# Cap Zen vs Respi.info

The clearest difference is in-app purchases: Respi.info at none against Cap Zen's 1. 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. Respi.info asks for nothing beyond the download.

Cap Zen ships an update every 2 months, Respi.info every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Cap Zen | Respi.info |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 68 MB | 2 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [CAP ZEN International SRL](https://appshunter.io/developer/1709362679) | [Association JOOY](https://appshunter.io/developer/1896286182) |

## What reviewers say

### 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 |


### Respi.info

[App page](https://appshunter.io/ios/app/respiinfo/id6766412784)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cap Zen free?

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

### Is Respi.info free?

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

### Do Cap Zen or Respi.info have ads?

Neither Cap Zen nor Respi.info shows ads.

### Which is updated more often, Cap Zen or Respi.info?

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