Comparison

uNotes vs Oxygen

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

Head to head
About

uNotes

Access a vast library of community-contributed study materials, including past papers, assignments, and notes. Study smarter, improve grades, and save time with instant, free access to resources without needing a login. Engage with a global community of learners and share knowledge.

Highlights
  • Instant access to past papers and assignments
  • Community-driven content sharing
  • Free and open access to resources
  • Personalized user profiles
  • Search and filter study materials
  • No login required for access
  • Offline support for saved favorites
Read full description

uNotes, your new favorite free no-login access to past papers, exams, assignments, practice, labs, notes, and complete solutions. Gain instant access to a growing library of community-contributed materials that help you study smarter, improve your grades, and save time. No subscription is required. Download and start exploring the free alternative to Chegg, CourseHero, and StuDocu. Key Features: - Instant Access: Browse thousands of past exams, assignments, labs, and notes uploaded by fellow students. - Community Driven: Join a global community of learners. Upload your own materials, comment, and share insights. - Free and Open: Unlike paid services like Chegg, CourseHero, or StuDocu, uNotes grants unlimited free access to all resources. - Personal Profile: Customize your profile, track your uploads, and engage with others through discussion and feedback. - Search and Filter: Quickly find relevant study guides, lecture notes, and sample tests for your courses. Why Choose uNotes? - No Login Required: Open the app, search, and start browsing study material—instant, no hassle access and no ads! - Collaboration and Feedback: Share knowledge by commenting, upvoting, and suggesting improvements on uploads. - User-Friendly Interface: Seamlessly browse or upload documents from your phone. - Online and Offline Support: Save your favorites for easy reference on the go. Try uNotes Today Without A Login Needed! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Oxygen

This app provides medical students with a dedicated platform for their studies. It offers access to pre-recorded lectures aligned with coursework, allowing for flexible learning. The app features distinct roles for students and administrators to ensure an organized and efficient educational experience.

Highlights
  • Pre-recorded lecture access
  • Coursework-aligned content
  • Student role for learning
  • Administrator role for management
  • Flexible study schedule
Read full description

This app serves as a dedicated companion specifically designed for medical students, offering a comprehensive and user-friendly platform tailored to meet their academic needs. Through this app, students gain seamless access to pre-recorded lectures that are meticulously aligned with their coursework, ensuring that they can study at their own pace and on their own schedule. The app features distinct roles for both students and administrators, allowing for a focused and efficient learning environment. Students can concentrate fully on their studies without the distraction of managing content, while administrators are empowered to oversee the platform, ensuring that all lecture materials are up-to-date and relevant. This clear division of roles fosters an organized and productive educational experience. While this app is not officially affiliated with any Medical College, it has been thoughtfully developed to support students in their academic journey, providing them with the resources they need to succeed. Whether you're reviewing a challenging topic or catching up on missed lectures, this app is designed to be an indispensable tool in your medical education.

Screenshots

uNotes4 screens
Oxygen3 screens

Verdict

The call

The clearest difference is in-app purchases: Oxygen at none against uNotes's 2. Oxygen also leads on update cadence (every 9 days vs every 4 months) and ratings volume (6 vs 1). On price, rating, 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. uNotes sells 2 in-app purchases, starting at $7.99 per month. Oxygen asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for uNotes against 5.0 for Oxygen. That said, the two scores are not equally well evidenced: Oxygen has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

uNotes ships an update every 4 months, Oxygen every 9 days. The most recent releases landed on June 24, 2026 and June 7, 2026 respectively.

Scorecard4 real differences · 6 level
uNotes versus Oxygen: the parameters behind the verdict, then further details
ParameteruNotesOxygen
PriceFreeFree
Rating5.0 (1 ratings)5.0 (6 ratings)
Positive reviews100.0% of reviews—
Number of ratings16 — better
Update frequencyEvery 4 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.014.0.0 — better
Further details — not scored
Size14 MB45 MB
Age rating4+17+
Developer14930398 Canada Inc.Shayar Ghafour

Customer experience

uNotes

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Oxygen

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

uNotes

Subscriptions2
  • Monthly — uNotes Premium$7.991 Month
  • Annual — uNotes Premium$59.991 Year
None

Oxygen

No in-app purchases

Questions

Is uNotes free?
uNotes is free to download, with in-app purchases available.
Is Oxygen free?
Oxygen is free to download, with no in-app purchases.
Which has better reviews, uNotes or Oxygen?
uNotes and Oxygen are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.
Do uNotes or Oxygen have ads?
Neither uNotes nor Oxygen shows ads.
Which is updated more often, uNotes or Oxygen?
uNotes ships an update every 4 months, and Oxygen every 9 days. Most recently, uNotes was updated on June 24, 2026 and Oxygen on June 7, 2026.

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