# Fuelpak FP4 vs 4K5 LightControl

The clearest difference is update cadence: Fuelpak FP4 at monthly against 4K5 LightControl's every 20 months. 4K5 LightControl's advantage is iOS requirement (15.6 vs 26.0). 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.

Fuelpak FP4 ships an update monthly, 4K5 LightControl every 20 months. The most recent releases landed on September 17, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Fuelpak FP4 | 4K5 LightControl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (54 ratings)](https://appshunter.io/ios/app/fuelpak-fp4/id1513978426/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 11.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 20 months |
| Monetization | Free | — |
| Size | 12 MB | 1 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [V&H Performance, LLC](https://appshunter.io/developer/786747328) | [UMAREX GmbH & Co. KG](https://appshunter.io/developer/1612070609) |

## What reviewers say

### Fuelpak FP4

[App page](https://appshunter.io/ios/app/fuelpak-fp4/id1513978426)

Optimize your motorcycle's performance by tuning it directly from your iPhone. This app allows you to flash custom maps, monitor live sensor data, and diagnose engine issues. It's designed to work with specific hardware to unlock your bike's full potential.

**Highlights:** Flash dyno-tuned maps, View live sensor data, Read/clear diagnostic codes, Revert to stock settings, Access support videos

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Wakes up the bike
- 👍 Good for stage 1 tuning
- 👍 Works fine on iOS

**What reviewers complain about**

- 🐛 Bluetooth connection issues
- 🐛 App crashes frequently
- 🐛 Unreliable sensor data
- 🐛 Lack of features compared to FP3
- 🐛 Compatibility issues with older bikes

**Reported bugs**

- App freezes during firmware updates
- Unable to apply auto-tune mapping
- Incorrect bike information displayed
- Disconnects frequently during use

**Requested features**

- More exhaust and intake options
- Improved Bluetooth stability
- Throttle sensitivity adjustment
- Speedometer calibration
- Cruise control integration


### 4K5 LightControl

[App page](https://appshunter.io/ios/app/4k5-lightcontrol/id1612070607)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fuelpak FP4 free?

Fuelpak FP4 is free to download, with no in-app purchases.

### Is 4K5 LightControl free?

4K5 LightControl is free to download, with no in-app purchases.

### Do Fuelpak FP4 or 4K5 LightControl have ads?

Neither Fuelpak FP4 nor 4K5 LightControl shows ads.

### Which is updated more often, Fuelpak FP4 or 4K5 LightControl?

Fuelpak FP4 ships an update monthly, and 4K5 LightControl every 20 months. Most recently, Fuelpak FP4 was updated on September 17, 2026 and 4K5 LightControl on June 11, 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.*