| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 3 | 0 |
| Spec score · Adaptive Learning Software | 8.3 (#7) | 6.7 (#29) |
| Adaptive learning | Short practice sessions produce learning evidence that AttoLearn uses to guide a learner’s next step. | It uses Bayesian Knowledge Tracing to estimate skill mastery and adapt practice to students’ progress. |
| Integrations | The privacy policy says services may include links or integrations with third-party platforms but does not name specific integrations. | OATutor integrates with Canvas through LTI for assignments or modules, and researchers can integrate it with survey platforms such as Qualtrics. |
| Purpose | AttoLearn describes itself as a connected platform for learning, assessment and school management for students, families, tutors and tuition centres. | OATutor is an open-source adaptive tutoring system for teachers, researchers, and students. |
| Support | The site lists an email contact for support and directs users with subscription access problems to contact the support team. | The site invites users to contact the team for support, information, or collaboration inquiries. |
