Compare Inoreader and Matter side by side on features, pricing, and the workflows each one is designed for.
A powerful RSS reader for power users, researchers, and journalists.
Free, paid from $4.99/mo
A curated read-later app with beautiful typography, highlights, and text-to-speech.
Free, paid from $8/mo
Here's how Inoreader and Matter compare across the features people actually look for. They share 12 core capabilities; the differences show up in what each tool focuses on.
| Feature | Inoreader | Matter | Keep |
|---|---|---|---|
| Capture and save | |||
| Browser extension | Chrome, Firefox, Edge, Brave | ||
| Mobile apps | iOS, Android | iOS; Android parity unclear | |
| Save from email | Premium | Forward to in.keep.md | |
| Save tweets | Quoteshots + X integration | ||
| Save YouTube videos | Via channel feed | Premium; with transcription | With transcripts |
| Save GitHub stars | |||
| Save PDFs | Converted to markdown | ||
| Save files (docs, spreadsheets) | Word, Excel, CSV, HTML, OpenDocument | ||
| Save audio files | Podcast episodes | With Whisper transcription | |
| Save via API | |||
| Auto-sync sources | |||
| RSS auto-sync | Premium | ||
| YouTube channel sync | |||
| X bookmarks sync | Auto-sync on paid plans; manual import from extension export on free | ||
| GitHub stars sync | |||
| Newsletter inbox sync | Pro | Premium | |
| Library and reading | |||
| Reader view | |||
| Offline reading | Partial | ||
| Full-text search | Supporter+ | Premium | |
| Semantic / AI search | Pro (AI Q&A via Inoreader Intelligence) | ||
| Highlights | Unlimited on Premium | Highlight from the extension or from inside the reader, with optional notes; renders inline | |
| Notes | Unlimited on Premium | ||
| Tags | |||
| Collections | Folders | Partial | |
| Public sharing | Quoteshots for individual quotes | Partial | |
| Full-text RSS extraction | Pro | ||
| AI and agents | |||
| Markdown export for AI agents | Per-item .md URL | ||
| Bulk markdown export | Partial | ||
| MCP server | |||
| CLI tool | keep-markdown npm package | ||
| Claude Code skill | |||
| AI summaries | Pro (Inoreader Intelligence) | Premium (AI Co-Reader) | AI summary and AI tagging on every saved article |
| 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 | Partial | Export to CSV or JSON. Import plain CSV/TSV plus Omnivore, Raindrop.io, Pinboard, and Wallabag export files. | |
| Send to Kindle | Pro | Premium | EPUB delivered to your Kindle email |
| Import Kindle highlights | Premium, via Amazon account sync | From My Clippings.txt, no Amazon login required |
Inoreader is free, paid from $4.99/mo and Matter is free, paid from $8/mo. The tier that fits best usually comes down to how many items you save each month.
Free
150 RSS feeds, 20 newsletters, 30 rules, 50 filters, ads.
Supporter
Ad-free, article translations, full-text search.
Pro
$7.50/mo annual or $9.99/mo monthly. 2,500 feeds, unlimited rules and monitoring, Inoreader Intelligence AI, API access.
Custom
Team and enterprise pricing.
Free
Unlimited library, web + mobile extensions, parsing, unlimited tags.
Premium
HD text-to-speech, AI Co-Reader, RSS feeds, newsletter inbox, unlimited highlights, Kindle send, integrations.
Free
Unlimited links, browser extension, API/CLI/MCP, RSS feeds, YouTube subscriptions, and free imports from bookmark export files.
Plus
500 full-content items per cycle, X bookmarks, email inbox, GitHub sync, uploads, and AI features.
Pro
1,000 full-content items per cycle, everything in Plus.
Max
5,000 full-content items per cycle, everything in Pro.
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.
Inoreader is an RSS reader built for people who subscribe to a lot of feeds and want tight control over what they actually read. It supports RSS, Atom, JSON Feed, newsletter-to-RSS, and has keyword-level filtering, rules, and automations across every feed you follow. The product skews toward researchers, journalists, OSINT analysts, and anyone who treats feed reading as a daily workflow rather than background entertainment.
Matter is a read-later app that leans hard on typography, audio, and AI as a co-reader. The free tier covers unlimited saves, the parser, mobile and web extensions, and unlimited tags. Premium at $8/mo or $60/yr adds HD text-to-speech, an AI Co-Reader that summarises and explains, full-text search, RSS feeds, newsletter syncing, unlimited highlights, integrations, and Kindle send. The reading UI is one of the nicest in the category. The team is small, which shows in a smaller feature set than Readwise Reader but also in a more coherent product.