# Fuel Check vs KA Lithium

The clearest difference is price: KA Lithium at Free against Fuel Check's $0.99. KA Lithium also leads on update cadence (every 4 months vs every 31 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

KA Lithium is free to download; Fuel Check costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fuel Check ships an update every 31 months, KA Lithium every 4 months. The most recent releases landed on September 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Fuel Check | KA Lithium |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 4 months** |
| Size | 5 MB | 60 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stealth Productions Limited](https://appshunter.io/developer/571321895) | [Kickass Products Pvt Ltd](https://appshunter.io/developer/1387751158) |

## What reviewers say

### Fuel Check

[App page](https://appshunter.io/ios/app/fuel-check/id895607188)

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

**In-app purchases:** none


### KA Lithium

[App page](https://appshunter.io/ios/app/ka-lithium/id6480479006)

**In-app purchases:** none


## Frequently asked questions

### Is Fuel Check free?

Fuel Check costs $0.99, with no in-app purchases.

### Is KA Lithium free?

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

### Do Fuel Check or KA Lithium have ads?

Neither Fuel Check nor KA Lithium shows ads.

### Which is updated more often, Fuel Check or KA Lithium?

Fuel Check ships an update every 31 months, and KA Lithium every 4 months. Most recently, Fuel Check was updated on September 23, 2026 and KA Lithium 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.*