# MRX vs Fi2000

The clearest difference is update cadence: MRX at every 3 weeks against Fi2000's every 8 months. MRX also leads on iOS requirement (8.0 vs 14.7). 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.

MRX ships an update every 3 weeks, Fi2000 every 8 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MRX | Fi2000 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fi2000/id6449746293/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | — | Free |
| Size | 56 MB | 22 MB |
| Requires iOS | **8.0** | 14.7 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suthipoj tripuwabhrut](https://appshunter.io/developer/1445632800) | [Bryan Bench](https://appshunter.io/developer/1690364690) |

## What reviewers say

### MRX

[App page](https://appshunter.io/ios/app/mrx-quicktune/id1511688023)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 MRX free?

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

### Is Fi2000 free?

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

### Do MRX or Fi2000 have ads?

Neither MRX nor Fi2000 shows ads.

### Which is updated more often, MRX or Fi2000?

MRX ships an update every 3 weeks, and Fi2000 every 8 months. Most recently, MRX was updated on October 17, 2026 and Fi2000 on October 7, 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.*