# International Ring Sizer vs Ring Sizer

The clearest difference is rating: Ring Sizer at 4.4 against International Ring Sizer's 3.5. Ring Sizer also leads on update cadence (every 2 months vs every 20 months) and ratings volume (73 vs 2). International Ring Sizer's advantage is in-app purchases (none vs 6) and review sentiment (44% vs 33%). 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 $1.99 per 7 days. International Ring Sizer asks for nothing beyond the download.

Ring Sizer holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: Ring Sizer has 73 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 44% of International Ring Sizer's written reviews are positive against 33% of Ring Sizer's, so the app with the better star average is not the one people write more warmly about.

International Ring Sizer ships an update every 20 months, Ring Sizer every 2 months. The most recent releases landed on September 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | International Ring Sizer | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/international-ring-sizer/id1378100751/reviews) | **[4.4 (73 ratings)](https://appshunter.io/ios/app/ring-sizer-size-measure-app/id1644578569/reviews)** |
| Number of ratings | 2 | **73** |
| Positive reviews | **44.4% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 55 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Red Detour, LLC](https://appshunter.io/developer/1378100750) | [Andrei Nemtsou](https://appshunter.io/developer/1612416096) |

## What reviewers say

### International Ring Sizer

[App page](https://appshunter.io/ios/app/international-ring-sizer/id1378100751)

Measure your ring size accurately using an existing ring. This utility helps you find the perfect fit without needing a physical sizer. Ideal for online jewelry purchases.

**Highlights:** Measure ring size with existing rings, Accurate sizing for online purchases, Simple and intuitive interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-size-measure-app/id1644578569)

Easily determine your ring size using your phone's screen. Simply place a ring on the designated area and adjust the slider to match its inner edges. The app then displays your ring size in various international formats.

**Highlights:** Measure ring size on screen, Adjustable slider for precise fit, Multiple international size formats (US, AU/GB, EU/ISO, JP/CN), In-app ruler for inches and mm

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Premium | $1.99 | per 7 days |
| Premium Weekly | $3.99 | per 7 days |
| Ring Sizer | $4.99 | per month |
| Annual One-Time | $7.99 | per year |
| Ring Sizer | $9.99 | per year |
| Lifetime Premium | $19.99 | one-time |


## Frequently asked questions

### Is International Ring Sizer free?

International Ring Sizer is free to download, with no in-app purchases.

### Is Ring Sizer free?

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

### Which has better reviews, International Ring Sizer or Ring Sizer?

Ring Sizer is rated higher. International Ring Sizer averages 3.5 out of 5 from 2 ratings, while Ring Sizer averages 4.4 from 73 ratings.

### Do International Ring Sizer or Ring Sizer have ads?

Both International Ring Sizer and Ring Sizer show ads.

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

International Ring Sizer ships an update every 20 months, and Ring Sizer every 2 months. Most recently, International Ring Sizer was updated on September 28, 2026 and Ring Sizer on October 12, 2026.

---

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