# Kaqun vs Cap Zen

The clearest difference is in-app purchases: Kaqun at none against Cap Zen's 1. Kaqun also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cap Zen sells 1 in-app purchase, starting at $34.99 per 6 months. Kaqun asks for nothing beyond the download.

Kaqun ships an update every 3 months, Cap Zen every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Kaqun | Cap Zen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/kaqun/id6443587806/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 30 MB | 68 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [IDUNN WATER](https://appshunter.io/developer/1647405695) | [CAP ZEN International SRL](https://appshunter.io/developer/1709362679) |

## What reviewers say

### Kaqun

[App page](https://appshunter.io/ios/app/kaqun/id6443587806)

Control your Personalized Oxygen Delivery System from your smart device. Manage settings, create personalized experiences, and maintain your device remotely.

**Highlights:** Remote control for PODS™, Personalized user profiles, Three program options, Device maintenance management, Live updates, Adjust LED and temperature

**Features:** macOS Compatibility

**In-app purchases:** none


### Cap Zen

[App page](https://appshunter.io/ios/app/cap-zen/id6467927070)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $34.99 | per 6 months |


## Frequently asked questions

### Is Kaqun free?

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

### Is Cap Zen free?

Cap Zen is free to download, with in-app purchases available.

### Do Kaqun or Cap Zen have ads?

Neither Kaqun nor Cap Zen shows ads.

### Which is updated more often, Kaqun or Cap Zen?

Kaqun ships an update every 3 months, and Cap Zen every 2 months. Most recently, Kaqun was updated on October 24, 2026 and Cap Zen on October 30, 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.*