# International Ring Sizer vs Ring Sizer+

The clearest difference is rating: Ring Sizer+ at 4.0 against International Ring Sizer's 3.5. Ring Sizer+ also leads on ratings volume (12 vs 2). International Ring Sizer's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ring Sizer+ sells 3 in-app purchases, starting at $4.99 per month. International Ring Sizer asks for nothing beyond the download.

Ring Sizer+ holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: Ring Sizer+ has 12 ratings behind it against 2, so its average is the more settled of the two.

International Ring Sizer ships an update every 20 months, Ring Sizer+ every 23 months. The most recent releases landed on September 28, 2026 and October 3, 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) | **[4.0 (12 ratings)](https://appshunter.io/ios/app/ring-sizer-plus/id6449985641/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 20 months** | Every 23 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Red Detour, LLC](https://appshunter.io/developer/1378100750) | [Arda Sen](https://appshunter.io/developer/1670665250) |

## 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-plus/id6449985641)

Effortlessly measure rings, jewelry, and other objects with precision using visual cues and a digital ruler. Supports global sizing standards and stores measurement history for convenience. Ensures a perfect fit for your precious items.

**Highlights:** Seamless measurement experience, Versatile digital ruler, Global size support, Perfect fit guarantee, Measurement history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Yearly Subscription | $29.99 | per year |


## 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 4.0 from 12 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 23 months. Most recently, International Ring Sizer was updated on September 28, 2026 and Ring Sizer+ on October 3, 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.*