HiWatch

An app based on the development of a Bluetooth smart watch.

Shenzhen Jusheng Intelligent Technology Co., Ltd. · com.mtk.legend.bt

5.0 out of 5 (2 ratings) 5M+ downloads v6.3.4 27.3 MB Android 7.0+ PEGI 3 · Everyone

Download APK 27.3 MB All versions

Same certificate as v6.1.0, which matches Google Play Details

At a glance

Latest version: v6.3.4 (103)
Updated: May 18, 2024 (2 years ago)
APK size: 27.3 MB
Requires: Android 7.0+ (API 24)
CPU support: ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Tools (app)
Listed since: Dec 2, 2020 (at least)
Permissions: 42 (19 sensitive)
Website: ruanan.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

HiWatch is an app by Shenzhen Jusheng Intelligent Technology Co., Ltd. in the Tools category, listed since at least December 2020. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 5.4, the APK grew from 21.6 MB to 27.3 MB and the minimum Android version rose from 4.4 to 7.0. It asks for 42 permissions, 19 of them sensitive, including precise location, location in the background and camera. Compared with version 6.1.0, it adds 8 new permissions: “Bluetooth advertise”, “Bluetooth connect”, “Bluetooth scan” and 5 more.

What's new in v6.3.4

Optimize reconnection mechanism

Description

From the listing uploaded by “appupdater”.

An application based on the development of a Bluetooth smart watch, which can remotely take photos, remotely view mobile phone push messages, step by step, test heart rate, and make calls. Is a practical tool app.

Version history

4 versions are listed, going back to v5.4. Since v6.3.4 it requires Android 7.0+.

v6.3.4 LATEST May 18, 2024 27.3 MB TRUSTED v6.1.0 Nov 11, 2025 24.6 MB TRUSTED v6.0.9 Nov 22, 2025 24.6 MB TRUSTED v5.4 Nov 8, 2025 21.6 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Same certificate as v6.1.0, which matches Google Play v6.1.0 · v6.0.9

Store checks and file details

Developer signature verified May 18, 2024
Antivirus scan result not available
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)33:E9:21:B0:B1:D4:4D:7E:39:1E:97:D8:9F:95:11:D4:CB:2B:CA:20
File MD547799fb59b3399aaded43f5dc174f3ea
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (42)

HiWatch requests 42 permissions, 19 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Bind notification listener service Sensitive android.permission.BIND_NOTIFICATION_LISTENER_SERVICE
Bluetooth advertise Sensitive android.permission.BLUETOOTH_ADVERTISE
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Camera Sensitive android.permission.CAMERA
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Location in the background Sensitive android.permission.ACCESS_BACKGROUND_LOCATION
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read calendar Sensitive android.permission.READ_CALENDAR
Read call log Sensitive android.permission.READ_CALL_LOG
Read contacts Sensitive android.permission.READ_CONTACTS
Read media images Sensitive android.permission.READ_MEDIA_IMAGES
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Read sms Sensitive android.permission.READ_SMS
Receive sms Sensitive android.permission.RECEIVE_SMS
See all installed apps Sensitive android.permission.QUERY_ALL_PACKAGES
Access download manager android.permission.ACCESS_DOWNLOAD_MANAGER
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Call state idle android.permission.CALL_STATE_IDLE
Control vibration android.permission.VIBRATE
Flashlight android.permission.FLASHLIGHT
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Kill background processes android.permission.KILL_BACKGROUND_PROCESSES
Mount unmount filesystems android.permission.MOUNT_UNMOUNT_FILESYSTEMS
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) com.redbend.client.permission.C2D_MESSAGE
Read sync settings android.permission.READ_SYNC_SETTINGS
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Redbend event intent (custom) com.redbend.permission.EVENT_INTENT
Request ignore battery optimizations android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE
Write sms android.permission.WRITE_SMS
Write sync settings android.permission.WRITE_SYNC_SETTINGS

Required hardware & features

Bluetooth android.hardware.bluetooth
Camera android.hardware.camera
Camera autofocus android.hardware.camera.autofocus
Location android.hardware.location
Portrait screen android.hardware.screen.portrait

HiWatch APK: questions and answers

Is there a version of HiWatch for older Android phones?

The current version needs Android 7.0 or later. Version 6.1.0 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 6.1.0 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the HiWatch APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as version 6.1.0, whose signature matches the Google Play version. After downloading, check that the file's MD5 is 47799fb59b3399aaded43f5dc174f3ea.