# My KPAS vs Ring Sizer

The clearest difference is in-app purchases: My KPAS at none against Ring Sizer's 2. My KPAS also leads on iOS requirement (15.6 vs 18.6). Ring Sizer's advantage is update cadence (every 3 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $4.99 per 7 days. My KPAS asks for nothing beyond the download.

My KPAS ships an update every 6 weeks, Ring Sizer every 3 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | My KPAS | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ring-sizer-measuring-tool/id6759196779/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 120 MB | 9 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EASYDO DIGITAL TECHNOLOGIES S.R.L.](https://appshunter.io/developer/1675007154) | [Jack Oehling](https://appshunter.io/developer/1848598108) |

## What reviewers say

### My KPAS

[App page](https://appshunter.io/ios/app/my-kpas/id6445947913)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measuring-tool/id6759196779)

This app transforms your phone into a precision tool for measuring ring sizes and finger dimensions. It helps you find the perfect fit for jewelry, convert between international sizing standards, and save multiple measurements.

**Highlights:** Instant ring sizing, Finger length measurement, Global size conversion, Save and manage sizes, Precision digital caliper

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per 7 days |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is My KPAS free?

My KPAS is free to download, with no in-app purchases.

### Is Ring Sizer free?

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

### Do My KPAS or Ring Sizer have ads?

Neither My KPAS nor Ring Sizer shows ads.

### Which is updated more often, My KPAS or Ring Sizer?

My KPAS ships an update every 6 weeks, and Ring Sizer every 3 days. Most recently, My KPAS was updated on October 27, 2026 and Ring Sizer on October 28, 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.*