ZoneFlow vs Beat Stride 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZoneFlow
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ZoneFlow: Effortless Heart Rate Training Stay in your optimal performance zone without constant screen checking. ZoneFlow is the ultimate minimalist training companion for runners who want to train smarter, not harder. Why ZoneFlow? Silent Zone Guidance Haptic feedback keeps you precisely in your target heart rate zone No more constant screen glances - run with pure focus Advanced algorithms track your heart rate in real-time Intelligent Training Custom heart rate zone setup for personalized training Works seamlessly with Apple Watch Supports all fitness levels, from beginners to elite athletes Key Features Customizable heart rate zones Minimal, distraction-free interface Accurate heart rate monitoring Instant haptic alerts when you drift from your zone Perfect for: Marathon trainers Endurance athletes Fitness runners seeking precision Train smarter. Run free. Run with ZoneFlow.
Beat Stride 2
This app analyzes your heart rate and steps to provide a Heart Efficiency Index, a unique metric for understanding your fitness level. Track your progress with daily and monthly charts and sync data seamlessly with Apple Health.
- Heart Efficiency Index score
- Daily and monthly progress charts
- Track fitness improvement
- Apple Health integration
- Color-coded heat maps
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BeatStride: Your Heart & Step Efficiency Tracker Take control of your fitness journey with BeatStride. By analyzing your heart rate and steps, our app gives you a unique metric—the Heart Efficiency Index—to help you understand your fitness level in a new way. Key Features: Heart Efficiency Index: Get a single, easy-to-understand score that reveals your heart's efficiency. Daily & Monthly Charts: View your progress over time with intuitive, color-coded heat maps and charts. Track Your Progress: See how your efficiency improves with every step you take. Seamless Integration: Syncs effortlessly with Apple Health to securely access your data. BeatStride is the simple, powerful way to measure what matters most.
Screenshots
Verdict
The clearest difference is ads: ZoneFlow at none against Beat Stride 2's shown. ZoneFlow also leads on iOS requirement (13.0 vs 16.6). Beat Stride 2's advantage is update cadence (every 4 weeks vs every 18 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
ZoneFlow ships an update every 18 months, Beat Stride 2 every 4 weeks. The most recent releases landed on May 31, 2026 and August 22, 2026 respectively.
| Parameter | ZoneFlow | Beat Stride 2 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 18 months | Every 4 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 2 MB | 19 MB |
| Age rating | 4+ | 12+ |
| Developer | Adrian Rollett | Marc L. Melcher |
In-app purchases
ZoneFlow
No in-app purchases
Beat Stride 2
No in-app purchases





