# ECUconnect vs ByteFlasher

The clearest difference is update cadence: ByteFlasher at monthly against ECUconnect's every 5 months. ByteFlasher also leads on iOS requirement (15.0 vs 18.2). 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.

ECUconnect ships an update every 5 months, ByteFlasher monthly. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ECUconnect | ByteFlasher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/byteflasher/id6745198835/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | — | Free |
| Size | 13 MB | 70 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TPE Europe GmbH](https://appshunter.io/developer/1561470951) | [Renovelo LLC](https://appshunter.io/developer/1811256567) |

## What reviewers say

### ECUconnect

[App page](https://appshunter.io/ios/app/ecuconnect/id6502191237)

**In-app purchases:** none


### ByteFlasher

[App page](https://appshunter.io/ios/app/byteflasher/id6745198835)

Unlock your vehicle's performance potential with this mobile tuning solution. Optimize horsepower, torque, and fuel efficiency wirelessly. Diagnose and clear engine trouble codes with ease.

**Highlights:** Stage 1 & Stage 2 Performance Tunes, Advanced Customization Options, Unlimited Tune Adjustments, Wireless OBD2 Connectivity, Read & Clear DTCs, Data-Driven Performance Tuning

**In-app purchases:** none


## Frequently asked questions

### Is ECUconnect free?

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

### Is ByteFlasher free?

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

### Do ECUconnect or ByteFlasher have ads?

Neither ECUconnect nor ByteFlasher shows ads.

### Which is updated more often, ECUconnect or ByteFlasher?

ECUconnect ships an update every 5 months, and ByteFlasher monthly. Most recently, ECUconnect was updated on October 4, 2026 and ByteFlasher on September 28, 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.*