Gizmo vs Retain
| Gizmo | Retain | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Platforms | Web, iOS, Android | Android, iOS, Web |
| Free plan | Yes | Yes |
| Source formats | YouTube, PDF, Notes, and PowerPoint | mixed |
| AI summaries | Yes | |
| AI flashcards | Yes | |
| AI quizzes | Yes | |
| Source uploads | Yes | |
| Mobile app coverage | ios_android | |
| Adaptive review | Yes | |
| Card formats | mixed | |
| Study modes | mixed | |
| Mobile apps | Yes |
Listed together in Best Flashcard AppsBest AI Flashcard Generators