Body Insights for Apple Watch vs Training Stack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Body Insights for Apple Watch
Transform your Apple Watch data into a comprehensive health dashboard. This app unifies key metrics like heart rate, temperature, and blood glucose for science-backed daily insights. Optimize your fitness and wellbeing with advanced analytics and personalized readiness scores.
- Unified health metrics dashboard
- Fitness Age and HRV tracking
- Daily recovery and risk scores
- Sleep and temperature analysis
- Stress and body battery monitoring
- CGM integration for metabolic analysis
- Illness prediction engine
Read full descriptionHide full description
Transform your Apple Watch data into a powerful health command center. Body Insights unifies your key health metrics-from heart rate and temperature to blood glucose-into one science-backed daily overview. Gain Whoop-level analytics and Pura-grade insights directly on your iPhone to optimize your fitness and wellbeing. Unify Your Data, Understand Your Body Combine diverse health signals for a holistic picture of your daily health. Core Features (Free): • Fitness Age & HRV: Discover your true biological age and track Heart Rate Variability. • Recovery & Risk Score: Your daily readiness score uses sleep, stress, and RHR to highlight overtraining risk. • Sleep & Temperature Analysis: Analyze sleep stages and nighttime temperature trends. • Stress & Body Battery: Map daily stress and visualize your energy battery reserves. • Comprehensive HR Tracking: Monitor your pulse, workout strain, and ECG-compatible trends. Blood Glucose Analysis (CGM Required - Premium) Integrate a CGM to see how blood glucose interacts with everything. Unlock unified metabolic analysis by combining glucose trends with sleep, exercise, and recovery for enhanced risk insights. Training Load (Premium) Workout at optimal pace, prevent overtraining and injury with our workout load tracker. Get know how much training you need to achieve optimal stage and workout smarter! Illness Prediction Engine (Premium) Know before you feel sick. Our algorithm analyzes 7 health signals-like HRV, temperature, and heart rate-to detect illness risk 2-3 days early with smart alerts and a confidence score. Stress Burnout Manager (Premium) Let the app monitor your stress signals and notify you when it's not the best day to make important decisions or when to slow down. High fidelity HRV RMSSD (Premium) For fitness, recovery, and readiness scores, RMSSD better indicates parasympathetic tone and autonomic balance without dilution from long-term cycles. RMSSD’s precision in everyday scenarios makes it superior. Choose Your Plan • Free: All core features: Fitness Age, Sleep Scores, Stress, HRV, Recovery, Body Battery. • Premium: Unlock the Illness Prediction Engine, CGM integration for unified metabolic analysis, and advanced risk insights. Disclaimer: Body Insights is for health education and preventative wellness. It is not medical advice or a diagnostic tool. CGM features require separate hardware. By using this app you're agreeing to standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Training Stack
This app consolidates running, strength training, and short exercise bursts into a single platform. It allows users to import training plans, track progress with detailed analytics, and integrate with health data. Personalize your fitness journey with customizable plans and shareable progress reports.
- Import running and strength training plans
- Track running, strength, and exercise snacks
- Apple Health integration for automatic syncing
- Detailed running and strength analytics
- Customizable strength training with 400+ exercises
- Widgets and Live Activities for quick access
- Weather integration for optimized runs
Read full descriptionHide full description
Training Stack is the all-in-one fitness app for runners who also lift. Track your running, strength training, and quick exercise snacks—all in one place. RUNNING & TRAINING PLANS - Create multi-week running plans with 11 workout types including Easy, Tempo, Intervals, Long Run, and more - Import plans from Markdown, CSV, ChatGPT, or Claude - Track plan progress with skip/unskip options and recovery scheduling - Add run notes capturing intent, effort level, and conditions APPLE HEALTH INTEGRATION - Sync running workouts automatically from Apple Health - Track distance, pace, calories, heart rate, elevation, and cadence - Link your scheduled workouts to completed runs - Capture weather conditions at workout time RUNNING ANALYTICS - Weekly, monthly, and all-time mileage tracking - Year-over-year comparisons to see your progress - Fastest paces for mile, 5K, and 10K distances - Heart rate analysis including zones, HRV, and VO2 Max - Training load ratios and running streaks STRENGTH TRAINING - Build multi-week strength plans with flexible splits (Full Body, Upper/Lower, Push/Pull/Legs) - 400+ built-in exercises organized by muscle group and equipment - Track sets, reps, weight, RPE, and failure - Support for supersets, circuits, drop sets, and time-based exercises - Personal records and 1RM estimation - Rest timer with haptic feedback EXERCISE SNACKS - Schedule 1-5 minute exercise bursts throughout your day - Create custom sessions with multiple exercises - Track streaks and build consistent movement habits - Quick logging from notifications - 10 color themes to personalize your snacks WIDGETS & LIVE ACTIVITIES - Home screen widgets showing weekly mileage and charts - Lock screen widgets for quick stats - Live Activities during strength workouts and exercise snacks - Dynamic Island support WEATHER INTEGRATION - Real-time conditions and forecasts - Running conditions score (0-100) based on temperature, wind, and precipitation - Plan your runs around the best weather windows SHARE YOUR PROGRESS - Beautiful shareable graphics for runs and weekly summaries - Multiple themes optimized for Instagram, Twitter, and more - Customize what stats to include - Export your health profile for AI coaching integration HYBRID TRAINING - Link running and strength plans together - See your combined daily schedule - Smart conflict resolution for busy training days Built for runners who want to get stronger without juggling multiple apps. Training Stack brings your entire fitness routine into one streamlined experience. https://www.apple.com/legal/internet-services/itunes/dev/stddevelopereula/
Screenshots
Verdict
The clearest difference is rating: Training Stack at 5.0 against Body Insights for Apple Watch's 4.5. Training Stack also leads on review sentiment (100% vs 64%). Body Insights for Apple Watch's advantage is update cadence (every 3 days vs every 3 months) and ratings volume (60 vs 6). On price, ads, in-app purchases and monetization model 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. Body Insights for Apple Watch sells 4 in-app purchases, starting at $1.99 per 7 days and Training Stack sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Training Stack holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Body Insights for Apple Watch has 60 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 64% of Body Insights for Apple Watch's written reviews are positive against 100% of Training Stack's.
Body Insights for Apple Watch ships an update every 3 days, Training Stack every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Body Insights for Apple Watch | Training Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (60 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 63.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 60 — better | 6 |
| Update frequency | Every 3 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 18.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 64 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Justinas Jakunas | Raven Howard |
Customer experience
Body Insights for Apple Watch
Training Stack
In-app purchases
Body Insights for Apple Watch
- Weekly$1.997 Days
- Monthly$8.991 Month
- Quartely Health Insights$19.993 Months
Show 1 moreShow fewer
- Yearly1 Year trial$34.991 Year
Training Stack
- Pro Stacker - Monthly$4.991 Month
- Pro Stacker - Annual7 Days trial$19.991 Year
- Pro Stacker - Believer$99.99
Questions
Is Body Insights for Apple Watch free?
Is Training Stack free?
Which has better reviews, Body Insights for Apple Watch or Training Stack?
Do Body Insights for Apple Watch or Training Stack have ads?
Which is updated more often, Body Insights for Apple Watch or Training Stack?
Other comparisons















