Paperpile vs SLP Sticky Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
SLP Sticky Notes
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SLP Sticky Notes lets you capture information and print it right away. Choose how you input—camera, voice, pen, or keyboard—and turn it into linerless labels instantly. There is no need to organize, save, or manage notes. Write, print, and use. Four Ways to Create Labels Camera Use photos or saved images as labels. Microphone Turn speech into text labels. Pen Write or draw directly on the screen. Keyboard Enter clean, structured text quickly. Linerless Labels Labels are printed on linerless media for temporary use such as short notes, reminders, and visible information. Print only what you need, when you need it. Supported Printer Printer Model SLP850 Interfaces Bluetooth, USB Please read the license agreement carefully before using this software. The license agreement can be found on the website below. https://www.sii-ps.com/data/sw/license/std/
Screenshots
Verdict
The clearest difference is iOS requirement: Paperpile at 12.0 against SLP Sticky Notes's 17.0. On price, update cadence, ads and in-app purchases 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 ships an update every 2 months, SLP Sticky Notes every 3 months. Both last shipped on October 19, 2026.
| Parameter | Paperpile | SLP Sticky Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (129 ratings) — better | — |
| Positive reviews | 71.6% of reviews | — |
| Number of ratings | 129 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 242 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Paperpile LLC | Seiko Instruments Inc. |
Bugs and requests
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
SLP Sticky Notes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Paperpile
No in-app purchases
SLP Sticky Notes
No in-app purchases









