# Ring Sizer & Ruler vs Ring Sizer

The clearest difference is update cadence: Ring Sizer at every 4 weeks against Ring Sizer & Ruler's every 2 months. Ring Sizer & Ruler's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ring Sizer & Ruler sells 4 in-app purchases, starting at $9.99 per 7 days and Ring Sizer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Ring Sizer & Ruler ships an update every 2 months, Ring Sizer every 4 weeks. Both last shipped on September 8, 2026.

## The numbers

| Metric | Ring Sizer & Ruler | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 46 MB | 62 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [VAST FLOW, TOO](https://appshunter.io/developer/1754861329) | [Romiick LLC](https://appshunter.io/developer/1716146475) |

## What reviewers say

### Ring Sizer & Ruler

[App page](https://appshunter.io/ios/app/ring-sizer-and-ruler-mesurix/id6776475871)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly \| Mesurix Pro | $9.99 | per 7 days |
| Yearly \| Mesurix Pro | $39.99 | per year |
| Lifetime Access | $14.99 | one-time |
| Mesurix Pro Lifetime | $29.99 | one-time |


### 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 |


## Frequently asked questions

### Is Ring Sizer & Ruler free?

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

### Is Ring Sizer free?

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

### Do Ring Sizer & Ruler or Ring Sizer have ads?

Neither Ring Sizer & Ruler nor Ring Sizer shows ads.

### Which is updated more often, Ring Sizer & Ruler or Ring Sizer?

Ring Sizer & Ruler ships an update every 2 months, and Ring Sizer every 4 weeks. Most recently, Ring Sizer & Ruler was updated on September 8, 2026 and Ring Sizer on September 8, 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.*