Frontier X
Frontier X Summary
Frontier X is a with in-app purchases iOS app in Health And Fitness by Fourthfrontier. Released in Oct 2019 (6 years ago). It has 290 ratings with a 4.60★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 349 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Mar 4, 2026.
Store info: Last updated on App Store on Mar 4, 2026 .
4.6★
Ratings: 290
Screenshots
App Description
With your Frontier X/X2, track your activity including exercise, rest or sleep to get detailed insights on heart health and exercise performance. This companion app allows you to connect with Frontier X2 - a revolutionary chest strap wearable smart heart monitor and view your recorded data.
Trusted by world-class athletes across the globe, the Frontier X2 is a chest-worn Smart Heart Monitor that provides in-depth real-time feedback on your heart health.
It can monitor your:
- Heart Health
- Heart Rate
- Heart Rate Variability (HRV)
- Breathing Rate
- Strain
- Rhythms
- Training Load
- Calories
- Stress, and a lot more.
• Accurately record your activity like exercise, running, cycling, resting, sleeping, meditation, etc for up to 24hrs with 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.
• 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.
• Frontier X integrates with HealthKit to export your Frontier X activities into the Health app and to read heart rate and biometric data.
• IP67 Waterproof up to 1.5 M
• Battery: 14+ days of typical use
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 Vo2 Max data. While other wearables estimate using motion and heart rate, our advanced algorithms provides precise Vo2 Max readings outside of a lab, tracking cardiovascular efficiency and endurance potential.
Readiness Score: Determine if your body is ready for peak performance or needs recovery. Advanced algorithms use heart rate, heart rate variability (HRV) to guide your daily activities and training.
Sleep Stage Analysis: Get a comprehensive understanding of your sleep quality (Webapp).
With Frontier's Premium subscription and Metabolic P