EndNote vs Paperpile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EndNote
Manage your research from anywhere with this popular tool. Organize, search, and share academic papers and bibliographies seamlessly across devices. Sync your library and annotate PDFs on the go.
- Sync research library across devices
- Search academic databases
- Annotate PDFs
- Import reference file formats
- Share references with collaborators
- Attach files from cloud storage
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Collect, collaborate, create from anywhere with the EndNote app - the world's most popular research management tool. With flexible tools for searching, organizing, sharing research, and creating bibliographies, the EndNote app extends your ability to stay on top of cutting edge research and connect with your EndNote library on the go. EndNote enables you to easily view, edit, organize, and share research material on your iOS device. By syncing your research library across iOS, online, and desktop, you increase the power of EndNote by gaining seamless access to your reference library from multiple devices and platforms. The EndNote app includes: - Sign up for a free, EndNote online account or sign in to an existing account - Synchronize your library references, attachments, and PDF annotations to your online account and EndNote desktop - Built in web browser to search Clarivate Analytics Web of Science, PubMed, Google Scholar, your library catalog, or any other database you choose - Built in PDF viewer with wide range of annotation features. Annotations made can be synced and edited online and on the EndNote desktop - Importing capabilities for .ris, .nbib, and other popular reference file formats - Email and copy options for sharing references and file attachments with collaborators - EndNote “temporary citation” format support - Attach files from Dropbox, OneDrive or Google Drive to your references (accounts available separately) - Viewing and editing options for references and file attachments - Sorting, searching, and grouping options for references and file attachments - Getting Started Guide documentation
Paperpile
Organize and manage your research papers effortlessly. Collect, read, and annotate PDFs from millions of academic journals. Beat paper chaos with a tidy digital library.
- Search millions of academic papers
- Collect PDFs with one tap
- Organize with folders and labels
- Read and annotate PDFs
- Highlight and add notes
- Browser integration for saving
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Get a head start for you research and finally beat the paper chaos on your desk. With Paperpile you have all your research PDFs in one place — nice and tidy. Paperpile makes it easier than ever to collect, manage, read, and annotate your papers. FIND & COLLECT - Search millions of papers from 20,000+ academic journals right in the app. - Add new papers to your collection with one tap and the PDF will be downloaded automatically. - Save directly from your browser to your Paperpile library - User your university's off-campus proxy access to get restricted content behind paywalls. MANAGE & ORGANIZE - Bring structure to your library with folders and subfolders - Organize your library visually with colored labels - Mark important papers with stars. - Search your library to find the paper you need fast. READ & ANNOTATE - Read like on paper with a fast and slick PDF viewer experience - Highlight important sections in different colors - Add notes and never forget an important idea. - Add hand-drawn annotations - with your fingers or your Apple Pencil The Paperpile App requires a Paperpile account.
Screenshots
Verdict
The clearest difference is review sentiment: Paperpile at 72% against EndNote's 28%. Paperpile also leads on rating (4.5 vs 2.6) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Paperpile holds the better App Store score, 4.5 against 2.6. Both are backed by a comparable volume of ratings — 165 and 129 respectively. Written reviews point the same way: 28% of EndNote's written reviews are positive against 72% of Paperpile's.
EndNote ships an update every 4 months, Paperpile every 2 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | EndNote | Paperpile |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (165 ratings) | 4.5 (129 ratings) — better |
| Positive reviews | 27.6% of reviews | 71.6% of reviews — better |
| Number of ratings | 165 — better | 129 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 91 MB | 242 MB |
| Age rating | 17+ | 4+ |
| Developer | Clarivate Analytics (US) LLC | Paperpile LLC |
Customer experience
EndNote
Paperpile
User reviews
EndNote
From 165 App Store ratingsWhat we love
- 🚀 Syncs well with desktop version
- 📚 Convenient for reading and annotating papers
- 💻 Good companion to desktop app
- 🔍 Useful for managing references on the go
- 🖋️ Annotation tools work well with Apple Pencil
Room to improve
- 🐛 Crashes frequently
- 🔍 Clunky search and organization
- 📁 Sync issues and lost annotations
- 🔒 Incompatible with other cloud storage
- 🔧 Missing key features from desktop version
Paperpile
From 129 App Store ratingsWhat we love
- 👍 Excellent reference library management
- 🔄 Seamless cross-device synchronization
- ✍️ Intuitive PDF annotation and highlighting
- 🎨 Clean and minimalist user interface
- 📱 Strong iPad and mobile integration
Room to improve
- 🐛 Frequent crashes and instability
- ⏱️ Lack of updates for extended periods
- 📱 Mobile app significantly behind web version features
- 🔋 High battery drain on iPad
- 🌙 No dark mode support
Bugs and requests
EndNote
Reported bugs
5 issues- Crashes when editing references
- Indexing issues and lost library data
- Compatibility problems with iOS updates
- PDF viewer issues (e.g. no rotation, lost page position)
- Login and authentication problems
Requested features
5 requests- Cite while you write functionality
- Better PDF annotation tools (e.g. eraser, text notes)
- Support for group sets and nested folders
- Automatic citation data population from PDFs
- Improved syncing and offline access
Paperpile
Reported bugs
12 issues- App crashes frequently on iPad and iOS devices
- Highlighting disappears when revisiting papers
- Overlapping annotations delete together when removing one
- Sync failures requiring logout/login cycles
- Annotations not syncing between iPad and web versions
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- PDF metadata recognition failures when adding papers
- Settings reset when returning to previously edited files
- App incompatible with older iOS versions (iOS 12)
- Login authentication errors with university accounts
- App crashes without reliable internet connection
- Search functionality broken after updates
- Annotations not saving/loading on iOS 14.4.2
Requested features
17 requests- Dark mode implementation
- Edit citation metadata on mobile app
- Change PDF file functionality
- Save to downloads feature
- Dictionary/lookup function for reading
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- Cite while you write feature
- BibTeX export capability
- Ability to upload PDFs directly from mobile app
- Support for Safari and other browsers
- Desktop application version
- Shared library access in mobile app
- Advanced sorting options (by title, author, date)
- Custom color options for annotations
- Paste images into PDFs
- Shape snapping for drawing tools
- University email authentication
- Paper rating system beyond stars
In-app purchases
EndNote
No in-app purchases
Paperpile
No in-app purchases







