Paperpal vs Writium
Paperpal
paperpal.comWritium
writium.appSide by side
| Figure | Paperpal | Writium |
|---|---|---|
| Price from | $11.58/mo | $0.30/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Plans published | 15 | 5 |
| Spec score · AI Essay Writers | 8.9 (#7) | 8.2 (#16) |
| API and SDKs | The public product, support and integration pages reviewed describe user-facing add-ins and extensions but do not publish API or SDK documentation. | The public pages describe no Writium API, SDK, or developer documentation. |
| Headquarters | Singapore | Los Angeles, California, United States |
| Integrations | Official pages list a web app, Microsoft Word add-in, Google Docs support, Chrome extension and Overleaf support. | The privacy policy lists optional Google sign-in and names Vercel, Supabase, Exa, Anthropic, Stripe, and Resend as service providers. |
| Privacy | Paperpal says it never uses user documents, uploads, or personal information to train its AI models and allows users to delete documents. | Writium says it does not sell users' projects or use them to train AI models, and that projects are scoped to each account. |
| Security | Paperpal states that data is encrypted in transit with 256-bit encryption and at rest with KMS keys, and that it uses SSAE 18/SOC1-certified data centers. | 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. |
| Self-hosting | Paperpal is presented as a hosted web and add-in service; the public pages reviewed do not describe self-hosted deployment. | The public pages describe a hosted web service and provide no self-hosting option. |
| Support | Paperpal provides a Help Center and lists [email protected] as its contact email. | The maker says a small team reads messages directly and invites users to contact it through its contact form. |
| What it does | Paperpal is an AI academic writing and research assistant covering drafting, editing, research, citations, document checking and submission preparation. | Writium is a student research workspace combining essay drafting with live-web source discovery and organization. |
Plans
Paperpal
- Prime$144 a year
- Prime$25 a month
- Pro$348 a year
- Pro$59 a month
- FreeFree
- FreeFree
- Prime$12 a month
- Paperpal Prime$25 a month
- Prime Monthly$25 a month
- Pro$29 a month
Writium
- FreeFree
- Plus (yearly display)$3.59 a year
- Plus$3.99 a month
- Pro (yearly display)$8.99 a year
- Pro$9.99 a month
In their own words
Paperpal
Paperpal is an AI research and academic writing workspace for students and researchers, combining writing help, citation tools, and academic checks. Users can upload references and PDFs, ask questions, and receive cited findings from more than 300 million verified research articles. Writing tools cover academic suggestions, paraphrasing, tone changes, word reduction, grammar, proofreading, and citation formatting. Its checker suite looks for plagiarism and AI-writing patterns, checks references, and assesses journal submission readiness. Paperpal runs on the web and as a browser extension; it also offers a Microsoft Word add-in and browser-extension support for Google Docs and Overleaf. The free plan includes 200 language suggestions, five generative AI uses per day, 7,000 plagiarism-check words per month, and five daily AI-detection scans of up to 1,200 words each. Prime costs $144 a year billed annually, or $25 a month billed monthly. Pro costs $348 a year billed annually, or $59 a month billed monthly. Paperpal says it does not train its AI models on user documents, uploads, or personal information, and allows document deletion.