Workout Data vs Stacking
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Workout Data
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Workout Data is an app that allows you to view time in heart rate zones, total distance and total time for your workouts that sync with the Apple Workout and Health Apps. You can select to view this data by month, week or day and filter by specific activity types and date ranges.
Stacking
This app helps you understand your long-term running progress and consistency. Visualize your workouts with trend charts and activity grids, set personalized goals, and gain insights into your performance. It integrates with Apple Health to track various metrics and offers customization options for your training preferences.
- Trend charts for long-term progress
- Activity grids for workout history
- Heart rate zone analysis
- Personalized fitness goal setting
- Progress tracking for multiple activities
- Insights and comparisons
- Apple Health integration
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Your Apple Watch tracks every run. But are you actually getting better? Stacking is your running companion for the long run. Understand your long-term progress, set goals that match how you train, and master the consistency that makes you a better runner. Your Workouts, Visualized - Trend Charts - Track your running progress over weeks, months, and years with clear visual comparisons - Activity Grids - See your workout history at a glance with intuitive calendar views for the week, month, and year - Heart Rate Zone Analysis - Understand the intensity of every workout with detailed 5-zone breakdowns using the proven Heart Rate Reserve method - Explore detailed run data & charts - Filter your past workouts and view detailed data for your runs, which includes effort insights, heart rate data, pace, grade adjusted pace, splits and more. Set Goals That Stick Create personalized fitness goals that match how you actually train: - Frequency - "Run 3 times a week" - Duration - "Exercise for 150 minutes a week" - Distance - "Cycle 100 km a month" - Elevation - "Gain 5,000 m this year" Track progress for any activity: running, cycling, swimming, strength training, yoga, HIIT, and more. Set weekly, monthly, or yearly targets and watch your progress build. Insights That Matter - Compare this week to last week, this month to last month, this year to last year - Filter by activity type to focus on what matters to you - Track total time, distance, and elevation gained across all your workouts - Track Resting Heart Rate, HRV, VO2 Max, Active Energy, and Cardio Recovery with clear 3-year trends from Apple Health Upgrade to Stacking Pro - Monitor your heart rate zones over time - Compare your easy pace week-to-week improvements - View your Yearly Activity progress - and more! Built for Your Preferences - Customize heart rate zones to match your training - Choose your units: kilometers or miles, meters or feet - Set your week to start on Monday or Sunday Privacy First Stacking reads directly from Apple Health. Your data stays on your device where it belongs. --- Stack your runs. Track your trends. See your progress. For terms of service: https://stackingapp.net/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Workout Data at none against Stacking's 3. Stacking's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Stacking sells 3 in-app purchases, starting at $4.99 per month. Workout Data asks for nothing beyond the download.
Workout Data ships an update every 3 months, Stacking every 2 weeks. The most recent releases landed on September 25, 2026 and June 5, 2026 respectively.
| Parameter | Workout Data | Stacking |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 8 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Piryon Enterprises LLC | Jeremiah Daneil de la Rouviere |
In-app purchases
Workout Data
No in-app purchases
Stacking
- Stacking Pro - Monthly$4.991 Month
- Stacking Pro - 14-day accessFree
- Stacking Pro - Lifetime Access$19.99









