# Fuelpak FP4 vs Fi2000

The clearest difference is rating: Fi2000 at 5.0 against Fuelpak FP4's 1.8. Fi2000 also leads on iOS requirement (14.7 vs 26.0). Fuelpak FP4's advantage is update cadence (monthly vs every 8 months) and ratings volume (59 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Fi2000 holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: Fuelpak FP4 has 59 ratings behind it against 3, so its average is the more settled of the two.

Fuelpak FP4 ships an update monthly, Fi2000 every 8 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Fuelpak FP4 | Fi2000 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (59 ratings)](https://appshunter.io/ios/app/fuelpak-fp4/id1513978426/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fi2000/id6449746293/reviews)** |
| Number of ratings | **59** | 3 |
| Positive reviews | 11.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | Free | Free |
| Size | 12 MB | 22 MB |
| Requires iOS | 26.0 | **14.7** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vance & Hines](https://appshunter.io/developer/786747328) | [Bryan Bench](https://appshunter.io/developer/1690364690) |

## 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


### Fi2000

[App page](https://appshunter.io/ios/app/fi2000/id6449746293)

Control your motorcycle's fuel injection system with this app. Monitor RPM, adjust fuel delivery, and evaluate injector duty cycle in real-time for optimal performance. Requires pairing with a compatible tuner and motorcycle.

**Highlights:** Real-time RPM monitoring, Fuel adjustment (add/remove), Injector duty cycle evaluation, Module pairing, Maximum efficiency assessment

**In-app purchases:** none


## Frequently asked questions

### Is Fuelpak FP4 free?

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

### Is Fi2000 free?

Fi2000 is free to download, with no in-app purchases.

### Which has better reviews, Fuelpak FP4 or Fi2000?

Fi2000 is rated higher. Fuelpak FP4 averages 1.8 out of 5 from 59 ratings, while Fi2000 averages 5.0 from 3 ratings.

### Do Fuelpak FP4 or Fi2000 have ads?

Neither Fuelpak FP4 nor Fi2000 shows ads.

### Which is updated more often, Fuelpak FP4 or Fi2000?

Fuelpak FP4 ships an update monthly, and Fi2000 every 8 months. Most recently, Fuelpak FP4 was updated on November 3, 2026 and Fi2000 on November 3, 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.*