASL) | ASL, BSL, and 21 more sign languages |
| Lesson format | video | video |
| Dictionary lookup | Yes | Yes |
| Progress tracking | Yes | — |
| Supported platforms | web, iOS, Android | web, ios, android |
Both are listed in Best Sign Language Apps. On Samsung Mobile US Press, ASLdeafined scores higher on our published basis.