Keep vs Readwise Reader
Compare Keep and Readwise Reader side by side on features, pricing, and the workflows each one is designed for.
Keep
Save anything as Markdown your AI agents can search, including articles, posts, videos, feeds, files, and notes.
Free, paid from $5/mo
- Everything you save becomes clean Markdown
- MCP and CLI search across notes and saved sources
- Auto-sync from RSS, YouTube, GitHub, email, and optional X bookmarks
Readwise Reader
A read-later app for articles, PDFs, emails, tweets, and YouTube, with deep highlights and AI features.
Free, paid from $9.99/mo
- Fastest, most polished app in the read-later category
- Rich highlighting with Readwise sync to note apps
- Handles articles, PDFs, newsletters, tweets, YouTube in one inbox
Feature comparison
Here's how Keep and Readwise Reader compare across the features people actually look for. They share 22 core capabilities; the differences show up in what each tool focuses on.
| Feature | Keep | Readwise Reader |
|---|---|---|
| Capture and save | ||
| Browser extension | ✓Chrome, Firefox, Edge, Brave | ✓Chrome, Firefox, Safari |
| Mobile apps | × | ✓iOS, Android |
| Save from email | ✓Forward to in.keep.md | ✓Per-user Reader address |
| Save tweets | ✓ | ✓Threads compiled as articles |
| Save YouTube videos | ✓With transcripts | ✓With transcript highlighting |
| Save GitHub stars | ✓ | × |
| Save PDFs | ✓Converted to markdown | ✓ |
| Save files (docs, spreadsheets) | ✓Word, Excel, CSV, HTML, OpenDocument | −PDFs, EPUBs, HTML |
| Save audio files | ✓With Whisper transcription | × |
| Save via API | ✓ | ✓ |
| Auto-sync sources | ||
| RSS auto-sync | ✓ | ✓ |
| YouTube channel sync | ✓ | −Via RSS |
| X bookmarks sync | ✓Automatic sync is a $5/month add-on. Manual CSV or JSON import on every plan. | × |
| GitHub stars sync | ✓ | × |
| Newsletter inbox sync | ✓ | ✓ |
| Library and reading | ||
| Reader view | ✓ | ✓ |
| Offline reading | −Partial | ✓ |
| Full-text search | ✓ | ✓ |
| Semantic / AI search | ✓ | −Ghostreader Q&A |
| Highlights | ✓Highlight from the extension or from inside the reader, with optional notes; renders inline | ✓ |
| Notes | ✓ | ✓ |
| Tags | ✓ | ✓ |
| Collections | ✓ | ✓Folders |
| Public sharing | −Partial | ✓ |
| Full-text RSS extraction | ✓ | −Partial |
| AI and agents | ||
| Markdown export for AI agents | ✓Per-item .md URL | × |
| Bulk markdown export | ✓ | × |
| MCP server | ✓ | × |
| CLI tool | ✓keep npm package | × |
| Claude Code skill | ✓ | × |
| AI summaries | ✓AI summary and AI tagging on every saved article | ✓Ghostreader |
| Public API | ✓ | ✓ |
| Import and export | ||
| OPML import / export | ✓Import from and export to any OPML-compatible reader | ✓ |
| Pocket import | ✓ZIP, CSV, and legacy HTML exports | ✓ |
| Instapaper import | ✓CSV export with folders, archive, and starred state | ✓ |
| CSV / JSON export | ✓Export to CSV or JSON. Import plain CSV/TSV plus Omnivore, Raindrop.io, Pinboard, and Wallabag export files. | ✓Via API |
| Send to Kindle | ✓EPUB delivered to your Kindle email | ✓ |
| Import Kindle highlights | ✓From My Clippings.txt, no Amazon login required | ✓Via Readwise Kindle sync (Amazon account login) |
Pricing
Keep is free, paid from $5/mo and Readwise Reader is free, paid from $9.99/mo. The tier that fits best usually comes down to how many items you save each month.
Keep
- Starter
- Bookmark saves from the web app and browser extension, plus a limited note library.
- Free
- Personal
- Full-content Markdown, search, sources, automations, MCP, CLI, API, and export. Also available as a one-time lifetime purchase.
- $10/mo
- X bookmark sync
- Optional add-on. Automatic private X bookmark sync. Requires Personal.
- $5/mo
Readwise Reader
- Free
- 30-day trial of Readwise Full (includes Reader). No card required.
- Free
- Readwise (Full)
- $9.99/mo billed annually or $12.99/mo monthly. Includes Reader, highlights sync, and export to Notion/Obsidian.
- $9.99/mo
Strengths and weaknesses
Both tools do their category well, but the specifics differ. Here's what each one is good at and where it tends to fall short.
What Keep does well
- Everything you save becomes clean Markdown
- MCP and CLI search across notes and saved sources
- Auto-sync from RSS, YouTube, GitHub, email, and optional X bookmarks
- Full markdown export for the whole library
- Imports Pocket, Instapaper, Omnivore, Raindrop, Pinboard, Wallabag, OPML, CSV, and JSON
- Highlights from the browser extension or the reader
- Send saved items to Kindle and import My Clippings.txt
Where it falls short
- No native mobile apps yet
What Readwise Reader does well
- Fastest, most polished app in the read-later category
- Rich highlighting with Readwise sync to note apps
- Handles articles, PDFs, newsletters, tweets, YouTube in one inbox
- Ghostreader AI summarises and explains highlights
Where it falls short
- Expensive compared to simpler read-later apps
- Dense UI can overwhelm casual readers
- API returns HTML, not markdown (no AI-agent-ready export)
- No MCP server or Claude Code skill
About Keep
Keep saves articles, posts, videos, feeds, files, and notes as clean Markdown. You can read the library yourself, search it, export it, or let Claude Code, Cursor, Codex, ChatGPT, and other clients use the same context over MCP or CLI. Starter is free for bookmark saves and a limited note library. Personal is $10/month and adds full-content Markdown, search, sources, automations, and agent access. X bookmark sync is a $5 add-on for automatic private bookmark import.
About Readwise Reader
Readwise Reader is the reading companion to Readwise's highlight sync service. It handles articles, PDFs, EPUBs, emails, tweets, and YouTube transcripts in one inbox, with a Ghostreader AI copilot for summaries, definitions, and Q&A. Highlights sync to Notion, Obsidian, Logseq, Roam, Evernote, and Airtable. It ships as web, iOS, Android, and browser extensions, with a public REST API for scripting. Pricing is $9.99/mo billed annually (or $12.99/mo monthly) as part of the Readwise Full plan, which includes the highlight sync service. A 30-day free trial is available.