Comparison

ScrollPaper vs Summa

Price, ratings, monetisation and update history for both apps, side by side — 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 • Swipe through papers in your field like a research feed • AI Key Takeaways: The Finding, The Method, Why It Matters • Ask AI to summarise and compare multiple papers at once • Daily reading streaks and research missions to build a habit • Explore 20+ research fields and subfields • Follow your favourite journals and authors • Save papers into custom collections • 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

Summa

Features
Read full description

Stop drowning in dense papers. Summa AI turns research papers, PDFs, journal articles and reports into clear, concise summaries, so you can understand the key ideas in minutes instead of hours. WHAT YOU CAN DO • Summarize research papers, PDFs, articles and reports with an AI paper summarizer • Pull out key findings, insights and references, including DOI and arXiv links • Turn any summary into study flashcards for faster revision • Generate AI study notes that help you remember what you read • Use it as your research assistant to review more literature in less time BUILT FOR • Students preparing for assignments, essays and exams • Researchers and academics reading large amounts of literature • Anyone who wants the TLDR of a long document without reading every page HOW IT WORKS 1. Add a research paper, PDF or article. 2. Get an AI summary with the key points and references. 3. Save study notes or create flashcards to review later. Summa AI is free to download. Optional in-app subscriptions unlock the full feature set. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel them in your Apple ID settings. Terms of Use: https://sites.google.com/view/summa-ai/terms-of-use Privacy Policy: https://sites.google.com/view/summa-ai/privacy-policy

Screenshots

ScrollPaper4 screens
Summa4 screens

Verdict

The call

The clearest difference is in-app purchases: ScrollPaper at none against Summa's 3. On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Summa sells 3 in-app purchases, starting at $4.99 per 7 days. ScrollPaper asks for nothing beyond the download.

Scorecard1 real difference Ā· 5 level
ScrollPaper versus Summa: the parameters behind the verdict, then further details
ParameterScrollPaperSumma
PriceFreeFree
Update frequency—Every 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size49 MB60 MB
Age rating12+4+
DeveloperSanjay Sondekoppa GopalaKrishnaAbdelaziz Rass

In-app purchases

None

ScrollPaper

No in-app purchases

3 purchases

Summa

Subscriptions3
  • Scholarcy Weekly$4.997 Days
  • Scholarcy Discount Offer$19.991 Year
  • Scholarcy Yearly$44.991 Year

Questions

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

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