# MobiPayPump vs Ring Sizer

The clearest difference is update cadence: Ring Sizer at every 2 months against MobiPayPump's every 24 months. MobiPayPump's advantage is iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MobiPayPump ships an update every 24 months, Ring Sizer every 2 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | MobiPayPump | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (10 ratings)](https://appshunter.io/ios/app/ring-sizer-measure-ring-size/id6654909479/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 71 MB | 10 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Infonet Technology Corporation](https://appshunter.io/developer/1446423869) | [Aliaksei Mikhailouski](https://appshunter.io/developer/1682692291) |

## What reviewers say

### MobiPayPump

[App page](https://appshunter.io/ios/app/mobipaypump/id1446423870)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-ring-size/id6654909479)

Accurately measure your finger or an existing ring directly from your smartphone. This tool supports multiple international sizing standards and provides easy-to-use visual guides for confident jewelry purchases.

**Highlights:** Measure finger or ring size, Supports international size standards, Easy visual guides, Save and share sizes, No tools required

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

**In-app purchases:** none


## Frequently asked questions

### Is MobiPayPump free?

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

### Is Ring Sizer free?

Ring Sizer is free to download, with no in-app purchases.

### Do MobiPayPump or Ring Sizer have ads?

Neither MobiPayPump nor Ring Sizer shows ads.

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

MobiPayPump ships an update every 24 months, and Ring Sizer every 2 months. Most recently, MobiPayPump was updated on October 26, 2026 and Ring Sizer on October 19, 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.*