Smart Watch App

Score Overview

3.7

Overall Rating

3.2

App Store

4.2

Google Play

100K+Google Play Downloads

Rexlife

Name: Rexlife
Rating: 3.7

Shenzhen United Power Technology Co., Ltd.Free

Rexlife is a free Bluetooth smartwatch companion app for health tracking, exercise plans, sleep monitoring, and real-time sports data. 100K+ Google Play downloads. Compatible with iOS and Android.

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Screenshots

Key Features

Real-Time Health Monitoring — track steps, distance, calories, and heart rate continuously throughout the day via Bluetooth smartwatch connection

Sleep Quality Analysis — detect deep sleep, light sleep, and awake periods to score nightly sleep quality and build better rest habits

Personalized Exercise Plans — AI-assisted workout plans tailored to your fitness goals including weight loss, muscle building, and endurance training

GPS Route Tracking — log outdoor workout routes with GPS on your phone and review maps with pace, distance, and time statistics

At-Home Workouts — access built-in workout routines that require no gym equipment, designed for exercise anywhere at any time

Holistic Wellness Guidance — integrated wellness tips covering movement, mindfulness, nutrition, and recovery rest for balanced health

Notification Sync — receive call reminders, SMS previews, and app notifications on your smartwatch so you never miss important alerts

Alarm Reminders — set custom alarms on your smartwatch remotely through the app with vibration alerts at the set time

Sedentary Reminders — get gentle vibration alerts when you have been sitting too long to encourage regular movement throughout the day

Watch Face Customization — personalize your smartwatch display with different themes and layouts on compatible devices

Weekly & Monthly Reports — review activity summaries and health trends with visual charts and progress tracking over time

Goal Setting — set daily step, calorie, and fitness goals and track your daily progress toward achieving them

38 Language Support — full multilingual interface supporting English and 37 additional languages for global accessibility

Dual Platform — available on both Android (Google Play) and iOS (App Store) with cross-platform Bluetooth device compatibility

Free to Use — completely free download with no subscription required for core health tracking and exercise plan features

Introduction

Rexlife (also stylized as Rex.life) is a free Bluetooth smartwatch companion app developed by Shenzhen United Power Technology Co., Ltd., designed to help you track your health, plan workouts, and stay connected with your smart wearable device. With 100K+ downloads on Google Play and a 4.2-star rating (416 reviews), Rexlife connects your Bluetooth smartwatch or bracelet to your smartphone to deliver real-time health monitoring, personalized exercise plans, and seamless notification management.

Available on both Android (Google Play, package: com.lianhezhuli.rexlife) and iOS (App Store ID: 6478669848), Rexlife supports a wide range of Bluetooth fitness wearables. The developer behind Rexlife also publishes HryFine, Laxasfit, OFITPRO, and Olywear — all companion apps for Shenzhen-manufactured smartwatches.

How Rexlife Works

Rexlife connects to your smartwatch via Bluetooth Low Energy (BLE). After pairing your watch through your phone's Bluetooth settings, open the Rexlife app, grant the required permissions (location for Bluetooth scanning, notifications, fitness data access), and the app syncs automatically. Your health data — steps, heart rate, calories, sleep records — uploads to the app in real time, building a daily health profile you can review at any time.

The app's dashboard presents all your key metrics in an intuitive card-based interface, letting you quickly check your daily activity progress, sleep summary, and workout records at a glance.

Health & Activity Tracking

Step Counter & Daily Activity

Rexlife records your daily step count, distance traveled, and calories burned continuously throughout the day. Set a daily step goal and track your progress toward it. The app generates weekly and monthly activity summaries to help you visualize your fitness trends over time.

Heart Rate Monitoring

Connect your heart rate-enabled smartwatch to monitor real-time heart rate data. Rexlife logs heart rate measurements throughout the day and flags readings that fall outside your normal range — useful for both fitness enthusiasts and health-conscious users.

Sleep Quality Tracking

Rexlife analyzes your sleep patterns by detecting deep sleep, light sleep, and awake periods through your smartwatch's movement sensors. Review your nightly sleep duration and quality score each morning to understand your rest habits and make improvements.

GPS Route Logging

Track your outdoor workout routes with GPS on your phone, synced to the Rexlife app. View maps of your runs, walks, or cycling routes, and see key stats like distance, pace, and elapsed time alongside your route visualization.

