# QR Code Reader、Barcode Scanner vs Ring Sizer

The clearest difference is in-app purchases: QR Code Reader、Barcode Scanner at none against Ring Sizer's 6. Ring Sizer's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (13.4 vs 15.5). 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 Reader、Barcode Scanner asks for nothing beyond the download.

QR Code Reader、Barcode Scanner ships an update every 2 months, Ring Sizer every 4 days. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | QR Code Reader、Barcode Scanner | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/qr-code-readerbarcode-scanner/id6471344894/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 76 MB | 46 MB |
| Requires iOS | 15.5 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Md Sajedur Rahaman](https://appshunter.io/developer/1586019019) | [Fabrizio Beccaceci](https://appshunter.io/developer/1772065340) |

## What reviewers say

### QR Code Reader、Barcode Scanner

[App page](https://appshunter.io/ios/app/qr-code-readerbarcode-scanner/id6471344894)

Easily scan and generate QR codes and barcodes for various information types like Wi-Fi, websites, and text. Save your scan history and share codes instantly via popular social media and email platforms. Supports low-light scanning with a flashlight.

**Highlights:** Scan QR Codes & Barcodes, Create QR Codes & Barcodes, Flashlight support for low-light, Automatic scan history, Share codes via email and social media, Import images for scanning

**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 Reader、Barcode Scanner free?

QR Code Reader、Barcode Scanner 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 Reader、Barcode Scanner or Ring Sizer have ads?

Neither QR Code Reader、Barcode Scanner nor Ring Sizer shows ads.

### Which is updated more often, QR Code Reader、Barcode Scanner or Ring Sizer?

QR Code Reader、Barcode Scanner ships an update every 2 months, and Ring Sizer every 4 days. Most recently, QR Code Reader、Barcode Scanner was updated on September 28, 2026 and Ring Sizer on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*