# QR Mastery vs ContractShield

The clearest difference is iOS requirement: ContractShield at 17.0 against QR Mastery's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QR Mastery sells 3 in-app purchases, starting at $9.99 per 7 days and ContractShield sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | QR Mastery | ContractShield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (53 ratings)](https://appshunter.io/ios/app/qr-mastery/id6757982998/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [WARESOUL](https://appshunter.io/developer/1859178273) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### QR Mastery

[App page](https://appshunter.io/ios/app/qr-mastery/id6757982998)

Instantly scan and create custom QR codes for various purposes. This app supports barcode scanning, offers a scan history, and allows for gallery imports. Personalize your experience with beautiful themes and unlock premium features for an enhanced QR code management solution.

**Highlights:** Instant QR code scanning, Barcode format support, Custom QR code creation, Scan history tracking, Gallery image import, App theme customization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $9.99 | per 7 days |
| Premium Monthly | $19.99 | per month |
| Premium Yearly | $24.90 | per year |


### ContractShield

[App page](https://appshunter.io/ios/app/contractshield/id6763211159)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ContractShield Pro Monthly | $7.99 | per month |
| ContractShield Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is QR Mastery free?

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

### Is ContractShield free?

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

### Do QR Mastery or ContractShield have ads?

Neither QR Mastery nor ContractShield shows ads.

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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.*