# RFECU Performance 2.0 vs KOSO Magic

The clearest difference is price: KOSO Magic at Free against RFECU Performance 2.0's $26.99. RFECU Performance 2.0's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

KOSO Magic is free to download; RFECU Performance 2.0 costs $26.99 up front. KOSO Magic sells 4 one-off in-app purchases. RFECU Performance 2.0 asks for nothing beyond the download.

RFECU Performance 2.0 ships an update every 6 weeks, KOSO Magic every 3 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RFECU Performance 2.0 | KOSO Magic |
| --- | --- | --- |
| Price | $26.99 | **Free** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 14 MB | 110 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Release Force Limited Company](https://appshunter.io/developer/1326034139) | [Tong Yah Electronic Technology Co., Ltd.](https://appshunter.io/developer/1050103913) |

## What reviewers say

### RFECU Performance 2.0

[App page](https://appshunter.io/ios/app/rfecu-performance-20/id1456714022)

Connects to your motorcycle's engine computer via Bluetooth to adjust fuel injection, ignition timing, and O2 sensor range. Offers quick mode switching, displays and clears diagnostic trouble codes, and provides real-time engine parameter monitoring with historical data analysis.

**Highlights:** Bluetooth engine connection, Fuel injection adjustment, Ignition timing control, O2 sensor range settings, Quick mode switching, Diagnostic trouble code display and clearing, Real-time engine parameter monitoring, Historical data analysis

**In-app purchases:** none


### KOSO Magic

[App page](https://appshunter.io/ios/app/koso-magic/id6444849232)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 KOSO COINS | $0.99 | one-time |
| 60 KOSO COINS | $1.99 | one-time |
| 120 KOSO COINS | $3.99 | one-time |
| 240 KOSO COINS | $6.99 | one-time |


## Frequently asked questions

### Is RFECU Performance 2.0 free?

RFECU Performance 2.0 costs $26.99, with no in-app purchases.

### Is KOSO Magic free?

KOSO Magic is free to download, with in-app purchases available.

### Do RFECU Performance 2.0 or KOSO Magic have ads?

Neither RFECU Performance 2.0 nor KOSO Magic shows ads.

### Which is updated more often, RFECU Performance 2.0 or KOSO Magic?

RFECU Performance 2.0 ships an update every 6 weeks, and KOSO Magic every 3 weeks. Most recently, RFECU Performance 2.0 was updated on October 2, 2026 and KOSO Magic on October 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.*