# QRt vs Ring Sizer

The clearest difference is update cadence: Ring Sizer at every 3 days against QRt's every 3 months. QRt's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. QRt sells 3 in-app purchases, starting at $1.99 per month and Ring Sizer sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

QRt ships an update every 3 months, Ring Sizer every 3 days. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | QRt | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/qrt-custom-qr-code-art-maker/id6739665904/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 47 MB | 9 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Heat Studio LLC](https://appshunter.io/developer/1766372656) | [Jack Oehling](https://appshunter.io/developer/1848598108) |

## What reviewers say

### QRt

[App page](https://appshunter.io/ios/app/qrt-custom-qr-code-art-maker/id6739665904)

Create visually stunning QR codes with custom colors, backgrounds, and AI-generated art. Scan any QR code, save your designs, and share them instantly. Personalize your links and profiles with unique QR art.

**Highlights:** Customizable QR code designs, AI-generated artwork backgrounds, Unlimited QR code scanning, Scan history tracking, Instant saving and sharing, Versatile use cases

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QRt Pro Membership - 1 Month | $1.99 | per month |
| QRt Pro Membership - 12 Months | $9.99 | per year |
| QRt Pro Membership - Unlimited | $19.99 | one-time |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measuring-tool/id6759196779)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per 7 days |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is QRt free?

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

### Is Ring Sizer free?

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

### Do QRt or Ring Sizer have ads?

Neither QRt nor Ring Sizer shows ads.

### Which is updated more often, QRt or Ring Sizer?

QRt ships an update every 3 months, and Ring Sizer every 3 days. Most recently, QRt was updated on June 1, 2026 and Ring Sizer on September 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.*