Live coaching cues
Receive clear voice and vibration prompts when your effort needs a change.
A compatible Wahoo heart-rate monitor can provide ZoneCue Cardio with your live Bluetooth heart rate. ZoneCue uses it to monitor your target and deliver proactive cues throughout the session.
Requires Android and a Wahoo heart-rate monitor broadcasting over Bluetooth.
Connect Wahoo
Requires Android and a Wahoo heart-rate monitor broadcasting over Bluetooth.
Wear and activate your Wahoo heart-rate monitor.
Confirm its Bluetooth connection is available, then select it in ZoneCue Cardio.
Set your zones and workout goal, and let ZoneCue monitor the session.
What ZoneCue adds to Wahoo
Wahoo sensors are strong sources of live heart-rate data, and companion apps can record workouts. ZoneCue is designed to turn that same signal into active, goal-aware coaching throughout the session.
Receive clear voice and vibration prompts when your effort needs a change.
Cues can arrive before or as you leave the target, giving you time to respond smoothly.
Use steady Zone 2, Norwegian 4×4 or studio-style zones with goals you choose.
Connect zone discipline, recovery, aerobic efficiency and exertion instead of reviewing heart rate alone.
One community. Many sensors.
ZoneCue brings users with different sensors into one beta community. Together, testers can share what works, identify connection differences and shape features around real workouts—not one hardware ecosystem.
Join with Wahoo →Compare zone strategies and workout structures with people using different sensors.
Report real connection behavior so support can become broader and more reliable.
Help prioritize the coaching, goals and insights that matter during actual training.
Learn your zones
Your body uses a mix of fat and carbohydrate for energy during cardio. As intensity rises, that balance gradually changes—it is not an on/off switch.
Easy and sustainable. Useful for recovery and adding activity volume.
Substantial fat contribution, meaningful aerobic conditioning and sustainable for longer sessions.
A stronger tempo effort as carbohydrate demand begins to rise.
Hard threshold work with greater reliance on glycogen and faster fatigue.
Near-maximal, carbohydrate-dominant work that is difficult to sustain.
The useful middle ground
Zone 2 is hard enough to provide a meaningful aerobic stimulus, moderate enough to maintain substantial fat oxidation and easy enough to sustain. With consistent aerobic training, your mitochondria (aerobic engines inside your muscle cells) can become more numerous and efficient, helping you produce more energy aerobically and do more work at the same heart rate.
Zone 2 is not the only valuable training zone. It is simply one of the most practical places to build your aerobic foundation.
Keep the distinction clear
A workout can emphasize fat oxidation without guaranteeing a loss of body fat. Long-term changes in body fat also depend on overall energy intake and expenditure over time.
Heart-rate zones are estimates and vary by person, method and device. This lesson is general fitness education, not medical advice.
Further reading: fat oxidation and exercise intensity · exercise and mitochondrial adaptation
Join the tester community
Join the closed Google Play test using the Google Account email in your application.
Complete at least two cardio workouts and test the Wahoo connection and coaching cues.
Tell us what happened—including bugs, confusing moments and features that helped.
Limited beta
We’re looking for a mix of Android phones, heart-rate sensors and cardio routines. The beta is free, and every current feature is included.
Prefer to wait?
Interested, but not ready to beta test? Join the launch list and we’ll let you know when the Android app becomes publicly available.
Please read before applying
ZoneCue Cardio is beta software intended for general fitness and informational purposes only. It is not a medical device and does not provide medical advice, diagnosis or treatment. Heart-rate readings, alerts and workout guidance may be delayed, interrupted or inaccurate. Consult a qualified healthcare professional before beginning or changing an exercise program, and stop exercising if you experience pain, dizziness, unusual shortness of breath or other concerning symptoms. Participation is voluntary and use of the beta is at your own risk.
ZoneCue Cardio is an independent app and is not affiliated with or endorsed by WHOOP, Polar, Garmin, Wahoo or Orangetheory Fitness.