# Cold Track - 콜드트랙

> The Cold Track app uploads the temperature data of the M2Cloud temperature sensor.

Canonical page: [https://chrome-stats.com/d/kr.m2cloud.coldtrack](https://chrome-stats.com/d/kr.m2cloud.coldtrack)

## Overview

- **ID:** `kr.m2cloud.coldtrack`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** m2cloud
- **Category:** TOOLS
- **Downloads:** 291
- **Version:** 10.4.0
- **Last updated:** 2026-04-10
- **First published:** 2023-11-19
- **Publisher country:** KR
- **Size:** 35 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=kr.m2cloud.coldtrack)
- **Website:** [http://www.m2cloud.kr](http://www.m2cloud.kr/)
- **Privacy policy:** [https://m2cloud.notion.site/14984d81857f80e78546dd6202e9c240](https://m2cloud.notion.site/14984d81857f80e78546dd6202e9c240)

## Description

The temperature of the sensor can be uploaded using Bluetooth/NFC.<br><br>■ Sensor data upload<br>1) Bluetooth<br>: Data is periodically scanned using Bluetooth and transmitted to the server.<br><br>2) NFC<br>: Data is transmitted through tagging through NFC of the temperature sensor and NFC function of the smartphone.<br><br>[Guidance on access rights]<br>Cold Track accesses the following rights to provide high-quality services, and all information acquired through access rights is kept secure through encryption and is not used for purposes other than service provision.<br><br>1) Camera<br>- QR code recognition<br><br>2) location<br>- Access precise location (GPS and network based)<br>- Access your approximate location (network-based)<br><br>3) Nearby devices<br>- scan the sensor<br><br>4) Notification<br>- Service setting notification<br><br>5) Background battery optimization<br>- Seamless background service<br><br>6) Other<br>- Full network access<br>- Run at startup<br>- Set the phone not to go to sleep mode<br>- Access Bluetooth settings<br>- View network connections<br>- View Wi-Fi connections<br>- Vibration control<br>- Wi-Fi connection and disconnection<br>- Full network access<br>- Change network connection<br>- Pairing with a Bluetooth device<br>- NFC control<br>- Read badge notifications<br>- Vibration control<br>- Change audio settings<br><br>※ If the app does not operate normally, we recommend deleting and reinstalling the app.

## Rankings

- #1,576,139 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_BACKGROUND_LOCATION`
- `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.CAMERA`
- `android.permission.FLASHLIGHT`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE`
- `android.permission.FOREGROUND_SERVICE_LOCATION`
- `android.permission.INTERNET`
- `android.permission.NFC`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.USE_FULL_SCREEN_INTENT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.CHECK_LICENSE`
- `kr.m2cloud.coldtrack.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/kr.m2cloud.coldtrack)