Comparison

Frontier X vs BioGeneX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Frontier X

Track your heart health and exercise performance with a smart chest strap monitor. Gain detailed insights into heart rate, rhythms, and training load. Receive personalized feedback and alerts to optimize your workouts and understand your body better.

Highlights
  • Heart Health Monitoring
  • Real-time Heart Rate & HRV
  • Breathing Rate & Strain Tracking
  • Activity Recording (24hrs)
  • Personalized Vibration Alerts
  • AI-enabled Training Insights
  • Metabolic Profile Analytics (Premium)
Features
Read full description

With your Frontier X/X2/X3, 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/X3 - a revolutionary chest strap wearable smart heart monitor and view your recorded data. Trusted by world-class athletes across the globe, the Frontier 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 - 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 Profile Analysis, tracking your VO₂ max becomes simpler and more precise. *A Paid Frontier Premium subscription is required to access the full feature set . The Premium feature subscription comes with a complimentary 7 days free trial, and continue at a minimal monthly cost starting from USD 14.99, or opt for an annual plan for substantial savings. Please note that prices may fluctuate based on your geographical location, currency, and current exchange rates The Terms of use are available in the app and our website: https://in.fourthfrontier.com/pages/terms-of-use About Fourth Frontier Fourth Frontier is an innovative health-tech company focused on revolutionizing heart health monitoring with its cutting-edge wearable 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 iPhone and Apple Watch.

About

BioGeneX

This app uses VO2 Max and RMR test results to provide daily guidance on nutrition and recovery. It helps users track their body's fuel usage, monitor biological age, and receive personalized insights for training and lifestyle.

Highlights
  • Metabolic data dashboard
  • Personalized nutrition plans
  • Customizable workout builder
  • Biological age tracking
  • Fat vs. carb burn monitoring
  • Recovery insights
Features
Read full description

This app transforms VO2 Max and Resting Metabolic Rate (RMR) test results into daily guidance for nutrition and recovery optimization. Users can track how their body burns fat vs carbs, monitor biological age, and receive tailored insights for training and lifestyle. It provides access to personalized meal plans, recipes, and workout builders — all powered by personal metabolic analysis and breath-based testing. Key Features: • Dashboard with activity, nutrition, recovery, and metabolic data. • Personalized nutrition planning with meal plans and smart recommendations. • Training builder aligned with VO2 Max and RMR test results. • Recovery tracking with biological age and fat vs carb burn metrics.

Screenshots

Frontier X4 screens
BioGeneX4 screens

Verdict

The call

The clearest difference is in-app purchases: BioGeneX at none against Frontier X's 2. BioGeneX also leads on rating (5.0 vs 4.6). Frontier X's advantage is ratings volume (318 vs 1) and update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Frontier X sells 2 in-app purchases, starting at $14.99 per month. BioGeneX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BioGeneX holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Frontier X has 318 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Frontier X ships an update every 3 weeks, BioGeneX every 2 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
Frontier X versus BioGeneX: the parameters behind the verdict, then further details
ParameterFrontier XBioGeneX
PriceFreeFree
Rating4.6 (318 ratings)5.0 (1 ratings) — better
Positive reviews81.8% of reviews—
Number of ratings318 — better1
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, Apple WatchiPhone, iPod, Apple Watch — better
Requires iOS16.015.1 — better
Further details — not scored
Size569 MB63 MB
Age rating4+12+
DeveloperFourthfrontierEndoMedical Inc

Customer experience

Frontier X

All ratings318 ratings
Positive90.9%
Neutral1.3%
Negative7.9%
Written reviews137 reviews
Positive81.8%
Neutral1.5%
Negative16.8%

BioGeneX

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Frontier X

Reported bugs

4 issues
  • ECG stopped working
  • Inaccurate breathing rate and other metrics
  • Inability to edit activity details for indoor workouts
  • Syncing issues with Garmin devices after firmware updates

Requested features

6 requests
  • Add interval markers
  • Improve integration with Apple Fitness/Fitness+
  • Add support for ANT+
  • Improve compatibility with other fitness apps and devices
  • Add more customization options for workouts
Show 1 more
  • Improve data visualization and analysis tools

BioGeneX

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Frontier X

Subscriptions2
  • Monthly7 Days trial$14.991 Month
  • Yearly7 Days trial$119.991 Year
None

BioGeneX

No in-app purchases

Questions

Is Frontier X free?
Frontier X is free to download, with in-app purchases available.
Is BioGeneX free?
BioGeneX is free to download, with no in-app purchases.
Which has better reviews, Frontier X or BioGeneX?
BioGeneX is rated higher. Frontier X averages 4.6 out of 5 from 318 ratings, while BioGeneX averages 5.0 from 1 ratings.
Do Frontier X or BioGeneX have ads?
Neither Frontier X nor BioGeneX shows ads.
Which is updated more often, Frontier X or BioGeneX?
Frontier X ships an update every 3 weeks, and BioGeneX every 2 months. Most recently, Frontier X was updated on October 16, 2026 and BioGeneX on October 10, 2026.

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