# Ring Sizer vs Fast Mobile QR Code Scanner

Ring Sizer and Fast Mobile QR Code Scanner both sit at 4.5 stars, but that hides the real split: 67% of Fast Mobile QR Code Scanner's written reviews are positive against 0% of Ring Sizer's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Ring Sizer sells 4 in-app purchases, starting at $6.99 per 7 days and Fast Mobile QR Code Scanner sells 1 in-app purchase, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Ring Sizer against 4.6 for Fast Mobile QR Code Scanner. Both are backed by a comparable volume of ratings — 22 and 35 respectively. Written reviews are what separate them: 0% of Ring Sizer's written reviews are positive against 67% of Fast Mobile QR Code Scanner's.

Ring Sizer ships an update every 2 days, Fast Mobile QR Code Scanner daily. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Ring Sizer | Fast Mobile QR Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (22 ratings)](https://appshunter.io/ios/app/ring-sizer-measuring-tool-app/id6476114277/reviews) | **[4.6 (35 ratings)](https://appshunter.io/ios/app/fast-mobile-qr-code-scanner/id6736392452/reviews)** |
| Number of ratings | 22 | **35** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Francis Flores](https://appshunter.io/developer/1783813786) | [Ronald Starkel](https://appshunter.io/developer/1771820736) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measuring-tool-app/id6476114277)

Easily determine your precise ring size with this user-friendly tool. Avoid guesswork and ensure a perfect fit for your next ring purchase, whether for yourself or a gift.  It simplifies the sizing process for accurate results.

**Highlights:** Effortless ring size gauging, Guarantees a flawless fit, User-friendly experience, Precise measurement, Simplifies sizing process

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Size Gauge & Measurement | $6.99 | per 7 days |
| Ring Size Gauge & Measurement | $6.99 | per 7 days |
| Ring Sizer App: Measuring Tool | $19.99 | per month |
| Ring Size Gauge & Measurement | $39.99 | per year |


### Fast Mobile QR Code Scanner

[App page](https://appshunter.io/ios/app/fast-mobile-qr-code-scanner/id6736392452)

Scan and create QR codes and barcodes for various purposes, including websites, contacts, and event tickets. Features include fast performance, a user-friendly interface, and a history log to track your scans. Unlock full functionality with an auto-renewable subscription.

**Highlights:** Scan QR codes and barcodes, Generate custom QR codes and barcodes, History management, Fast performance, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day trial then 6.99$/week | $6.99 | per 7 days |


## Frequently asked questions

### Is Ring Sizer free?

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

### Is Fast Mobile QR Code Scanner free?

Fast Mobile QR Code Scanner is free to download, with in-app purchases available.

### Which has better reviews, Ring Sizer or Fast Mobile QR Code Scanner?

Fast Mobile QR Code Scanner is rated higher. Ring Sizer averages 4.5 out of 5 from 22 ratings, while Fast Mobile QR Code Scanner averages 4.6 from 35 ratings.

### Do Ring Sizer or Fast Mobile QR Code Scanner have ads?

Neither Ring Sizer nor Fast Mobile QR Code Scanner shows ads.

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

Ring Sizer ships an update every 2 days, and Fast Mobile QR Code Scanner daily. Most recently, Ring Sizer was updated on September 9, 2026 and Fast Mobile QR Code Scanner on September 21, 2026.

---

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