| Price from | $2.99/mo | $9/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 2 | 3 |
| Spec score · AI Study Tools | 9.0 (#6) | 7.7 (#70) |
| Privacy | Quizlet says it is GDPR compliant and provides account settings for users to access, update, or delete personal information. | The privacy policy says StudentAI does not sell personal data to advertisers or third parties. |
| Security | Quizlet says its website and mobile apps use HTTPS encryption and that it maintains a security program and bug bounty program. | The privacy policy describes TLS encryption in transit, encryption at rest for sensitive database data, restricted and logged internal access, and regular security audits and dependency reviews. |
| Study tools | Quizlet provides flashcards and study activities including Learn and Test. | Its tools include practice tests, quizzes, research paper feedback, PDF summaries, YouTube notes, and interview practice. |