# TuneBoss ECU vs PayBreeze

TuneBoss ECU and PayBreeze are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

TuneBoss ECU ships an update every 2 weeks, PayBreeze every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TuneBoss ECU | PayBreeze |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/tuneboss-ecu/id1593810669/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 40.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 66 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FSR Technology](https://appshunter.io/developer/1593810671) | [GILES TRISTRAM A GREENSMITH](https://appshunter.io/developer/6786190443) |

## What reviewers say

### TuneBoss ECU

[App page](https://appshunter.io/ios/app/tuneboss-ecu/id1593810669)

This application is for advanced users and requires a specific TuneBoss ECU unit (sold separately). It is designed for use with authorized tuning centers and comes with a disclaimer for use at your own risk.

**Highlights:** Requires TuneBoss ECU unit, For advanced users, Support for authorized tuning centers, Use at own risk disclaimer

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

**In-app purchases:** none


### PayBreeze

[App page](https://appshunter.io/ios/app/paybreeze/id6786190441)

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

**In-app purchases:** none


## Frequently asked questions

### Is TuneBoss ECU free?

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

### Is PayBreeze free?

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

### Do TuneBoss ECU or PayBreeze have ads?

Neither TuneBoss ECU nor PayBreeze shows ads.

### Which is updated more often, TuneBoss ECU or PayBreeze?

TuneBoss ECU ships an update every 2 weeks, and PayBreeze every 3 weeks. Most recently, TuneBoss ECU was updated on October 24, 2026 and PayBreeze on October 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.*