# Deep Breath vs QRFast

The clearest difference is ads: Deep Breath at none against QRFast's shown. Deep Breath also leads on iOS requirement (15.1 vs 17.6). QRFast's advantage is update cadence (every 2 weeks vs every 2 months). On price, 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.

Deep Breath ships an update every 2 months, QRFast every 2 weeks. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Deep Breath | QRFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 44 MB | 72 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YCM PRODUCTS COMPANY LIMITED](https://appshunter.io/developer/1747453790) | [Fuzhou Yuhui Technology Co., Ltd.](https://appshunter.io/developer/6799855081) |

## What reviewers say

### Deep Breath

[App page](https://appshunter.io/ios/app/deep-breath-smart-space/id6756412306)

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

**In-app purchases:** none


### QRFast

[App page](https://appshunter.io/ios/app/qrfast-code-helper/id6799855079)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deep Breath free?

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

### Is QRFast free?

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

### Do Deep Breath or QRFast have ads?

QRFast shows ads; Deep Breath does not.

### Which is updated more often, Deep Breath or QRFast?

Deep Breath ships an update every 2 months, and QRFast every 2 weeks. Most recently, Deep Breath was updated on September 26, 2026 and QRFast on October 10, 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.*