| Price from | $4.08/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Plans published | 5 | 5 |
| Spec score · AI Flashcard Generators | 8.6 (#9) | 8.3 (#15) |
| Spec score · Flashcard apps | 8.1 (#20) | 8.1 (#19) |
| Adaptive review | Yes | Yes |
| Card formats | basic | basic |
| Export options | Yes | Yes |
| Free plan | Yes | Yes |
| Purpose | Memreader is a reading app that turns highlights from uploaded books and papers into flashcards for spaced-repetition review. | Recall is a web application for memorizing information using spaced repetition and active recall. |
| Review scheduling | Flashcards use an FSRS spaced-repetition schedule that adapts to recall performance. | Recall uses a spaced-repetition algorithm to predict when each card should be reviewed. |
| Source formats | mixed | text |
| Study modes | flashcards | flashcards |
| Support | The Pro plan includes priority support, and Memreader lists [email protected] for help with cancellation and refunds. | The site lists [email protected] for support or policy questions. |