| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | — | Yes |
| Plans published | 1 | 7 |
| Spec score · Language learning apps | 8.4 (#72) | 9.3 (#3) |
| Free plan | Yes | Yes |
| Headquarters | Chengdu, Sichuan, China | Poznań, Poland |
| Languages offered | 7 | 25 |
| Mobile apps | Yes | Yes |
| Offline lessons | Yes | Yes |
| Personalized review | The app tracks learning progress and forgetting curves, generates weekly or monthly reports, and assigns review tasks for weak words. | Yes |
| Support | The company lists [email protected] and a weekday phone number for contact, and says it will reply to privacy requests within 15 working days. | Technical support is offered through a contact form and support email, with in-course problem reporting available. |
| What it does | Baicizhan is a language-learning app focused on vocabulary memory and language learning for different study and exam needs. | SuperMemo provides language-learning courses and spaced-repetition study software for web and mobile users. |
