Celpip AI vs TST Prep
| Celpip AI | TST Prep | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $16.99/mo | — |
| Open source | No | No |
| Platforms | Android, iOS, Web | Web |
| Free plan | Yes | Yes |
| Supported exams | CELPIP-General, CELPIP-General LS | TOEFL iBT; Duolingo English Test |
| Mock tests | Yes | Yes |
| Speaking practice | Yes | Yes |
| Writing feedback | Yes | Yes |
| Score tracking | Yes | — |
| Supported platforms | web, iOS, Android | web |
| Study plan | — | Yes |
Both are listed in Best Language Test Prep Apps. On Samsung Mobile US Press, Celpip AI scores higher on our published basis.