# Ring Sizer vs LoopSize

The clearest difference is update cadence: Ring Sizer at every 2 weeks against LoopSize's every 3 months. Ring Sizer also leads on iOS requirement (16.0 vs 18.0). 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 $3.99 per 7 days and LoopSize sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ring Sizer ships an update every 2 weeks, LoopSize every 3 months. The most recent releases landed on June 4, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Ring Sizer | LoopSize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ring-sizer-sizerly/id6746245798/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 22 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dziyana Dashynevich](https://appshunter.io/developer/1815927618) | [Adriano Souza Costa](https://appshunter.io/developer/1741603125) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-sizerly/id6746245798)

Accurately determine your ring size using your phone's screen or a built-in ruler. Supports multiple international sizing standards and allows saving measurements for future use. Ideal for online shoppers and jewelers.

**Highlights:** Measure ring size via diameter or circumference, Supports US, UK, EU/ISO, AU, JP, CN, RU sizes, Built-in screen ruler for finger measurement, Save measurements for multiple users, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Annual Premium | $19.99 | per year |


### LoopSize

[App page](https://appshunter.io/ios/app/loopsize-ring-sizer-chart/id6749704116)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $0.99 | per month |
| Annual | $24.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Ring Sizer free?

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

### Is LoopSize free?

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

### Do Ring Sizer or LoopSize have ads?

Neither Ring Sizer nor LoopSize shows ads.

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

Ring Sizer ships an update every 2 weeks, and LoopSize every 3 months. Most recently, Ring Sizer was updated on June 4, 2026 and LoopSize on September 13, 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.*