Ultra Rox : Hyrox Race Pacer
Pierre Grandjean Health & Fitness iPhoneiPadiPod touch
Ultra Rox : Hyrox Race Pacer is a free Health & Fitness app for iPhone and iPad by Pierre Grandjean. Requires iOS 15.0. Updated May 6, 2026.
- Price
- Free
- on the App Store
- Size
- 89 MB
- Age 4+
- Updated
- May 6
- 2026 · v1.1.5
Screenshots
About Ultra Rox : Hyrox Race Pacer
PUSH YOUR LIMITS. NOT YOUR HEART RATE ZONE. ULTRA ROX is the precision tool for high-intensity athletes. Connect your Bluetooth HRM chest strap and let your voice coach guide your session. WHY ULTRA ROX? • VOICE COACH: Real-time audio instructions based on your heart rate. • STABLE SIGNAL: Intelligent algorithm filtering micro-drops for reliable data. • TOTAL FOCUS: Keep your hands free—no need to check your watch or phone. • PRO DESIGN: Sleek, high-contrast dark mode optimized for gym environments. Requires a Bluetooth Heart Rate monitor. Ad-free. Dominate your training. Be ULTRA.
What’s new
Version 1.1.5 · Updated May 6, 2026
What’s New? REVOLUTIONARY GHOST MODE: Don’t train alone anymore. Race against your own "Ghost" (your previous PR) in real-time on every station. Instantly see if you are ahead or behind your record. DYNAMIC VOICE COACHING: Eyes on the effort, not the screen. Our voice coach calls out your Watts and split times, adjusting your intensity to keep you in the target zone. WATTS & FTMS PRECISION: Ultra-stable Bluetooth connection with power sensors (SkiErg, RowErg, BikeErg). Track your real Power-to-Weight ratio (W/kg) for perfect energy management. ELITE POWER SCORE: Get your verified "Power Score" after every session and track your progress in the global rankings. DARK MODE INTERFACE: A high-contrast UI designed for the intensity of the gym, optimized for quick reading during peak effort. ZERO ADS: Because focus is your best asset, Ultra Rox remains 100% ad-free. Technical Optimizations: Improved connection stability for heart rate monitors (BLE). Complete redesign of the Score Card for deeper post-workout analysis. Minor bug fixes for outdoor GPS distance tracking.
App privacy
The developer, Pierre Grandjean, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID, User ID
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data, Performance Data
- Health & Fitness: Health, Fitness
- Location: Precise Location
Used for: Analytics, App Functionality
Alternatives to Ultra Rox : Hyrox Race Pacer
Looking for apps like Ultra Rox : Hyrox Race Pacer? Here are 6 similar apps on the App Store. The highest rated is Ergmatic - Indoor Bike Trainer (5.0/5), and all 6 are free to download.
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MyWattz
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BikeOn Power
4.0
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Just The Watts
3.0
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Early Vital Signals Detector
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Ergmatic - Indoor Bike Trainer
5.0
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FTP & W/kg Cycling Power
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Ultra Rox : Hyrox Race Pacer | – | Free | May 6, 2026 | |
| MyWattz | – | Free | Jan 26, 2026 | Compare |
| BikeOn Power | 4.0 / 5 (1) | Free | Jun 5, 2026 | Compare |
| Just The Watts | 3.0 / 5 (2) | Free | May 4, 2026 | Compare |
| Early Vital Signals Detector | – | Free | May 7, 2026 | Compare |
| Ergmatic - Indoor Bike Trainer | 5.0 / 5 (4) | Free | Sep 12, 2026 | Compare |
| FTP & W/kg Cycling Power | – | Free | Aug 7, 2026 | Compare |