Preprint Reader
Browse research papers
Free · Designed for iPad. Not verified for macOS.
Now searches arXiv, bioRxiv, medRxiv, and PubMed, with a fresh Liquid Glass design and a new You tab that tracks your reading streaks and activity.
Preprint is a fast, focused reader for the latest research from arXiv, bioRxiv, and medRxiv.
Browse a feed built from the subjects you follow, search across three sources, and read papers in a clean native PDF reader. Save what matters, download for offline reading, and keep track of what you have read.
SEARCH THREE SOURCES
Search arXiv, bioRxiv, and medRxiv from one place, and switch source with a tap. arXiv papers open in the native reader. bioRxiv and medRxiv papers open in a built-in web view.
A FEED THAT IS YOURS
Follow categories from any source and your feed fills with their newest papers, newest first. No algorithm and no noise, just the fields you care about.
READ AND ANNOTATE
A distraction-free PDF reader with highlights, bookmarks, a table of contents, and light or dark reading modes. Download papers to read offline.
YOUR READING, TRACKED
The You tab shows a reading activity map, your current streak, and how much you have read across sources.
STAY ORGANIZED
Group papers into collections, tag them, and mark them read or unread. Follow authors to get a notification when they post something new.
PRIVATE BY DESIGN
No account and no tracking. Your library syncs privately through your own iCloud. Clear your history or reset everything whenever you want.
Preprint is not affiliated with or endorsed by arXiv, bioRxiv, medRxiv, or Europe PMC. Thank you to these services for their open access to research.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
A bigger, fresher Preprint.
FOUR SOURCES IN ONE SEARCH
- Search arXiv, bioRxiv, medRxiv, and now PubMed. Pick a source from the menu at the top of Search.
- bioRxiv, medRxiv, and PubMed results open in a built-in web view.
YOUR FEED, ACROSS SOURCES
- Follow bioRxiv and medRxiv subjects and their newest papers join your arXiv feed, newest first.
A NEW YOU TAB
- A reading activity map, daily streaks, and your reading stats at a glance.
- Following, appearance, storage, and data controls all in one place.
- Clear your reading history or reset all data whenever you want.
A FRESH LIQUID GLASS DESIGN
- Redesigned across every screen with translucent glass surfaces and more depth.
FIXES AND POLISH
- Smoother pull to refresh on the feed.
- The Unread filter now reflects what you have actually opened.
- Loading and error messages name the source you are searching.
- Empty screens are centered, and the source picker no longer clips when you switch.
Thanks for reading with us.
The developer, Ariq Koh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ariq Koh
- Size
- 2.9 MB
- Category
- Reference
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Age Rating
4+
- 4+
- Copyright
- © 2026 Ariq Koh