| Price from | $5/mo | $6.67/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 4 | 2 |
| Spec score · Language Immersion Apps | 9.1 (#1) | 7.8 (#16) |
| Support | The contact page offers email replies, Discord live chat, and GitHub issues for bugs. | Pro includes priority email support with a stated reply time within 24 hours. |
| Vocabulary | Saved words and phrases are tracked with known and learning states in a vocabulary database. | It highlights 1,076 A1 core English words in lesson transcripts. |