Compare Kagi vs ProWritingAid vs Paperless-ngx
| Feature | Kagi | ProWritingAid | Paperless-ngx |
|---|---|---|---|
| Description | Kagi is a paid, ad-free search engine that includes Kagi Assistant for AI answers and research help. It is funded by its users rather than advertising, so you get focused results and AI help without tracking. | ProWritingAid helps writers improve grammar, style, and story structure with reports and AI rewrites. A free tier lets you start, and Premium plans add deeper critique tools for people finishing books and long documents. | A document manager that scans, OCRs and auto-tags your paperwork, with optional AI chat. Built for: Small businesses going paperless. Format: Self-hosted web app (Docker). License: GPL-3.0. Open source on GitHub (46,518 stars as of 2026-10-11). |
| Pricing | Free trial of 100 searches; Starter $5/mo; Professional $10/mo; Ultimate $25/mo (annual discount available) | Free tier available; Premium about $30/mo monthly or $10/mo billed yearly ($120); Premium Pro about $36/mo monthly or $12/mo yearly; lifetime options listed | Free and open source; self-hosting, model or API costs may apply |
| Main category | Chat assistants | Writing | Research and notes |
| Website | Visit Kagi | Visit ProWritingAid | Visit Paperless-ngx |
| Info last checked | October 17, 2026 | October 14, 2026 | October 12, 2026 |
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