TuneBoss ECU

FSR Technology Productivity iPhoneiPadiPod touch

TuneBoss ECU is a free Productivity app for iPhone and iPad by FSR Technology. Rated 3.5/5 from 2 ratings. Requires iOS 15.0. Updated October 20, 2026.

Rating: 3.5; 2 ratings
Price: Free; on the App Store
Size: 66 MB; Age 4+
Updated: Oct 20; 2026 · v1.5.6

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Screenshots

About TuneBoss ECU

IMPORTANT: FOR ADVANCED USERS ONLY. USE AT OWN RISK. Support provided for TuneBoss Authorized Tuning Centers Only. This application requires a 2022 manufactured (and above) TuneBoss ECU unit (sold separately)

What’s new

Version 1.5.6 · Updated October 20, 2026

ECU 1.5.6 RC2 Changelog What's Fixed/Maintained/Added support - Fix All Rank display issue - Update tuning table selection and drag behavior for tuning screens - Fix GPS background lifecycle and foreground service behavior for Android tracking - Improve trip timeline playback timing selection - Persist user-selected playback speed per trip - Adjust playback presets to a wider range: 1x, 4x, 8x, 16x, 32x, 48x, 64x - Added Tuneboss Alpha support

App privacy

The developer, FSR Technology, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Diagnostics: Crash Data

Used for: Analytics, App Functionality

App details

TuneBoss ECU is a free Productivity app for iPhone, iPad and iPod touch, developed by FSR Technology. It is rated 3.5 out of 5 from 2 ratings on the App Store, requires iOS 15.0 or later and is 66 MB to download. It was first released on March 28, 2023 and last updated on October 20, 2026.

Category: Productivity
Rating: 3.5 / 5 (2 ratings)
Price: Free
Version: 1.5.6
Size: 66 MB
Requires: iOS 15.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: March 28, 2023
Last updated: October 20, 2026
Developer: FSR Technology

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Looking for apps like TuneBoss ECU? Here are 6 similar apps on the App Store. The highest rated is xHP Flashtool (4.9/5), and all 6 are free to download.

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