Comparison

Zone 2 vs Trainingload.ai

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

Head to head
About

Zone 2

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Zone2 Pro – Your Personal Heart Rate Zone Trainer Zone 2 training is the foundation of aerobic fitness. Zone2 Pro helps you stay in the optimal heart rate zone for fat burning, endurance building, and cardiovascular health. KEY FEATURES: β€’ Real-Time Heart Rate Zone Tracking Connect with Apple Watch for live heart rate monitoring. See instantly which zone you're in with beautiful visual feedback. β€’ 5 Heart Rate Zones - Zone 1: Recovery (50-60% HR) - Zone 2: Aerobic / Fat Burning (60-70% HR) - Zone 3: Tempo (70-80% HR) - Zone 4: Threshold (80-90% HR) - Zone 5: VO2 Max (90-100% HR) β€’ Smart Zone Calculation Uses the Karvonen formula for accurate zone calculation based on your max heart rate and resting heart rate. Supports multiple max HR calculation methods including age-based, VO2 Max, workout data, and manual entry. β€’ Weekly Zone 2 Goal Set your weekly Zone 2 training target and track your progress with intuitive progress bars. β€’ Workout History Log and review all your workouts with detailed zone breakdowns, duration, calories, and distance. β€’ Statistics Dashboard View your training trends over time – daily, weekly, and monthly stats. β€’ Multiple Workout Types Support for running, cycling, walking, hiking, swimming, tennis, elliptical, rowing, stair stepper, cross training, yoga, pilates, and strength training. β€’ Apple Watch Companion Track workouts directly from your wrist with real-time zone feedback. β€’ HealthKit Integration Seamlessly syncs with Apple Health for comprehensive health data. β€’ Beautiful Dark Mode UI Liquid glass design with luminous accents for a premium experience. Whether you're a beginner building your aerobic base or an experienced athlete optimizing Zone 2 training, Zone2 Pro is your essential companion.

About

Trainingload.ai

Features
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Start with a complete running plan. Follow it your way. Add AI coaching when training changes. Trainingload.ai brings your plan, completed workouts, fitness, fatigue, recovery, and training load together. Every user can follow complete official plans and move or edit workouts manually. Plus and Pro add an AI Coach that compares planned and completed training, then suggests adjustments for you to review and confirm. FOLLOW A COMPLETE RUNNING PLAN β€’ Choose from Couch to 5K, 5K, 10K, half marathon, and marathon plans β€’ See every workout and the progression across each week β€’ Move or edit sessions yourself when life changes ADAPT WITH AI COACH β€’ Compare planned and completed training β€’ Account for missed, moved, shortened, and extra workouts β€’ Use training load, fitness, fatigue, recovery, and current ability as context β€’ Review and confirm suggested changes before your calendar updates KNOW WHAT TO DO TODAY β€’ See today’s workout, targets, duration, distance, and estimated load β€’ Check your current fitness and fatigue at a glance β€’ Understand how today fits into the rest of the week UNDERSTAND EVERY ACTIVITY β€’ Review pace, heart rate, power, cadence, and other supported metrics β€’ Explore trends and intensity-zone distributions β€’ See how each activity contributes to training load and plan completion RECORD AND SYNC β€’ Record supported workouts on iPhone and Apple Watch β€’ Connect Apple Health with your permission β€’ Keep planned and completed training together in one view Trainingload.ai is for runners and cyclists who want a structured plan, useful training analysis, and coaching that responds to what they actually do. Training and health insights are informational and are not medical advice. Some AI Coach features require Plus or Pro. Terms of Use: https://www.trainingload.ai/en/terms-and-conditions Privacy Policy: https://www.trainingload.ai/en/privacy

Screenshots

Zone 24 screens
Trainingload.ai4 screens

Verdict

The call

Zone 2 and Trainingload.ai are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Zone 2 sells 1 one-off in-app purchase and Trainingload.ai sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Zone 2 versus Trainingload.ai: the parameters behind the verdict, then further details
ParameterZone 2Trainingload.ai
PriceFreeFree
Update frequencyβ€”Weekly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, Apple Watch β€” better
Requires iOS16.616.4 β€” better
Further details β€” not scored
Size6 MB85 MB
Age rating4+12+
DeveloperVu Tranη«‹δΉΎ 史

In-app purchases

1 purchases

Zone 2

One-time1
  • Pro Unlock$4.99
2 purchases

Trainingload.ai

Subscriptions2
  • PLUS Monthly$4.991 Month
  • PRO Monthly$9.991 Month

Questions

Is Zone 2 free?
Zone 2 is free to download, with in-app purchases available.
Is Trainingload.ai free?
Trainingload.ai is free to download, with in-app purchases available.
Do Zone 2 or Trainingload.ai have ads?
Neither Zone 2 nor Trainingload.ai shows ads.

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