# RingMeter vs Ring Sizer

The clearest difference is in-app purchases: Ring Sizer at none against RingMeter's 4. Ring Sizer also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RingMeter sells 4 in-app purchases, starting at $1.99 per 7 days. Ring Sizer asks for nothing beyond the download.

RingMeter ships an update every 10 days, Ring Sizer every 2 weeks. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RingMeter | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 2 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZHENGQIAO JIANG](https://appshunter.io/developer/1892168889) | [Yaroslav Trofimov](https://appshunter.io/developer/1851395994) |

## What reviewers say

### RingMeter

[App page](https://appshunter.io/ios/app/ringmeter-ring-size-finder/id6767339352)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $79.99 | one-time |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-ruler/id6793472743)

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

**In-app purchases:** none


## Frequently asked questions

### Is RingMeter free?

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

### Is Ring Sizer free?

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

### Do RingMeter or Ring Sizer have ads?

Neither RingMeter nor Ring Sizer shows ads.

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

RingMeter ships an update every 10 days, and Ring Sizer every 2 weeks. Most recently, RingMeter was updated on September 11, 2026 and Ring Sizer on September 20, 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.*