QR Code vs Ring Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QR Code
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.
- 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
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QR Code Reader is the fastest and most user-friendly QR code scanner available. If your iPhone, iPad, or iPod came with a built-in scanner, this would be it. This app support both barcodes and QR codes, which encode URLs, contact details, emails, or any kind of data. You can also easily generate your own QR code. How to use: 1. Open the scanner 2. Point the camera to the QR code/barcode 3. Auto recognize, scan and decode 4. Get results and relevant options When scanning a QR code, if the code contains a website URL, you will automatically be taken to the site. If the code just contains text, you'll immediately see it. For other formats such as phone numbers, email addresses, or contact info, you will be prompted to take the appropriate action. Features: - For iPhone, iPod touch, and iPad. - Instant Scan. - Unlimited storage for scan history. - Create your own QR Codes. - Auto decode all types of QR codes: contact details, plain text, website URL, telephone number, SMS message, email address, locations... - Scan Barcodes & QR codes from photos in your Photo Roll. - Perform all the actions related to the QR code without quitting the app. - Flashlight supported for low light environment. - Open web links and map locations directly in the app. - Share by mail and text message. Enjoy!
Ring Sizer
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RingSizer: Find Your Perfect Ring Size Instantly! With our ringfitter tool finding the right ring size has never been easier! With RingSizer, you can quickly measure your finger and convert ring sizes across different countries in just a few taps. Whether you're shopping for yourself or buying a gift, our app ensures you get the perfect fit every time. Features: Accurate Ring Measurement: Easily measure your ring size using your phone and get precise results. Country Size Conversion: Instantly convert ring sizes between US, UK, EU, Japan, and more! Simple & Intuitive: Designed for ease of use, making it ideal for anyone looking to buy rings online or in stores. Works Offline: No internet? No problem! Use RingSizer anywhere, anytime. Why Choose RingSizer? Avoid costly returns and resizing fees. Perfect for buying rings for yourself or loved ones across the globe. Download RingSizer - Your Ring size! now and make sure every ring fits just right! A premium subscription is required to unlock all the features of the app. The subscription payments will be charged to the App Store account upon purchase confirmation. Subscriptions automatically renew and will be charged unless auto-renewal is turned off at least 24 hours before the end of the free trial period. Any unused portion of the free trial period will be forfeited upon purchasing a premium subscription during the free trial. The renewal cost depends on the chosen subscription plan. Term Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | QR Code | Ring Sizer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (26 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 22 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | 海文 王 | Fabrizio Beccaceci |
In-app purchases
QR Code
No in-app purchases
Ring Sizer
- Ring Sizer Pro3 Days trial$2.997 Days
- Ring Sizer Pro$5.991 Month
- Ring Sizer Pro$6.991 Month
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- Ring Sizer Pro$29.991 Year
- RingSizer Lifetime$14.99
- RingSizer Lifetime$39.99









