# UMA Tune

> Tuning tools for UMA ECU

Canonical page: [https://chrome-stats.com/d/com.aracer.umatune](https://chrome-stats.com/d/com.aracer.umatune)

## Overview

- **ID:** `com.aracer.umatune`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** ARACER SPEEDTEK INC.
- **Category:** TOOLS
- **Downloads:** 120,877
- **Rating:** 3.00 / 5 (812 ratings)
- **Version:** UMATune6.8
- **Last updated:** 2024-07-17
- **First published:** 2018-08-29
- **Publisher country:** TW
- **Size:** 37 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.aracer.umatune)
- **Website:** [https://www.umaracing.com.my/](https://www.umaracing.com.my/)
- **Privacy policy:** [https://sites.google.com/view/terms-conditions-privac/%E9%A6%96%E9%A0%81?authuser=1](https://sites.google.com/view/terms-conditions-privac/%E9%A6%96%E9%A0%81?authuser=1)

## Description

UMA Tune is a powerful Chrome extension designed for comprehensive tuning of UMA Engine Control Units (ECU). It enables real-time engine numerical monitoring and recording, facilitating detailed analysis of engine performance. The extension supports fault code reading to quickly diagnose engine issues.

With UMA Tune, users can adjust vital engine control parameters such as base fuel, global fuel, accelerated fuel, ignition timing, engine idle settings, and more. It includes a log file analysis tool to interpret engine data effectively, and access to the QuickBurn Cloud Database enhances tuning capabilities with shared insights. Whether for professional mechanics or enthusiasts, UMA Tune provides reliable tools to optimize engine performance seamlessly.

## Rankings

- #203,226 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.BLUETOOTH`
- `android.permission.BLUETOOTH_ADMIN`
- `android.permission.BLUETOOTH_ADVERTISE`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.BLUETOOTH_SCAN`
- `android.permission.INTERNET`
- `android.permission.MOUNT_UNMOUNT_FILESYSTEMS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`

## Review summary

UMA Tune app provides useful ECU tuning and calibration tools with premium upgrade options. However, multiple users report frequent crashes, lost features after updates, repeated charges without refunds, and connectivity problems. The app often insists on an internet connection for purchase verification, frustrating paid users. Additionally, customer support is unresponsive to complaints. Although some appreciate occasional bug fixes and affordability compared to competitors, persistent reliability and service issues overshadow the positives.

### Pros

- App offers useful tuning and calibration features for motorcycles and ECUs.
- Premium upgrades unlock advanced functions like auto tune and calibration.
- Occasional updates have resolved issues like internet connectivity.
- Interface is generally easy to use according to some users.
- More affordable compared to competing tuning software.

### Cons

- App frequently crashes especially after updates, making it unusable.
- Upgraded features often disappear or require users to pay multiple times, leading to refund issues.
- App demands constant internet connection to verify purchases, even when subscription is active.
- Bluetooth and ECU connection issues prevent proper functionality.
- Poor customer service with no response to user complaints and refund requests.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.aracer.umatune)