# Ring Sizer vs DIAMETRO

The clearest difference is in-app purchases: DIAMETRO at none against Ring Sizer's 1. Ring Sizer's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Ring Sizer sells 1 one-off in-app purchase. DIAMETRO asks for nothing beyond the download.

## The numbers

| Metric | Ring Sizer | DIAMETRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 61 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abdeljalil Bouchfar](https://appshunter.io/developer/1866664061) | [ALEXANDRU TEODOR TRANDAFIR](https://appshunter.io/developer/6810555118) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-size-measure/id6806279549)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro Lifetime | $24.99 | one-time |


### DIAMETRO

[App page](https://appshunter.io/ios/app/diametro-ring-sizer/id6810555116)

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer free?

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

### Is DIAMETRO free?

DIAMETRO is free to download, with no in-app purchases.

### Do Ring Sizer or DIAMETRO have ads?

Neither Ring Sizer nor DIAMETRO shows ads.

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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.*