Life & fun · alternatives · 2026
24 alternatives to Function101 HeartSync for Apple Watch
Connect Apple Watch heart rate to fitness gear
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Function101 HeartSync for Apple Watch launched in 2021; newer entries below may have overtaken it.
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2015 · cardiogr.am · its alternatives →
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GlowPulse▲109Your Mac's camera is now a heart-rate sensor
Jun 2026 · glowpulse.cc · its alternatives →
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Two new heart-rate enabled smartwatches + 3G wearable
2016 · its alternatives →
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Transform your Apple Watch into the ultimate health tracker
2019 · its alternatives →
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Live Recording with Apple Watch
Sep 2025 · apps.apple.com · its alternatives →
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API to easily stream real-time health data from wearables
2023 · its alternatives →
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- 14WL
2021 · apps.apple.com · its alternatives →
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Turn Apple Watch into Bluetooth haert rate monitor
Apr 2026 · apps.apple.com · its alternatives →
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- 17EB
Through controlled breathing it is possible to regulate your body's stress response. I've built an app to measure and train this effect with a Polar H10 Heart Rate monitor. With every breath you take, you can set the pace of your breathing rate, measure your breathing control with the chest accelerometer, and see how heart rate variability responds.
2023 · github.com · its alternatives →
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Measure hydration levels & body composition on your Watch
2020 · its alternatives →
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- 24HR
I built this iOS app because I wanted to get an overview of my time in zones per week without checking zones after every workout manually - Now I'm looking for feedback. Description: Track time in heart rate zones. Track per day, week, month, 7 days and 30 days time period and how much time you spend in each zone. Set goals & visualize progress. Get details about heart rates zones of your workouts. Features: Custom time periods, Workout to zone attribution to get a feeling which sport attributed most to each zone, Multiple zone calculation methods, Set personal time goals for any zone,…
2025 · apps.apple.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →