| Price from | $9.99/mo | $0.30/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| iOS | Yes | — |
| API | Yes | — |
| Plans published | 7 | 5 |
| Spec score · AI Essay Writers | 8.6 (#12) | 8.2 (#16) |
| Licence | The reviewed product pages do not state an open-source licence or offer self-hosting documentation. | The public pages do not identify Writium as open source or publish a software licence. |
| Privacy | The privacy policy says Truessay does not sell, rent, or share personal information with third parties for marketing purposes. | Writium says it does not sell users' projects or use them to train AI models, and that projects are scoped to each account. |
| Security | The privacy policy says data in transit uses TLS 1.3 encryption and data at rest is encrypted, with access controls limiting data access. | The privacy policy says passwords are salted and hashed, traffic uses HTTPS, login cookies are HTTP-only, and database access is scoped to each account. |
| Support | The home page says the support team responds to inquiries within 24 hours. | The maker says a small team reads messages directly and invites users to contact it through its contact form. |
| What it does | Truessay is an AI academic research assistant that searches scholarly databases before generating literature-backed essays and literature reviews with DOI-linked citations. | Writium is a student research workspace combining essay drafting with live-web source discovery and organization. |
