| Price from | $5/mo | $2.99/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | Yes | Yes |
| Plans published | 6 | 2 |
| Spec score · AI Study Tools | 8.3 (#35) | 9.0 (#6) |
| AI flashcards | Yes | Yes |
| Free plan | Yes | Yes |
| Input formats | The generation flow supports text, PDFs, images, compatible video files, and YouTube URLs when the service can access the video. | Quizlet's AI test generator accepts .docx, .pdf, and .pptx files, Google Drive materials, or pasted text. |
| Mobile app coverage | android | ios_android |
| Privacy | Koodi Co SAS says it does not sell personal data and may share it with service providers, including infrastructure, analytics, AI, and payment providers. | Quizlet says it is GDPR compliant and provides account settings for users to access, update, or delete personal information. |
| AI quizzes | Yes | Yes |
| Security | The privacy policy says Lumia AI applies reasonable technical and organizational safeguards but cannot guarantee perfect security. | Quizlet says its website and mobile apps use HTTPS encryption and that it maintains a security program and bug bounty program. |
| Source uploads | Yes | Yes |
| Study tools | The product offers flashcards, quizzes, and spaced repetition that schedules reviews based on the user's rating of each card. | Quizlet provides flashcards and study activities including Learn and Test. |
