Matter vs Readspace

Matter is a read-later app for collecting articles, threads, PDFs, YouTube videos and podcast episodes. It is available on iPhone, iPad and the web, and can save content through mobile and web extensions. The free plan includes an unlimited read-later library, unlimited tags and full-text search; offline reading is available by default. Newsletters can be connected through Gmail or a unique Matter email address.

Matter turns YouTube and podcast episodes into text synchronized with playback. Readers can highlight content, export highlights, send articles to Kindle and sync highlights to Notion, Obsidian, Roam, Readwise and other services. Premium adds HD text-to-speech, highlighting, note-taking, integrations and personalization; its listed plans are $8 a month or $60 a year. Premium also lists AI Co-Reader and Send to Kindle. Monthly and annual subscriptions renew automatically unless disabled at least 24 hours before the period ends.

Readspace brings followed publications, writers, and newsletters into a reading feed and creates a five-minute daily briefing. The chronological feed contains sources a user follows, without engagement ranking or suggested posts. Its Daily Digest groups coverage of the same development across selected sources and links to them. Readers can explore more than 120,000 sources and import or export subscriptions as OPML. A browser extension can find a site's RSS feed when available. Reading tools include summaries, key-point highlighting, and translation. Newsletters can be received through a private Readspace email alias and placed in a Newsletters folder. The maker says reading has no ads or trackers and that reading activity is not sold or used for targeting. Readspace is open source and can be self-hosted; that option has no usage limits, but lacks the hosted catalog, requires OPML imports, and bills AI through the user's provider. Basic is free with limits on feeds, saved articles, and daily tools. Pro costs $5.99 a month, billed monthly, with fair-use limits.