# Ring Sizer vs RingMeter

The clearest difference is update cadence: RingMeter at every 10 days against Ring Sizer's every 3 months. Ring Sizer's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $9.99 per 7 days and RingMeter sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ring Sizer ships an update every 3 months, RingMeter every 10 days. The most recent releases landed on September 7, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Ring Sizer | RingMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ring-sizer-finger-measure/id6759689480/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Subscription | — |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Wotaso GmbH](https://appshunter.io/developer/1850131192) | [ZHENGQIAO JIANG](https://appshunter.io/developer/1892168889) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-finger-measure/id6759689480)

Easily determine your ring size using your finger or an existing ring. Supports various international sizing systems to help you avoid ordering the wrong size. Measurement results are recommendations and should be verified before purchase.

**Highlights:** Measure finger size, Measure existing ring size, Supports international sizing systems (EU, US, UK), Quick and simple to use, Reduces ordering wrong ring sizes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro Weekly | $9.99 | per 7 days |
| Ring Sizer Pro Lifetime | $19.99 | one-time |


### 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 |


## Frequently asked questions

### Is Ring Sizer free?

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

### Is RingMeter free?

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

### Do Ring Sizer or RingMeter have ads?

Neither Ring Sizer nor RingMeter shows ads.

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

Ring Sizer ships an update every 3 months, and RingMeter every 10 days. Most recently, Ring Sizer was updated on September 7, 2026 and RingMeter on September 11, 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.*