ZonePRO Audio Workout vs NapNap App

Tired of constantly glancing at your Apple Watch to check your heart rate? ZonePRO makes zone-based training hands-free and stress-free. Just launch the app on your Apple Watch and start your workout — ZonePRO will automatically announce your heart rate whenever it changes. No tapping, no swiping, no distractions. Whether you're cruising in Zone 2 or pushing into Zone 4, ZonePRO keeps you informed in real time, so you can stay focused on your movement. Your detailed workout stats are synced and viewable on your iPhone — perfect for reviewing your performance after you crush your session.

NapNap App was created to aid a friend suffering from nightly nightmares. NapNap App helps you sleep better by quietly tracking your heart rate overnight. If your heart spikes or stress rises, it gently vibrates to help you settle. Wake up refreshed with clear insights into your sleep quality. Choose your own heart rate limits and let NapNap watch over your rest. If your heart starts racing during a nightmare, gentle wrist vibrations help ease you back into peaceful sleep, without waking you fully. No data is transmitted. All data is stored locally on your Apple Watch. Once downloaded, this app can be used offline, anytime, anywhere.