Comparison

HR Broadcast vs Zone 2 Training App

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

Head to head
About

HR Broadcast

Features
Read full description

HR Broadcast is a free app that helps you use Apple Watch heart rate in supported cycling apps and compatible bike computers. Start the Watch App on Apple Watch to collect your live heart rate. Then keep HR Broadcast open on iPhone to relay that heart rate as a standard Bluetooth Heart Rate sensor. In your cycling app, choose the iPhone heart rate sensor. Some apps may show your iPhone name instead of the six-digit broadcast code. Works with apps and devices that support Bluetooth Heart Rate sensors, including iPad or computer cycling apps such as MyWhoosh and Zwift, and some compatible bike computers. Why HR Broadcast: - Free to use. - No subscription required. - No extra chest strap required if you already use Apple Watch. - Simple Apple Watch + iPhone workflow. - Built for cycling apps and compatible bike computers that support Bluetooth heart rate sensors. Notes: - Requires Apple Watch for real-time heart rate collection. - Keep HR Broadcast open on iPhone while broadcasting. - The Apple Watch App may install automatically after installing the iPhone app. If it does not appear, open the iPhone Watch app and install HR Broadcast manually. - Some bike computers, such as Garmin Edge 530, may not be supported due to firmware limitations. Please test with your own device.

About

Zone 2 Training App

Features
Read full description

Zone 2 Heart Rate Training Tracker Train smarter, build endurance, and improve stamina with a simple heart rate training app designed to help you stay in the right heart rate workout zone. Zone 2 helps you track how much of your weekly workout time is spent in the zone 2 heart rate training range, typically around 60–70% of your maximum heart rate. This lower-intensity training zone is widely used by runners, cyclists, athletes, and fitness enthusiasts to improve aerobic fitness, support fat-burning efficiency, and build long-term endurance without overtraining. Whether you are working on pacing, stamina, VO2 max, or overall cardiovascular fitness, Zone 2 makes it easy to understand your heart rate training zones and track your progress over time. Track Your Heart Rate Zones See how much time you spend in each heart rate training zone during your workout: • Zone 1 – Easy recovery • Zone 2 – Aerobic endurance and fat-burning • Zone 3 – Moderate tempo training • Zone 4 – High-intensity threshold training • Zone 5 – Maximum effort and VO2 max training With clear heart zones, you can better understand your effort level and train with purpose. Built for Zone 2 Training Zone 2 heart rate training is one of the most effective ways to build endurance, improve stamina, and create sustainable fitness gains. The app helps you stay consistent by showing your weekly zone 2 minutes and helping you aim for 150 minutes or more of weekly zone 2 exercise. Your ideal zone 2 target may vary based on your fitness level, age, and goals, but tracking it consistently can help you improve your aerobic base over time. Live Heart Rate Workout Tracking Use Zone 2 during running, cycling, walking, gym workouts, cardio sessions, or any heart rate workout where pacing matters. If you have an Apple Watch, you can track your heart rate zone progress directly during your workout. If you do not have an Apple Watch, you can connect common Bluetooth heart rate monitors such as Polar H10, Garmin chest straps, and compatible Garmin watches to view your heart rate zones live. Improve Endurance, Pacing & Stamina Zone 2 is built for people who want to train smarter, not harder. Use it to: • Track zone 2 heart rate training minutes • Monitor zone 3 heart rate training, zone 4 heart rate training, and zone 5 heart rate training • Improve pacing during runs and cardio workouts • Build endurance and stamina over time • Support aerobic fitness and recovery • Understand your heart rate training zone distribution • Track progress toward better VO2 max and cardiovascular performance Simple Weekly Progress The app keeps your training simple by showing how much time you spend in zone 2 each week. Instead of guessing your effort, you can clearly see whether your workouts are helping you build the aerobic base needed for better performance. Zone 2 is perfect for runners, cyclists, beginners, endurance athletes, and anyone who wants a smarter way to train using heart rate zones. Start tracking your zone 2 training today and build better endurance, stronger stamina, and smarter workout habits. Privacy - https://sites.google.com/view/privacy-policy-apps1/home Terms - https://sites.google.com/view/privacy-policy-apps1/home

Screenshots

HR Broadcast4 screens
Zone 2 Training App4 screens

Verdict

The call

The clearest difference is update cadence: HR Broadcast at every 4 days against Zone 2 Training App's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HR Broadcast ships an update every 4 days, Zone 2 Training App monthly. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

Scorecard1 real difference Ā· 5 level
HR Broadcast versus Zone 2 Training App: the parameters behind the verdict, then further details
ParameterHR BroadcastZone 2 Training App
PriceFreeFree
Update frequencyEvery 4 days — betterMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, Apple Watch — betteriPhone, Apple Watch
Requires iOS18.517.0 — better
Further details — not scored
Size9 MB18 MB
Age rating4+4+
DeveloperSHUTAO SHENSanjay Gill

In-app purchases

None

HR Broadcast

No in-app purchases

None

Zone 2 Training App

No in-app purchases

Questions

Is HR Broadcast free?
HR Broadcast is free to download, with no in-app purchases.
Is Zone 2 Training App free?
Zone 2 Training App is free to download, with no in-app purchases.
Do HR Broadcast or Zone 2 Training App have ads?
Neither HR Broadcast nor Zone 2 Training App shows ads.
Which is updated more often, HR Broadcast or Zone 2 Training App?
HR Broadcast ships an update every 4 days, and Zone 2 Training App monthly. Most recently, HR Broadcast was updated on October 2, 2026 and Zone 2 Training App on September 29, 2026.

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