Frontier X
Frontier X is made and published by Fourth Frontier Technologies Private Limited. AppBrain is an independent app data site and isn't affiliated with Fourth Frontier Technologies Private Limited. The app name, icon, screenshots and description belong to Fourth Frontier Technologies Private Limited and are shown as published on Google Play.
AppBrain's verdict
EstablishedWell rated- Total installs
- 13 thousand
- Rating on Google Play
- 4.35
- 366 ratings
- Last updated
- October 6, 2026
Frontier X has 13 thousand installs. Users rate it well: 4.3 stars from 366 ratings.
Installs
Tracked by AppBrain- Last 30 days
- 1 thousand
- Per day
- 33
- 30-day average
- Play install range
- 10+ thousand
- Launched
- October 2019
Installs over time
Frontier X has been installed 13 thousand times. Over the past 30 days, it averaged 33 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for Frontier X
Competitors
Similar apps and more from Fourth Frontier Technologies Private LimitedAlternatives to Frontier X
Releases
Updates seen on Google Play- Version
- 12.4.0.3
- Launched
- October 2019
User feedback
Ratings and reviews on Google PlayGoogle Play Rating history and histogram
Comments on Frontier X for Android
Technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 52
- App size
- 42.4 MB
- Needs Android
- 8.0+
- Content rating
- Everyone
Technologies used by Frontier X
About the app and developer
About Frontier X
Frontier X is a health & fitness app developed by Fourth Frontier Technologies Private Limited.
How many times has Frontier X been installed?
Frontier X has been installed 13 thousand times. In the last 30 days, the app was installed 1 thousand times.
What is the rating of Frontier X?
Frontier X is rated 4.35 out of 5 stars, based on 370 ratings.
Is Frontier X free?
Frontier X is free. The app size is 42.37 MB. The latest version available is 12.4.0.3. The last update was on October 6, 2026.
What are the requirements for Frontier X?
Frontier X requires Android 8.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since October 2019.
App Performance Report
Get a detailed PDF report for Frontier X with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Fourth Frontier Technologies Private Limited
Fourth Frontier Technologies Private Limited
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Store listing
By Fourth Frontier Technologies Private Limited, from Google Play“Companion App of Frontier X/X2/X3 for runners, cyclists and endurance athletes”
Description by Fourth Frontier Technologies Private Limited Written by the developer, not by AppBrain. Click to read.
Trusted by world-class athletes across the globe, the Frontier X/X2/X3 is a chest-worn Smart Heart Monitor that provides in-depth real-time feedback on your heart health. It can monitor your
Heart Health
24/7 Continuous ECG
Heart Rate
Heart Rate Variability (HRV)
Breathing Rate
Strain
Rhythms
Training Load
Calories
Stress, and a lot more.
● Accurately record continuous ECG for up to 24hrs during any activity like exercise, running, cycling, resting, sleeping, meditation, etc for comprehensive heart health insights.
● Spot changes in your heart health with Rhythm and Strain.
● Train in the right zone without distractions with real-time, personalized, and discreet vibration alerts.
● Add health event tags to help you understand how lifestyle choices and behavior affect your health.
● Generate PDF reports of your ECG and securely share it, along with other health metrics, with anyone worldwide.
● Seamlessly integrate with Bluetooth-enabled wearables and third-party devices such as GPS sports watches, bike computers, and more.
● AI-enabled algorithms - Receive post-activity training insights, recommendations, and weekly goals.
Now get deeper insights and data with Frontier Premium Subscription*:
Metabolic Profile Analytics: Track training intensity and the impact of lifestyle changes on metabolic health with key metrics like VO2 Max, VO2 Zones, Oxygen Uptake, and Ventilatory Thresholds (VTs).
VO2 Max: Get the most accurate real-time VOo2 Max data. While other wearables estimate using motion and heart rate, our continuous ECG provides precise VOo2 Max readings outside of a lab, tracking cardiovascular efficiency and endurance potential. Unlike wrist-based devices, our 24/7 ECG-based system consistently captures your heart's electrical signals, offering reliable data.
Readiness Score: Determine if your body is ready for peak performance or needs recovery. Advanced algorithms use heart rate, heart rate variability (HRV), and ECG data to guide your daily activities and training.
Sleep Stage Analysis: Get a comprehensive understanding of your sleep quality. Our system uses continuous ECG to track heart patterns and sleep stages.
With Frontier's Premium subscription and Metabolic Profile Analysis, tracking your VO₂ max becomes simpler and more precise.
About Fourth Frontier
Fourth Frontier is an innovative health-tech company focused on revolutionizing heart health monitoring with its cutting-edge wearable ECG technology.
We are the World’s First Smart Heart Monitor. With over 5 billion heartbeats recorded from 120,000+ users across 50+ countries, we are empowering users to understand and manage their heart health in real-time.
These features make the Frontier App a comprehensive tool for heart health management and fitness improvement.
Download the app today and access the most accurate heart health data available.
Apps available for iOS, Android, and Apple Watch.
*A Paid Frontier Premium subscription is required to access the full feature set .
Recent changes:
Enhanced Bluetooth security for Frontier X2 devices with Secure BLE Pairing/Bonding.
Bug fixes and performance improvements