Humata vs ChatPDF vs ChatDOC vs Logically (formerly Afforai)
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
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ChatPDF
Ask questions of any PDF and jump straight to the cited passage
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ChatDOC
Chat with your documents and click through to the passage behind each...
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| RECATOOLS Score | 6.5 / 10 | 6.8 / 10 | 7.1 / 10 | 6.5 / 10 |
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| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Freemium | Freemium | Freemium |
| Free tier | Free: 60 pages a month for 1 user; the homepage also caps the free plan at 10 answers | Free plan: 2 documents a day; no account needed to try, a free account saves history and enables multi-file chats | Free: 5 uploads a day (10 in total), 20 questions a day (100 in total), 300 pages per file, 60 MB, PDF only; no card needed | Free: 5 AI autosuggestions, 5 chat messages and 5 AI commands a day on standard models, 100MB storage, watermarked PDF export |
| Paid from | $9.99/month (Expert: up to 3 users, 500 pages, then 2 cents a page) | SGD 15.99/month (Plus, as shown to a Singapore visitor), or SGD 9.92/month billed yearly | $8.99 per 30 days (Pro), or $89.90 per 360 days | $12/user/month (Unlimited, billed yearly); $30/user/month billed monthly |
| Has API | ✗ | ✗ | ✓ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | — | — | — | — |
| Founded | 2023 | 2023 | 2023 | 2023 |
| Maker | — | — | — | — |
| Verdict | Humata does one job cleanly: answers across your uploaded files, each tied to a highlighted passage you can check. Expert at $9.99 a month for three users and 500 pages is cheap, and Team adds OCR for scanned files and f... |
ChatPDF does one job cleanly: upload a document, ask questions, and click a citation to land on the passage behind the answer. Multi-file folders, support for Word and slide files and a no-account start make it easy for... |
ChatDOC is one of the more careful chat-with-PDF tools: every answer carries footnotes that jump to the passage it came from, tables and formulas are recognised rather than mangled, and the same parsing engine is sold to... |
Logically, formerly Afforai, bundles jobs that usually need three tools: managing references, annotating PDFs and drafting with AI that attaches citations as it writes. The research assistant searching Semantic Scholar,... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.