# QR Code vs Ring Sizer

The clearest difference is in-app purchases: QR Code at none against Ring Sizer's 6. QR Code also leads on iOS requirement (9.0 vs 13.4). Ring Sizer's advantage is update cadence (every 4 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer sells 6 in-app purchases, starting at $2.99 per 7 days. QR Code asks for nothing beyond the download.

QR Code ships an update every 4 months, Ring Sizer every 4 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | QR Code | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (26 ratings)](https://appshunter.io/ios/app/qr-code-qr-reader-and-scanner/id1180506724/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 22 MB | 46 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海文 王](https://appshunter.io/developer/380479150) | [Fabrizio Beccaceci](https://appshunter.io/developer/1772065340) |

## What reviewers say

### QR Code

[App page](https://appshunter.io/ios/app/qr-code-qr-reader-and-scanner/id1180506724)

This app quickly scans and decodes QR codes and barcodes, supporting various data types like URLs, contacts, and plain text. It also allows users to generate their own QR codes and manage scan history.

**Highlights:** Instant QR code and barcode scanning, Generate custom QR codes, Scan from photos, Unlimited scan history, Auto-decode various data types, Directly open web links and map locations

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-your-ring-size/id6736466968)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro | $2.99 | per 7 days |
| Ring Sizer Pro | $5.99 | per month |
| Ring Sizer Pro | $6.99 | per month |
| Ring Sizer Pro | $29.99 | per year |
| RingSizer Lifetime | $14.99 | one-time |
| RingSizer Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is QR Code free?

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

### Is Ring Sizer free?

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

### Do QR Code or Ring Sizer have ads?

Neither QR Code nor Ring Sizer shows ads.

### Which is updated more often, QR Code or Ring Sizer?

QR Code ships an update every 4 months, and Ring Sizer every 4 days. Most recently, QR Code was updated on October 14, 2026 and Ring Sizer on October 2, 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.*