# QR Code Reader vs Contraction Timer

The clearest difference is device support: QR Code Reader at 4 against Contraction Timer's 2. QR Code Reader also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. QR Code Reader sells 2 in-app purchases, starting at $5.99 per 7 days and Contraction Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

QR Code Reader ships an update every 4 weeks, Contraction Timer every 3 weeks. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | QR Code Reader | Contraction Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 59 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DEVSRANK](https://appshunter.io/developer/1716669578) | [SALEH MUSTAFA](https://appshunter.io/developer/1875062603) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-scaniq/id6757142175)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Scanner Weekly | $5.99 | per 7 days |
| QR Scanner Yearly | $29.99 | per year |


### Contraction Timer

[App page](https://appshunter.io/ios/app/contraction-timer-wavely/id6759206862)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wavely Premium | $2.99 | one-time |


## Frequently asked questions

### Is QR Code Reader free?

QR Code Reader is free to download, with in-app purchases available.

### Is Contraction Timer free?

Contraction Timer is free to download, with in-app purchases available.

### Do QR Code Reader or Contraction Timer have ads?

Neither QR Code Reader nor Contraction Timer shows ads.

### Which is updated more often, QR Code Reader or Contraction Timer?

QR Code Reader ships an update every 4 weeks, and Contraction Timer every 3 weeks. Most recently, QR Code Reader was updated on October 3, 2026 and Contraction Timer on September 27, 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.*