# International Ring Sizer vs Ring sizer

The clearest difference is review sentiment: Ring sizer at 64% against International Ring Sizer's 44%. Ring sizer also leads on rating (3.7 vs 3.5) and update cadence (every 8 months vs every 20 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ring sizer holds the better App Store score, 3.7 against 3.5. That said, the two scores are not equally well evidenced: Ring sizer has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 44% of International Ring Sizer's written reviews are positive against 64% of Ring sizer's.

International Ring Sizer ships an update every 20 months, Ring sizer every 8 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) | **[3.7 (13 ratings)](https://appshunter.io/ios/app/ring-sizer-unit-convertor/id1566103820/reviews)** |
| Number of ratings | 2 | **13** |
| Positive reviews | 44.4% of reviews | **64.1% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 20 months | **Every 8 months** |
| Monetization | Ad-supported | Ad-supported |
| Size | 6 MB | 48 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Red Detour, LLC](https://appshunter.io/developer/1378100750) | [Regent Branding Ltd](https://appshunter.io/developer/1128207635) |

## 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-unit-convertor/id1566103820)

Easily determine your accurate ring size and convert between international sizing standards. This tool helps you find the perfect fit for any ring, avoiding the frustration of ill-fitting jewelry. Save your sizes and compare them effortlessly.

**Highlights:** Accurate ring and finger size measurement, Convert between international ring size standards (US, UK, EU), Simple and easy-to-use interface, Supports a wide range of ring sizes, Save and compare ring sizes, Unit conversion functionality

**Features:** Vision Pro support

**In-app purchases:** none


## 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 no in-app purchases.

### 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 3.7 from 13 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 8 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.*