# Oxygen vs MemU

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.

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

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.

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

## The numbers

| Metric | Oxygen | MemU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/oxygen/id6645736637/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/memu-flashcard-20/id6742653596/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | Free |
| Size | 45 MB | 318 MB |
| Requires iOS | 14.0.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shayar Ghafour](https://appshunter.io/developer/1790857594) | [Beijing Daoyehuo Technology Co.Ltd](https://appshunter.io/developer/1437218115) |

## What reviewers say

### Oxygen

[App page](https://appshunter.io/ios/app/oxygen/id6645736637)

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

**In-app purchases:** none


### MemU

[App page](https://appshunter.io/ios/app/memu-flashcard-20/id6742653596)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*