Comparison

ScrollPaper vs Scollr

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

ScrollPaper

Features
Read full description

Stop drowning in PDFs. ScrollPaper turns the latest research into a swipeable feed you can actually finish. Each paper becomes a digestible card with key findings, methodology, and AI-generated takeaways built for researchers, PhD students, postdocs, and anyone who wants to stay current without the information overload. FEATURES โ€ข Swipe through papers in your field like a research feed โ€ข AI Key Takeaways: The Finding, The Method, Why It Matters โ€ข Ask AI to summarise and compare multiple papers at once โ€ข Daily reading streaks and research missions to build a habit โ€ข Explore 20+ research fields and subfields โ€ข Follow your favourite journals and authors โ€ข Save papers into custom collections โ€ข 5,000+ curated papers across biomedical and life sciences BUILT FOR THE CURIOUS PhD students, postdocs, faculty, and lifelong learners who want to keep up with science on their own terms, on their own time.

About

Scollr

Features
Read full description

Scollr is a personalized feed for discovering research papers from journals, preprint servers, and academic repositories. Follow the topics, authors, and journals that matter to you. Scollr learns from the signals you give it - what you follow, save, and read - to build a research feed that fits your interests. PERSONALIZED RESEARCH FEED See papers shaped by your topics, authors, journals, bookmarks, and reading signals. Two researchers in the same field can get meaningfully different feeds based on what they care about. FOLLOW TOPICS, AUTHORS, AND JOURNALS Track broad fields, niche topics, specific researchers, journals, and preprint sources. Refine your follows anytime as your projects change. PLAIN-LANGUAGE PAPER SUMMARIES Many papers include short TLDR summaries so you can quickly decide what deserves a deeper read. SAVE PAPERS TO COLLECTIONS Organize papers by project, theme, class, lab meeting, or read-later list. Keep collections private or share them publicly. DISCUSS RESEARCH Comment on papers, ask questions, and point other readers to related work. FOLLOWING, DISCOVER, AND LATEST Use Following for personalized papers, Discover for broader recommendations, and Latest for new arrivals in your fields. BUILT FOR SCHOLARS AND CURIOUS READERS Scollr is for PhD students, researchers, clinicians, engineers, students, and anyone who wants a better way to keep up with academic papers. Scollr indexes millions of papers from OpenAlex across disciplines, journals, preprints, and repositories. New papers are added daily. Free to use. No paywall. No ads.

Screenshots

ScrollPaper4 screens
Scollr4 screens

Verdict

The call

ScrollPaper and Scollr are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
ScrollPaper versus Scollr: the parameters behind the verdict, then further details
ParameterScrollPaperScollr
PriceFreeFree
Update frequencyโ€”Fortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.115.1
Further details โ€” not scored
Size49 MB32 MB
Age rating12+4+
DeveloperSanjay Sondekoppa GopalaKrishnaChris Colpitts

In-app purchases

None

ScrollPaper

No in-app purchases

None

Scollr

No in-app purchases

Questions

Is ScrollPaper free?
ScrollPaper is free to download, with no in-app purchases.
Is Scollr free?
Scollr is free to download, with no in-app purchases.
Do ScrollPaper or Scollr have ads?
Neither ScrollPaper nor Scollr shows ads.

Other comparisons