| Price from | $3/mo | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Plans published | 7 | 7 |
| Spec score · Language learning apps | 8.3 (#93) | 9.3 (#3) |
| Founded | 2014 | 1991 |
| Free plan | Yes | Yes |
| Headquarters | San Francisco, California, United States | Poznań, Poland |
| Languages offered | 1 | 25 |
| Personalized review | Yes | Yes |
| Placement test | Yes | Yes |
| Spaced repetition | Flashcards use spaced repetition, track progress automatically, and can be generated or imported as lists and exported to another program. | The scheduling algorithm selects individualized review intervals from a learner’s recall results and history. |
| Support | The FAQ directs users who need help to contact Kanshudo directly. | Technical support is offered through a contact form and support email, with in-course problem reporting available. |