# TuneBoss CDI

> TuneBoss CDI (iPhone/iPad app by FSR Technology Sdn Bhd.)

- Source: https://appshunter.io/ios/app/tuneboss-cdi/id6447420018 (this page in markdown: same URL + `.md`)
- Developer: [FSR Technology Sdn Bhd](https://appshunter.io/developer/1593810671)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 63 MB
- Languages: English
- Released: 2023-07-07
- Data updated: 2026-07-08
- User reviews in markdown: https://appshunter.io/ios/app/tuneboss-cdi/id6447420018/reviews.md

## What is TuneBoss CDI?

IMPORTANT: FOR ADVANCED USERS ONLY. USE AT OWN RISK.
Support provided for TuneBoss Authorized Tuning Centers Only.


This application requires a TuneBoss CDI unit (sold separately).


## Version history (last 5 releases)

### 0.4.2 — 2026-06-26

- fixed metermode always start in meter speed (default for CDI is GPS speed)
- now supports shiftboss auto sync after unlock

### 0.4.1 — 2026-05-21

migrate ios UIscene lifecycle

### 0.4.0 — 2026-05-09

fix indonesian CDI not appearing in device list

### 0.3.5 — 2026-03-26

- Added Crank Setting Screen
- Fixed rpm division is not correctly read after going back from meter mode if connected

### 0.3.4 — 2025-10-28

Hotfix 0.3.4

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## More apps by FSR Technology Sdn Bhd

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

All apps by FSR Technology Sdn Bhd: https://appshunter.io/developer/1593810671

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-08.*