RunTriX vs Coach Stef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RunTriX
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RunTriX is the ultimate smart toolbox for runners and triathletes – for training, race planning, and performance analysis. Scientific calculators and unique analyses that no other app offers. Developed by an active runner and triathlete for runners and triathletes who like to think ahead – and do the math. Perfect for training, race planning, and everything in between. BASIC (Free – forever) Integration & Sync: - Apple Health Integration - Profile Function - German & English selectable - Metric & Imperial Units Basic Calculators: - Running Pace Calculator - Cycling Pace Calculator - Triathlon Calculator - Race Calculator PRO (Annual Subscription – €9.99 per year) or PRO (Lifetime Access – €19.99 one-time payment) All Basic Features plus: Pro Calculators: RUNNING - VDOT Training Calculator - Marathon Pacing - AI Race Calculator for Running - Marathon Tactics - VO2max Calculator for Running - Age Grade Calculator - Age Group Performance Decline - Anaerobic Threshold - Split Calculator - Speed Converter - Temperature-Pace Correction - Time Gain Calculator - Training Zones - Training Nutrition - TSS Calculator - Energy Gel Calculator - Sweat Loss Rate CYCLING - Power Profile Analysis - VO2max Calculator (Bike) - Breakaway Calculator (Bike) - Temperature-Watt Correction - Anaerobic Threshold - Training Zones - TSS Calculator SWIMMING - CSS Calculator - FINA Points Calculator - Training Zones TRIATHLON - Triathlon Age Calculator - Duathlon Calculator - Triathlon Nutrition Calculator - Triathlon Training Calculator - FINA Points Calculator - TSS Calculator GENERAL / FITNESS / HEALTH 1. 1RM Calculator 2. BMI Calculator 3. Calorie Needs Calculator 4. Ideal Weight Calculator 5. Vitamin D Calculator 6. Hydration Needs Calculator 7. Caffeine Calculator 8. Sleep Calculator 9. Jump Rope Calories 10. Burpee Calories Calculator 11. Wilks Calculator 12. Fitness Race Calculator Note: Some calculators appear in multiple categories (e.g., "Training Zones" for Running/Cycling/Swimming) but are only included once in the Pro subscription STRATISTICS - Performance Management HYBRID BODY BATTERY Which combines Training Load with HealthKit: - 4 data sources: Training (40%), HRV (35%), Sleep (20%), Resting Heart Rate (5%) - Garmin-level accuracy without a Garmin watch POLARIZATION ANALYSIS (unique worldwide) - Shows your true Zone 1/2/3 ratio (according to Seiler) FITNESS DASHBOARD TrainingPeaks-style analyses: - CTL, ATL, TSB - Intelligent trend analysis: Detects overtraining and undertraining INJURY RISK MONITORING (unique) Proactive warning BEFORE injury: - Push notifications: Alerts at critical values STRENGTHS/WEAKNESSES RADAR - Multi-sport spider chart - Cross-sport analysis (running, cycling, swimming) - Shows your performance distribution across a Overview ADVANCED ANALYSES - Competition Timeline: Multi-sport with yearly filters - Long Run Tracking: Special analysis for marathon preparation (>90 min) - Brick Run Analysis: Brick runs (bike-to-run transitions) - and much more RECOVERY & HEALTH DASHBOARD Full Apple Health Integration: - HRV Monitoring: 7-day baseline with trend analysis - 90-minute sleep cycles: Calculate optimal wake-up times - SpO2 & Respiration Rate: Complete recovery dashboard AI-POWERED TRAINING MANAGEMENT Never guess whether you're ready again: - Training Readiness: Reduce / Maintain / Push / Peak - Intelligent recommendations: Based on TSB, ramp rate, and injury risk Important Notes: Apple Health: RunTriX reads data from Apple Health (workouts, heart rate, HRV, sleep, Resting heart rate, body temperature, SpO2) to provide you with the best analyses. Permission will be requested upon first launch. Strava: A Strava connection is recommended for full use of STRATISTIK. Your activities are securely synced via the official Strava API. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://runtrix.app/datenschutz Privacy Policy: https://runtrix.app/privacy
Coach Stef
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Die neue Coach Stef App. Trainingsprogramme & Challenges Entdecke vielseitige Programme und Challenges, stelle dich neuen Herausforderungen und arbeite an deinen persönlichen Zielen. Einfache, aber wirkungsvolle Ernährung Kein Schnickschnack. Nur das, was wirklich zählt – alltagstauglich und nachhaltig. Tiefgreifende Analysen Behalte den Überblick über deine Performance, Schritte, Schlaf und vieles mehr – alles an einem Ort. Nahtlose Integrationen Verbinde Apple Health, Fitbit, Garmin, MyFitnessPal und weitere Plattformen für ein vollständiges Bild deiner Fitness. Synchronisiere die Daten mit der Health-App, um deine Werte sofort zu aktualisieren. Community Tritt gegen andere Mitglieder an, feiere Erfolge und lass dich von der Community mitreißen.
Screenshots
Verdict
The clearest difference is in-app purchases: Coach Stef at none against RunTriX's 2. Coach Stef also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support 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
Both are free to download. RunTriX sells 2 in-app purchases, starting at $8.99 per year. Coach Stef asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 4 weeks. The most recent releases landed on August 17, 2026 and September 3, 2026 respectively.
| Parameter | RunTriX | Coach Stef |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 4 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 403 MB |
| Age rating | 4+ | 12+ |
| Developer | Markus Malz | Outperform Fitness & Marketing GmbH |
In-app purchases
RunTriX
- RunTriX Pro$8.991 Year
- RunTriX Pro$17.99
Coach Stef
No in-app purchases









