# MCS Fuel vs KST ONE

The clearest difference is update cadence: KST ONE at monthly against MCS Fuel's every 5 months. MCS Fuel's advantage is iOS requirement (16.0 vs 18.6). 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.

MCS Fuel ships an update every 5 months, KST ONE monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MCS Fuel | KST ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mcs-fuel/id6451250627/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 42 MB | 71 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Multiple Card Systems](https://appshunter.io/developer/1349351095) | [Netquas Softech](https://appshunter.io/developer/1566509801) |

## What reviewers say

### MCS Fuel

[App page](https://appshunter.io/ios/app/mcs-fuel/id6451250627)

This app facilitates secure, app-based fueling for a specific fuel and fluid management system. It allows users to identify vehicles via a dropdown or QR code scan, set fueling quantities, and receive a summary upon completion.

**Highlights:** App-based fueling, Vehicle identification, QR code scanning, Fuel quantity setting, Fuelling summary

**Features:** Vision Pro support

**In-app purchases:** none


### KST ONE

[App page](https://appshunter.io/ios/app/kst-one/id6748584763)

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

**In-app purchases:** none


## Frequently asked questions

### Is MCS Fuel free?

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

### Is KST ONE free?

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

### Do MCS Fuel or KST ONE have ads?

Neither MCS Fuel nor KST ONE shows ads.

### Which is updated more often, MCS Fuel or KST ONE?

MCS Fuel ships an update every 5 months, and KST ONE monthly. Most recently, MCS Fuel was updated on November 3, 2026 and KST ONE on October 30, 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.*