Personalized Exercise Plans

One of Rexlife's standout features is its AI-assisted personalized exercise planning. After setting your fitness goals — whether weight loss, muscle building, endurance, or general wellness — the app creates tailored workout plans with professional guidance. Built-in at-home workout routines require no gym equipment, making it easy to exercise anywhere.

The app takes a holistic approach to wellness, incorporating movement, mindfulness, nutrition awareness, and recovery rest into its guidance system. Users can set daily wellness goals and track adherence to build lasting healthy habits.

Smart Device Connectivity

Notification Sync

Receive call reminders, SMS previews, and app notifications on your smartwatch wrist. Rexlife forwards incoming calls and messages so you never miss important alerts, even when your phone is in your bag or pocket.

Alarm & Sedentary Reminders

Set custom alarm reminders on your smartwatch through the app. Enable sedentary reminders to get gentle vibration alerts when you've been sitting too long — a helpful nudge to stand up and move throughout your workday.

Watch Face & Theme Customization

Rexlife supports watch face customization on compatible devices, allowing you to personalize your smartwatch display with different themes and layouts. Users report impressive customization options as one of the app's most popular features.

Supported Devices

Rexlife is compatible with a wide range of Bluetooth fitness wearables including smart bracelets, fitness bands, and smartwatches manufactured by Shenzhen United Power Technology Co., Ltd. and related brands. The app has been specifically noted for compatibility with Jiditech smartwatches and similar devices that list Rexlife as their companion app.

If your smartwatch's packaging or manual lists "Rexlife" or "com.lianhezhuli.rexlife" as the companion app, your device is supported.

Language & Platform Support

Rexlife supports 38 languages (English + 37 more), making it accessible to users worldwide. The app is available free on:

Android: Google Play (100K+ downloads, 4.2★)
iOS: App Store (requires iOS 12.0+, 3.2★)

Rexlife vs Other Smartwatch Apps

Key characteristics that distinguish Rexlife from alternatives:

Dual platform — available on both Android and iOS (unlike some competitor apps)
Holistic wellness — combines fitness tracking with mindfulness and nutrition guidance
Personalized plans — AI-assisted exercise plans tailored to your goals
100K+ downloads — growing user base with strong Android ratings (4.2★)
38 languages — comprehensive multilingual support for global users
Same developer ecosystem — pairs with watches supported by HryFine, OFITPRO, Laxasfit

Technical Specifications

Android Package Namecom.lianhezhuli.rexlife

iOS App ID6478669848

Android Minimum VersionAndroid 5.0+

iOS Minimum VersioniOS 12.0 or later

App Size (Android)~57.4 MB

App Size (iOS)194 MB

Current Version (iOS)1.1.1

Last Updated (Google Play)November 5, 2025

Last Updated (App Store)February 25, 2026

Google Play Downloads100K+

Google Play Rating4.2 / 5 (416 reviews)

App Store Rating3.2 / 5 (6 ratings)

Supported LanguagesEnglish and 37 more languages

In-App PurchasesNone (free)

Platform SupportAndroid 5.0+ and iOS 12.0+

ConnectivityBluetooth Low Energy (BLE)

Age Rating (Android)Everyone

Age Rating (iOS)4+

DeveloperShenzhen United Power Technology Co., Ltd.

Privacy Policyhttps://privacy.lhzl666.com/static/rexlife/privacypolicy_en.html

FAQ

What is Rexlife and what does it do?

Rexlife (Rex.life) is a free Bluetooth smartwatch companion app developed by Shenzhen United Power Technology Co., Ltd. Available on both Android and iOS, it connects to your Bluetooth fitness wearable to track steps, heart rate, sleep quality, GPS routes, and calories. It also generates personalized exercise plans, provides at-home workout routines, and syncs call/message notifications to your smartwatch. The app has 100K+ downloads on Google Play with a 4.2-star rating.

Which smartwatches and fitness bands are compatible with Rexlife?

Rexlife is compatible with Bluetooth smartwatches and fitness bands manufactured by Shenzhen United Power Technology Co., Ltd. and related brands. Notably, it supports Jiditech smartwatches and devices that list 'Rexlife' or 'com.lianhezhuli.rexlife' as their companion app. The same developer also makes HryFine, OFITPRO, Laxasfit, and Olywear — if your watch uses one of these apps, Rexlife may also be compatible. Check your watch's packaging or manual for the recommended companion app.

