# Ring Sizer vs Karat

The clearest difference is device support: Ring Sizer at 3 against Karat's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Ring Sizer sells 1 one-off in-app purchase and Karat sells 1 in-app purchase, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Ring Sizer | Karat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 62 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Romiick LLC](https://appshunter.io/developer/1716146475) | [Ugurcan Sevindik](https://appshunter.io/developer/6785262862) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-app/id6778289987)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro | $9.99 | one-time |


### Karat

[App page](https://appshunter.io/ios/app/karat-ring-sizer-and-measure/id6789923340)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Subscription | $5.99 | per 7 days |


## Frequently asked questions

### Is Ring Sizer free?

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

### Is Karat free?

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

### Do Ring Sizer or Karat have ads?

Neither Ring Sizer nor Karat 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.*