App Intel

Optimal HRV: Biofeedback

LiveOptimal, LLC1 app · 9.9K installsHealth & FitnessFreeIn-app purchases: $0.99 - $59.99 per itemcom.optimalhrv.app

HRV biofeedback for stress relief. 30-day free trial. Train calm with real data.

Alert me★ WatchOpen in Play ↗
Total installs
9,941
exact · Play shows 5,000+
Installs / day
—
measured after our second crawl (about a day)
Rating
1.9★
76 ratings · 7 reviews
Released
31 Jan 2020
6.7y ago
Last update
7 Aug 2026
v7.61.61 · 2mo ago
Countries
—
not checked yet

Install history

exact counter from Google Play
Not enough history yet — check back tomorrow
Not enough history yet — check back tomorrow

Installs per day · last 90 days

Not enough history yet — check back tomorrow

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • No data collected
  • Data is encrypted in transit
  • You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

11 in 2 groups
2 Sensitive4 Notable5 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
OtherNotable9

Access to miscellaneous device features that don't fit other categories

  • See Bluetooth settings and connect to paired devices like headphones, speakers or watchespair with Bluetooth devices · BLUETOOTH
  • Turn Bluetooth on or off and find and pair with nearby Bluetooth devicesaccess Bluetooth settings · BLUETOOTH_ADMIN
  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
  • Read Google service settings stored on your deviceread Google service configuration · com.google.android.providers.gsf.permission.READ_GSERVICES

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
Are you feeling stressed, burned out, or just not yourself? Optimal HRV is the guided biofeedback app that teaches your body to calm down — for real. Backed by a Harvard Medical School mindfulness expert and trusted by athletes worldwide. Optimal HRV pairs real HRV data with live biofeedback, so every session trains your nervous system to handle stress better — not just tells you that you're stressed. Why HRV and Biofeedback Training Work Your Heart Rate Variability (HRV) is a window into how well your body handles stress, anxiety, and recovery — and biofeedback is how you train it to improve. Together, they show you what's happening inside your body, then guide you to change it in real time. With Optimal HRV, you can: •See how stressed — or relaxed — your body really is, using real HRV data. •Learn what actually helps you recover, from sleep to workouts to busy workdays. •Use live biofeedback to train your body to relax faster, right as it's happening. •Discover your own personal "perfect breathing rhythm" through guided sessions. Features You'll Actually Use •Daily Check-Ins — take a quick reading each morning, or anytime you want to see how you're doing. •Your Perfect Breathing Rhythm — a simple test finds the exact breathing pace that works best for you. •Live Feedback While You Train — a simple on-screen guide shows you when you're doing it just right. •Calming Mindfulness Sessions — guided practices created with a Harvard Medical School mindfulness expert, covering stress, anxiety, pain management, athletic performance, and more, with calming narrations in your choice of voice. •Easy-to-Read Progress — see your trends over days, weeks, and months, no data expertise needed. •Video Tutorials — learn HRV concepts and techniques at your own pace. •Make It Yours — adjust sounds, pacing, and reminders so training fits your life. •Available in 17+ Languages — use Optimal HRV in your native language. •Device Testing — quickly verify if your heart rate monitor works with the app. •Great for Teams Too — employers and coaches can track group wellness together (Dashboard Acsess Needed). Why Optimal HRV Works with External Sensors (Not Apple Watch) We choose precision over convenience. Apple Watch is great for daily wellness, but Optimal HRV is built for serious HRV training. That's why we connect directly to HRV Monitor via Bluetooth — they deliver millisecond-accurate R‑R intervals that wrist sensors can't match. What that means for you: •More accurate data – better insights, better decisions. •Real-time streaming – no gaps, no guesswork. •Reliable results – trusted by athletes and coaches worldwide. Love Optimal HRV? Leave a review and help others find their calm. Your feedback helps us improve and reaches more people who need stress relief. Try it free for 30 days and feel the difference for yourself. Download now and start training your nervous system today.

What's new

Faster, smoother, and more reliable! - Redesigned biofeedback history, post-session results, and RF assessment screens - Improved app speed and load times - Smoother audio and vibration playback - Heart rate chart now shows a rolling 1-minute view - Cancel a session after 1 min and keep your progress—no more lost data - Reliable data sync even if your internet drops - Connect devices even if already paired in your phone's Bluetooth menu - Bluetooth, navigation, and other bug fixes

Growing in Health & Fitness

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