How do I connect my smartwatch to Rexlife?

To connect: (1) Enable Bluetooth on your phone and smartwatch; (2) Open the Rexlife app and tap the device pairing option; (3) Put your smartwatch in pairing mode (consult watch manual); (4) Select your watch from the Rexlife device list; (5) Grant required permissions — location (for Bluetooth scanning on Android), fitness data access, and notification access for call/message forwarding. Once paired, your health data syncs automatically throughout the day.

Is Rexlife free to use?

Yes, Rexlife is free to download and use on both Android and iOS. Core features — health tracking, exercise plans, sleep monitoring, GPS route logging, and notification sync — are all available at no cost. The app does not require a subscription for basic functionality. Check the app for any optional premium features that may be offered in future updates.

How does Rexlife track sleep quality?

Rexlife analyzes your sleep through your smartwatch's motion sensors, which detect movement patterns while you sleep. The app categorizes your sleep into deep sleep, light sleep, and awake periods, calculating your total sleep duration and a sleep quality score. View your nightly sleep breakdown in the app each morning. For best accuracy, wear your smartwatch on your non-dominant wrist while sleeping and keep it charged.

How do personalized exercise plans work in Rexlife?

Rexlife creates personalized exercise plans based on your fitness goals, current activity level, and health data from your smartwatch. Set your target (weight loss, muscle building, endurance, or general wellness) and the app generates a tailored plan with specific exercises, sets, reps, and rest periods. The app includes at-home workout routines that require no gym equipment. Plans are updated based on your progress and feedback to keep them appropriately challenging.

Can Rexlife receive phone calls and messages on my smartwatch?

Yes. Rexlife syncs call notifications and SMS/app message previews to your connected smartwatch. When someone calls, your watch will vibrate and display the caller's name (if in contacts). For SMS and app notifications (like WhatsApp, messaging apps), the notification content is forwarded to your watch display. Grant notification access permission to Rexlife in your phone settings to enable this feature.

Does Rexlife have GPS tracking for outdoor workouts?

Yes, Rexlife uses your phone's built-in GPS to track outdoor workout routes. Start a workout session in the app, and it records your route in real time, displaying a map of your path along with stats like distance, pace, elapsed time, and calories burned. Route data is saved in the app for later review. Note that GPS tracking uses your phone's GPS, not the smartwatch — keep your phone with you during outdoor workouts.

What languages does Rexlife support?

Rexlife supports 38 languages including English, Chinese (Simplified and Traditional), Spanish, French, German, Portuguese, Italian, Russian, Japanese, Korean, Arabic, Vietnamese, and many more. The app interface is fully translated in all supported languages. To change the language, update your phone's system language — Rexlife will follow the device language setting automatically.

Why does Rexlife need location permission?

Rexlife requires location permission for two purposes: (1) Bluetooth scanning — on Android 10 and later, apps must have location permission to scan for and connect to Bluetooth devices, even if the app doesn't track your physical location; (2) GPS route tracking — when you start an outdoor workout, the app uses GPS to record your route. You can grant 'while using the app' location permission if you prefer not to allow background location access.

User Reviews

FitnessFanatic_iOS

App Store

Really impressed with the Rexlife app on my iPhone. The sleep tracking is accurate and the personalized workout plans are actually useful — not just generic exercises. My smartwatch syncs quickly and heart rate data shows up in real time. The interface is clean and easy to navigate. Would give 5 stars if they added more watch face options.

SmartWatchUser_2025

App Store

This app is exactly what I needed for my fitness bracelet. The step counter is very accurate and I love seeing my weekly progress reports. The at-home workout routines are great for days when I can't go to the gym. Notification sync works perfectly — I get all my calls and messages on the watch. Highly recommend Rexlife to anyone with a compatible Bluetooth wearable.

HealthTracker_Fan

App Store

Good app overall. The GPS route tracking is my favorite feature — I use it for morning runs and the maps are accurate. Sleep monitoring works well too. My only complaint is that the app sometimes loses the Bluetooth connection and I have to manually reconnect. Once connected though, everything syncs properly. Worth trying if your watch is compatible.

