RunningCalc vs RunTriX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RunningCalc
This app helps runners calculate and convert running pace, speed, distance, and time. It offers features like pace calculation, pace band generation, and split analysis to aid in workout planning and race preparation.
- Pace, speed, and distance calculation
- Customizable pace band generator
- Split analysis for runs
- Cheat sheet creator for pace/speed conversion
- Flexible unit support (km, miles, km/h, mph)
- Light and dark mode
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RunningCalc lets you convert and calculate running pace, speed, distance and time with a clean and easy to use interface with quick input. Plan workouts, analyze splits, create custom pace bands, and instantly convert between pace, speed, and distance. * Pace Calculator: Instantly convert pace, speed and distance by setting any value. Calculate pace, speed, or time by setting any two values. The intuitive locking system lets you fine-tune your calculations on the fly. * Pace Band Generator: Create personalized, printable pace bands for your races. Set your target distance and time, define split lengths, generate a band and print it to keep you on track. * Cheat Sheet Creator: Build custom pace-to-speed (and vice-versa) conversion charts for quick reference. Ideal for knowing your target treadmill speed. * Split Calculator: Track and analyze every segment of your run. Select specific splits to see their combined stats for targeted analysis. Perfect after treadmill sessions or interval training to get the total distance run or calculate the average pace for intervals. Easy to Use: Clean, intuitive interface designed for quick input, even when you're mid-workout. Customizable: Tailor distance presets for both the Pace Calculator and Pace Band to your common running distances. Flexible Units: Seamlessly work with kilometers, miles, km/h, and mph. Light & Dark Mode: Adapts to your system's appearance for comfortable viewing. No ads, no subscriptions – just powerful features to support your running journey.
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
Screenshots
Verdict
The clearest difference is in-app purchases: RunningCalc at none against RunTriX's 2. RunningCalc also leads on update cadence (every 5 days vs every 4 weeks). RunTriX's advantage is iOS requirement (15.1 vs 17.6). On price, 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. RunningCalc asks for nothing beyond the download.
RunningCalc ships an update every 5 days, RunTriX every 4 weeks. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.
| Parameter | RunningCalc | RunTriX |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Byung Hyun Martin Larvia | Markus Malz |
In-app purchases
RunningCalc
No in-app purchases
RunTriX
- RunTriX Pro$8.991 Year
- RunTriX Pro$17.99









