# VSG101 Setting vs Ultimate Unit Converter Pro

The clearest difference is update cadence: Ultimate Unit Converter Pro at every 3 days against VSG101 Setting's every 5 weeks. VSG101 Setting's advantage is iOS requirement (14.0 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.

VSG101 Setting ships an update every 5 weeks, Ultimate Unit Converter Pro every 3 days. The most recent releases landed on May 17, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | VSG101 Setting | Ultimate Unit Converter Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ultimate-unit-converter-pro/id6463096286/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | — | Free |
| Size | 5 MB | 1 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VITALSIGNS TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1394370436) | [Talal El Zeini](https://appshunter.io/developer/1521747288) |

## What reviewers say

### VSG101 Setting

[App page](https://appshunter.io/ios/app/vsg101-setting/id1661113038)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimate Unit Converter Pro

[App page](https://appshunter.io/ios/app/ultimate-unit-converter-pro/id6463096286)

This utility app provides a streamlined way to perform unit conversions quickly and efficiently. It's designed to be an essential tool for users who need to make calculations on the go. Elevate your conversion experience with this powerful application.

**Highlights:** Seamless unit conversion, Quick calculations, Efficient workflow, Essential utility tool, Pro-grade experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VSG101 Setting free?

VSG101 Setting is free to download, with no in-app purchases.

### Is Ultimate Unit Converter Pro free?

Ultimate Unit Converter Pro is free to download, with no in-app purchases.

### Do VSG101 Setting or Ultimate Unit Converter Pro have ads?

Neither VSG101 Setting nor Ultimate Unit Converter Pro shows ads.

### Which is updated more often, VSG101 Setting or Ultimate Unit Converter Pro?

VSG101 Setting ships an update every 5 weeks, and Ultimate Unit Converter Pro every 3 days. Most recently, VSG101 Setting was updated on May 17, 2026 and Ultimate Unit Converter Pro on June 10, 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.*