NM HRV vs Foxtrot
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
NM HRV
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This application allows you to connect with and use Frontier X - a revolutionary new wearable device that monitors your lungs and heart. Once you download this application on your iPhone, this will allow you to view your real-time data if you exercise with the Frontier X device. In order to use this application, you need to have the Frontier X device, available at fourthfrontier.com. Frontier X integrates with HealthKit to export your Frontier X activities into the Health app and to read heart rate and biometric data. The Frontier X is a chest-worn device that has the following features: Suitable for recording during Rest, Sleep and Activity. Real-time vibration alerts when you cross your Heart Rate thresholds Easy to use. Strap on and start. Sync later View quick activity summary on device screen Highly accurate Heart Rate data Apps available for iOS. IP67 Waterproof up to 1.5 M Battery: 14+ days of typical use, up to 24-hrs continuous use
Foxtrot
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75 Days. Zero Excuses. Full Reset. Foxtrot is a 75-day discipline challenge built to help you lock in, show up every day, and prove to yourself what consistency really looks like. Five non-negotiable tasks to achieve every single day: 1) Healthy Diet, no cheat meal, no alcohol 2) 2x45min workouts (1 outside) 3) Drink 1 gallon of water 4) Read 10 pages of a self development book 5) Take 1 picture No shortcuts. No compromises. Track each action with precision, protect your streak, and move through the challenge one disciplined day at a time. Foxtrot isnβt about motivation β itβs about commitment. Designed for those ready to cut the noise, strengthen their habits, and step into a sharper, more focused version of themselves, Foxtrot turns discipline into a daily practice β and a personal standard. Features Youβll Love - The 75-Day Lock-In Challenge: Commit to five daily tasks and complete them every day for 75 days. Miss one, and the challenge resets. - Total Discipline Mode: No flexibility. No excuses. Your personal coach Fox keeps you accountable and focused on execution, not negotiation. - Tailored Workouts: Follow structured daily workouts designed to build strength, endurance, and mental toughness. - Nutrition Plan: Follow a healthy diet with our easy-to-follow nutrition plan and healthy recipes A Full Mindset Reset This isnβt just about habits. Itβs about building confidence, resilience, and trust in yourself. Download Foxtrot and activate discipline mode. Lock in. Show up. Finish strong. A subscription is required to access the full app experience and features. Terms of Use: https://legal.rocapine.com/terms Privacy policy: https://legal.rocapine.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: NM HRV at none against Foxtrot's 2. NM HRV also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Foxtrot sells 2 in-app purchases, starting at $9.99 per month. NM HRV asks for nothing beyond the download.
| Parameter | NM HRV | Foxtrot |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | β |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.5 | 15.1 β better |
| Further details β not scored | ||
| Size | 85 MB | 55 MB |
| Age rating | 12+ | 4+ |
| Developer | Fourthfrontier | Les Nants |
In-app purchases
NM HRV
No in-app purchases
Foxtrot
- Monthly Plan$9.991 Month
- Yearly Plan7 Days trial$39.991 Year









