Comparison

Oxygen vs MemU

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

Head to head
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.

About

MemU

This app allows users to import, study, and edit Anki flashcard decks offline on their iPhone and iPad. It supports various note types and offers a distraction-free interface for efficient learning.

Highlights
  • Import .apkg flashcard decks
  • Study with spaced repetition
  • Edit cards directly on device
  • Supports various note types (cloze, image occlusion, MathJax)
  • 100% offline functionality
  • Export decks anytime
  • Modern, distraction-free UI
Features
Read full description

MemU is the creator of Flashcard 2.0 — a new model of networked flashcards built around two dimensions of memory: time and connection. Flashcard 1.0 asks: “When should I see this again?” Flashcard 2.0 also asks: “What is this connected to?” MemU keeps spaced repetition at the center of learning, then adds another dimension: connect a card to the dictionaries, books, movies, notes, and other knowledge around it. - BRING YOUR EXISTING CARDS: Import Anki-compatible .apkg decks and start studying them directly in MemU. Create and study rich flashcards with text, cloze deletion, image occlusion, MathJax, images, audio, TTS, custom templates, and more. Compatible decks can also be exported to .apkg when needed. - MOVIES AS SOURCES: Import movie subtitles, search for text, and connect matching subtitles and movie clips directly to a card. Keep the dialogue and scene around what you are learning instead of remembering an isolated word or sentence. - =BOOKS AS SOURCES: Import ebooks and search their chapters and text. Connect a relevant passage to a card while keeping the book itself as the source of truth. - DICTIONARIES AS SOURCES: Import electronic dictionaries and search them directly inside MemU. Connect definitions, pronunciations, examples, and reference information to the card you are learning while keeping the original dictionary entry as the source. - YOUR OWN CARDS AS SOURCES: Your existing knowledge can become reusable context. Add a dictionary card template to a deck to make its notes searchable. Find useful content from the same deck or other collections and connect it to another card without copying or duplicating the original content. Your cards don't just store knowledge. They can become sources for other cards. - PRONUNCIATION INSIDE YOUR FLASHCARDS: Don't just recognize an answer. Say it. Add pronunciation practice to a flashcard, speak during review, and receive pronunciation feedback at word and phoneme level. Turn passive recognition into active production without leaving your review session. - NATURAL ONLINE TTS: Give your flashcards a voice with online text-to-speech. Listen to words, sentences, definitions, and examples directly while reviewing. FLASHCARD 1.0 + FLASHCARD 2.0 Spaced repetition helps answer: “When should I review this again?” Networked flashcards add: “What is this connected to?” MemU does both. MemU created Flashcard 2.0 to move flashcards beyond isolated question-and-answer pairs — while keeping the speed, flexibility, and spaced repetition that make flashcards powerful. **Anki is a registered trademark of Ankitects Pty Ltd. This app is not affiliated with or endorsed by Ankitects Pty Ltd.

Screenshots

Oxygen3 screens
MemU4 screens

Verdict

The call

The clearest difference is rating: Oxygen at 5.0 against MemU's 4.8. On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Oxygen holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

UpkeepUpdate frequency

Oxygen ships an update every 9 days, MemU weekly. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Oxygen versus MemU: the parameters behind the verdict, then further details
ParameterOxygenMemU
PriceFreeFree
Rating5.0 (6 ratings) — better4.8 (4 ratings)
Positive reviews—57.1% of reviews
Number of ratings6 — better4
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0.013.0 — better
Further details — not scored
Size45 MB318 MB
Age rating17+4+
DeveloperShayar GhafourBeijing Daoyehuo Technology Co.Ltd

Customer experience

Oxygen

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

MemU

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

In-app purchases

None

Oxygen

No in-app purchases

None

MemU

No in-app purchases

Questions

Is Oxygen free?
Oxygen is free to download, with no in-app purchases.
Is MemU free?
MemU is free to download, with no in-app purchases.
Which has better reviews, Oxygen or MemU?
Oxygen is rated higher. Oxygen averages 5.0 out of 5 from 6 ratings, while MemU averages 4.8 from 4 ratings.
Do Oxygen or MemU have ads?
Neither Oxygen nor MemU shows ads.
Which is updated more often, Oxygen or MemU?
Oxygen ships an update every 9 days, and MemU weekly. Most recently, Oxygen was updated on October 24, 2026 and MemU on October 24, 2026.

Other comparisons