# The Diamond Store Ring Sizer vs Ring Sizer App

The clearest difference is in-app purchases: The Diamond Store Ring Sizer at none against Ring Sizer App's 3. The Diamond Store Ring Sizer also leads on iOS requirement (13.0 vs 15.0). Ring Sizer App's advantage is update cadence (every 8 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer App sells 3 in-app purchases, starting at $1.99 per 7 days. The Diamond Store Ring Sizer asks for nothing beyond the download.

The Diamond Store Ring Sizer ships an update every 8 months, Ring Sizer App every 8 days. The most recent releases landed on September 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | The Diamond Store Ring Sizer | Ring Sizer App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 5 MB | 12 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TheDiamondStore.co.uk](https://appshunter.io/developer/981926075) | [Anul Agarwal](https://appshunter.io/developer/1515910661) |

## What reviewers say

### The Diamond Store Ring Sizer

[App page](https://appshunter.io/ios/app/the-diamond-store-ring-sizer/id972698219)

Easily determine ring sizes in UK, EU, or USA measurements using your phone. Simply place an existing ring on your screen and adjust a circle to match its inner diameter, perfect for keeping gifts a surprise.

**Highlights:** Accurate ring size measurement, Supports UK, EU, and USA sizing, Covers all sizes F-Z, Easy to use interface, Keeps gift purchases a surprise

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer App

[App page](https://appshunter.io/ios/app/ring-sizer-app-measure-ring/id6751404396)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is The Diamond Store Ring Sizer free?

The Diamond Store Ring Sizer is free to download, with no in-app purchases.

### Is Ring Sizer App free?

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

### Do The Diamond Store Ring Sizer or Ring Sizer App have ads?

Neither The Diamond Store Ring Sizer nor Ring Sizer App shows ads.

### Which is updated more often, The Diamond Store Ring Sizer or Ring Sizer App?

The Diamond Store Ring Sizer ships an update every 8 months, and Ring Sizer App every 8 days. Most recently, The Diamond Store Ring Sizer was updated on September 23, 2026 and Ring Sizer App on October 8, 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.*