Comparison

Orbini vs alphaXiv

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

Head to head
About

Orbini

Read full description

Orbini makes learning fun and effortless. Choose from 100+ expertly crafted topics across technology, science, business, finance, design, music, and more — or create your own custom path with AI. Every topic is broken into bite-sized levels with engaging lessons and interactive quizzes. Track your streak, earn XP, unlock achievements, and watch your knowledge grow day by day. KEY FEATURES: • 100+ curated learning paths across 8 categories • AI-powered custom topic generation • Bite-sized lessons with interactive quizzes • Daily challenges to keep you sharp • Streak tracking and XP rewards • Achievements and profile customization • Orb Shop with colors and accessories • Dark mode and light mode support • Sign in with Apple or Google ORBINI PRO: • Unlimited learning paths • Unlimited AI custom topics • Deep Dive and Expert-level courses • All 100+ premium topics unlocked Start learning today — no textbooks required. Terms of Use: https://sites.google.com/view/orbini/terms-of-use Privacy Policy: https://sites.google.com/view/orbini/privacy-policy

About

alphaXiv

This app helps researchers stay updated with the latest AI studies from arXiv. It offers AI-powered summaries, literature reviews, and visual explanations of complex papers. Users can also annotate papers and track their research interests.

Highlights
  • Trending research feed
  • AI-powered literature reviews
  • Interactive paper reader with notes
  • AI Visual Blogs for paper explanations
  • Personalized research recommendations
Read full description

alphaXiv offers a suite of AI features built on top of arXiv that help you keep up with and quickly understand the latest research. Trending Feed Discover the most relevant AI research, curated by our community of hundreds of thousands of readers each week. See papers tailored to your specific research interests with quick informative blurbs to help you decide which papers to delve deeper. Library Bookmark favorite papers, keep track of your research and organize your work. Paper is missing on alphaXiv? Upload it into library and gain access to the same assistant and AI Overviews as the publically available papers. AI Assistant Understand the latest AI research with AI. Ask questions like 'What are the latest breakthroughs in RL fine-tuning?' and get comprehensive literature reviews with trending papers automatically included. Paper Reader View papers with highlights, personal notes, and quick access to our AI assistant. Come back anytime to a paper to see what parts you marked as important, any notes that you left for yourself, and your conversations with our assistant. AI Visual Blogs Turn any complex paper into clear visual explanations. Generate beautiful research blogs with figures, equations, and key insights from the paper with just one click. Join hundreds of thousands of weekly readers on alphaXiv to transform your research output. Whether you’re a curious undergrad or an applied research scientist, reading papers won’t ever feel the same again.

Screenshots

Orbini4 screens
alphaXiv4 screens

Verdict

The call

The clearest difference is in-app purchases: alphaXiv at none against Orbini's 2. alphaXiv also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (17.0 vs 26.1). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Orbini sells 2 in-app purchases, starting at $9.99 per month. alphaXiv asks for nothing beyond the download.

UpkeepUpdate frequency

Orbini ships an update every 2 weeks, alphaXiv every 4 days. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
Orbini versus alphaXiv: the parameters behind the verdict, then further details
ParameterOrbinialphaXiv
PriceFreeFree
Rating—4.7 (17 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—17 — better
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.117.0 — better
Further details — not scored
Size7 MB73 MB
Age rating4+12+
DeveloperOrbioomalphaXiv Inc.

In-app purchases

2 purchases

Orbini

Subscriptions2
  • Orbini Pro Monthly3 Days trial$9.991 Month
  • Orbini Pro Annual3 Days trial$49.991 Year
None

alphaXiv

No in-app purchases

Questions

Is Orbini free?
Orbini is free to download, with in-app purchases available.
Is alphaXiv free?
alphaXiv is free to download, with no in-app purchases.
Do Orbini or alphaXiv have ads?
Neither Orbini nor alphaXiv shows ads.
Which is updated more often, Orbini or alphaXiv?
Orbini ships an update every 2 weeks, and alphaXiv every 4 days. Most recently, Orbini was updated on September 9, 2026 and alphaXiv on September 14, 2026.

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