# International Ring Sizer vs Ring Sizer

The clearest difference is rating: Ring Sizer at 4.5 against International Ring Sizer's 3.5. Ring Sizer also leads on ads (none vs shown) and update cadence (every 4 months vs every 20 months). International Ring Sizer's advantage is in-app purchases (none vs 3). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ring Sizer sells 3 in-app purchases, starting at $3.99 per 7 days. International Ring Sizer asks for nothing beyond the download.

Ring Sizer holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Ring Sizer has 78 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 4 months. The most recent releases landed on September 28, 2026 and October 14, 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) | **[4.5 (78 ratings)](https://appshunter.io/ios/app/ring-sizer-measure-ring-size/id6477376330/reviews)** |
| Number of ratings | 2 | **78** |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Every 4 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 22 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) | [TECHISTIC LTD](https://appshunter.io/developer/1628067321) |

## 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-measure-ring-size/id6477376330)

Easily determine your precise ring size using your iPhone's camera. Get measurements in various units and international standards, with helpful guides and sharing options.

**Highlights:** Measure ring size with iPhone camera, Metric and imperial units, International ring size standards, Visual guides for accuracy, Save and share measurements, Includes ring sizing guide

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Measure Ring Size - Ring Sizer | $3.99 | per 7 days |
| Ring Sizer App: Ring Size Tool | $8.99 | per month |
| Ring Sizer Unlimited Access | $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 4.5 from 78 ratings.

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

International Ring Sizer shows ads; Ring Sizer does not.

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

International Ring Sizer ships an update every 20 months, and Ring Sizer every 4 months. Most recently, International Ring Sizer was updated on September 28, 2026 and Ring Sizer on October 14, 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.*