# CoolTransfer - Phone Transfer

> Transfer contacts & call logs between Android devices for sync & backup

Canonical page: [https://chrome-stats.com/d/com.coolmuster.datatransfer](https://chrome-stats.com/d/com.coolmuster.datatransfer)

## Overview

- **ID:** `com.coolmuster.datatransfer`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** SHENZHEN QIXINGSHI TECHNOLOGY CO.,LTD
- **Category:** TOOLS
- **Downloads:** 68
- **Version:** 3.02.8
- **Last updated:** 2026-08-24
- **First published:** 2026-07-01
- **Publisher country:** CN
- **Size:** 9.56 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.coolmuster.datatransfer)
- **Privacy policy:** [https://www.coolmuster.com/privacy.html](https://www.coolmuster.com/privacy.html)

## Description

CoolTransfer uses local Wi-Fi to clone data offline between Android devices. It supports cross-device transfer, backup and restore for contacts and call logs, and no data will be uploaded to external servers.<br><br>Core Features:<br>- Cross-device copy, backup and restore of contacts between Android phones.<br>- Cross-device migration, sync and restore of call logs between Android phones.<br><br>Privacy-First:<br>- Zero Cloud Storage: CoolTransfer does not utilize external servers. Your personal information is never uploaded to the cloud.<br>- Encrypted Local Pipeline: Data is transmitted directly between the sender and receiver devices over your private local Wi-Fi.<br>- No Internet Tracking: The core transfer functionality functions entirely without an internet connection.<br><br>How It Works:<br>1. Open CoolTransfer on both your old and new Android phones.<br>2. Connect both devices to the same secure local Wi-Fi network.<br>3. Follow the secure pairing instructions displayed on the screen.<br>4. Review and approve the transfer of contacts and call logs.<br><br>Technical Requirements:<br>- Designed exclusively for Android operating systems.<br>- Requires local Wi-Fi network availability (no active internet required).<br>- Requires explicit user permission to read and write contacts and call history.

## Rankings

- #2,133,349 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_DATA_SYNC`
- `android.permission.GET_ACCOUNTS`
- `android.permission.INTERNET`
- `android.permission.MANAGE_EXTERNAL_STORAGE`
- `android.permission.NEARBY_WIFI_DEVICES`
- `android.permission.READ_CALL_LOG`
- `android.permission.READ_CONTACTS`
- `android.permission.READ_MEDIA_AUDIO`
- `android.permission.READ_MEDIA_IMAGES`
- `android.permission.READ_MEDIA_VIDEO`
- `android.permission.READ_SMS`
- `android.permission.WRITE_CALL_LOG`
- `android.permission.WRITE_CONTACTS`
- `android.permission.WRITE_SMS`
- `com.android.vending.CHECK_LICENSE`
- `com.coolmuster.datatransfer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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