# ION Partner vs Ring Sizer

The clearest difference is in-app purchases: ION Partner at none against Ring Sizer's 2. ION Partner also leads on iOS requirement (12.0 vs 15.0). Ring Sizer's advantage is device support. On price there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $1.99 per 7 days. ION Partner asks for nothing beyond the download.

## The numbers

| Metric | ION Partner | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 months |
| Size | 43 MB | 10 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ION MICRO SYSTEMS CO.LTD](https://appshunter.io/developer/1486291877) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### ION Partner

[App page](https://appshunter.io/ios/app/ion-partner/id6541750811)

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-iring/id6746928106)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly premium | $1.99 | per 7 days |
| Ring Sizer Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is ION Partner free?

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

### Is Ring Sizer free?

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

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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.*