# Capsola vs Oxygen

The clearest difference is update cadence: Oxygen at every 9 days against Capsola's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Capsola ships an update every 4 weeks, Oxygen every 9 days. The most recent releases landed on September 18, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | Capsola | Oxygen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/oxygen/id6645736637/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 57 MB | 45 MB |
| Requires iOS | **13.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [IT PLUS](https://appshunter.io/developer/1024515554) | [Shayar Ghafour](https://appshunter.io/developer/1790857594) |

## What reviewers say

### Capsola

[App page](https://appshunter.io/ios/app/capsola/id6503129445)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Capsola free?

Capsola is free to download, with no in-app purchases.

### Is Oxygen free?

Oxygen is free to download, with no in-app purchases.

### Do Capsola or Oxygen have ads?

Neither Capsola nor Oxygen shows ads.

### Which is updated more often, Capsola or Oxygen?

Capsola ships an update every 4 weeks, and Oxygen every 9 days. Most recently, Capsola was updated on September 18, 2026 and Oxygen on June 7, 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.*