WellnessJourney_iOS

App Store

Love the holistic approach to fitness in this app. It's not just about counting steps — the mindfulness tips, nutrition reminders, and sedentary alerts help me stay healthy throughout the whole day. The personalized exercise plans adapt to my fitness level which is really helpful. The watch face customization is a fun bonus. Solid app for health tracking.

ActiveLifestyle_App

App Store

Decent smartwatch companion app. The health monitoring features work as described and the language support is impressive — I use it in Spanish and everything is properly translated. The alarm reminders through the watch are useful for my daily routine. App could use some UI polish but the core functionality is solid. Good free option for Bluetooth fitness trackers.

Jake Fradejas

Google Play

Have a lot of cool themes as wallpapers for my smartwatch, may I know the app for Android of Jiditech smartwatch 5 for rexlife app that is used in theme customization? The customization options are really impressive and the watch sync works great.

Jewel Miraflor

Google Play

da best...tnx guys....amazing app for the watch... customization is of another level.....nice

Mohammad Albab Ansari

Google Play

The app handles basic smartwatch functions, but the privacy policy is concerning. It asks for too many permissions without clear explanations, making it hard to trust. Use on your own risk.

Ana_Fitness

Google Play

Great fitness companion app for my smart bracelet. The step tracking and calorie counting are accurate. I especially like the weekly reports that show my progress over time. Sleep monitoring works well and gives me useful insights. The workout plans are helpful for beginners. Would love to see more advanced training options but overall very satisfied.

Workout_Daily_User

Google Play

Best smartwatch app I have tried. GPS tracking for my runs is spot on and the heart rate monitor syncs perfectly with my fitness band. The personalized workout plans helped me lose 5kg in two months. Notification sync keeps me connected without constantly checking my phone. Highly recommend Rexlife for anyone serious about fitness.

Changelog

v1.1.1 — February 25, 2026: · Fix some bugs and improve stability

v1.1.0 — January 2026: · Add device adaptation for new smartwatch models · Improve Bluetooth connection reliability · Optimize sleep tracking algorithm

v1.0.9 — December 2025: · Add watch face customization feature · Fix notification sync issues on iOS 17 · Performance improvements

v1.0.8 — November 2025: · Update GPS route tracking accuracy · Add weekly health summary reports · Fix heart rate data display bug

v1.0.7 — October 2025: · Add sedentary reminder customization · Improve step counting accuracy · Fix crash on some iPhone models

v1.0.6 — September 2025: · Add holistic wellness tips section · Improve personalized exercise plan generation · Fix Bluetooth pairing on iOS 16

v1.0.5 — August 2025: · Add sleep quality scoring feature · Optimize real-time data sync speed · Bug fixes

v1.0.4 — July 2025: · Add at-home workout routines library · Improve notification delivery reliability · Fix calendar sync issues

v1.0.3 — June 2025: · Add calorie goal tracking · Improve UI design and navigation · Fix data loss after app restart

v1.0.2 — May 2025: · Add multi-language support (38 languages) · Fix Bluetooth connection drops · Optimize battery usage

v1.0.1 — April 2025: · Initial performance improvements · Fix login issues · Improve compatibility with iOS 12

v1.0.0 — March 2025: · Initial release · Core health tracking: steps, heart rate, sleep · Bluetooth smartwatch connectivity · Basic exercise plan generator

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Information

DeveloperShenzhen United Power Technology Co., Ltd.

Websitewww.lhzl666.com

PricingFree

Pricing InfoFree to download and use on both Android and iOS. No subscription required. No in-app purchases for core features. Health tracking, exercise plans, sleep monitoring, GPS tracking, and notification sync are all included at no cost.

Google Play

4.2

App Store

3.2

Overall Rating

3.7

Google Play Downloads100K+

Version1.1.1

Size194 MB (iOS) / ~57.4 MB (Android)

Last Updated2026/02/25

Age Rating4+

Supported DevicesBluetooth smartwatches and fitness bands compatible with Rexlife, including Jiditech smartwatches and devices manufactured by Shenzhen United Power Technology Co., Ltd.

Supported LanguagesEnglish and 37 more languages

CompatibilityRequires iOS 12.0 or later (iPhone) / Android 5.0 or later. Bluetooth-enabled smartwatch or fitness band required.

Published date2026/03/15

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