Comparison

Optimal HRV vs HRV Resonant Coherence

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

Head to head
About

Optimal HRV

This app uses heart rate variability (HRV) and biofeedback to help you manage stress and improve your body's ability to calm down. It offers guided sessions, personalized breathing rhythms, and real-time feedback to train your nervous system for better stress resilience.

Highlights
  • Real-time HRV data and biofeedback
  • Personalized breathing rhythm identification
  • Guided mindfulness sessions
  • Daily check-ins and progress tracking
  • External sensor integration for accuracy
  • Multi-language support
Features
Read 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 14 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 access 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 an 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. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HRV Resonant Coherence

This app offers guided coherent breathing exercises to help you manage stress and improve focus. It provides visual, audio, and haptic feedback with customizable options for a personalized experience. Enjoy offline usability and a distraction-free interface.

Highlights
  • Guided coherent breathing
  • Visual, audio & haptic guidance
  • Customization options
  • Distraction-free design
  • Offline usability
Features
Read full description

Pace brings guided coherent breathing exercises to your phone, helping you regulate your nervous system, reduce stress, and improve focus in just a few minutes per day. # Features • Guided Coherent Breathing • Visual, audio & haptic guidance • Many customization options • Simple, distraction-free design • Offline usability # Pricing Pace is premium and ad-free. A subscription is required to use the app. We offer a 7-day free trial so you can test all features. • Annual Plan - $9.99 / year • Monthly Plan - $1.99 / month • Lifetime Plan - $24.99 once Prices shown are for US customers and may vary by region. Payment charged to Apple Account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage subscriptions in Account Settings. Terms of Use: https://www.stadelbauer.dev/terms-of-use Privacy Policy: https://www.stadelbauer.dev/privacy-policy

Screenshots

Optimal HRV4 screens
HRV Resonant Coherence4 screens

Verdict

The call

The clearest difference is review sentiment: HRV Resonant Coherence at 100% against Optimal HRV's 17%. HRV Resonant Coherence also leads on rating (4.9 vs 3.0). Optimal HRV's advantage is monetization model (free with in-app purchases vs subscription) and update cadence (fortnightly vs every 5 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Optimal HRV sells 3 in-app purchases, starting at $9.99 per month and HRV Resonant Coherence sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

HRV Resonant Coherence holds the better App Store score, 4.9 against 3.0. Both are backed by a comparable volume of ratings — 24 and 16 respectively. Written reviews point the same way: 17% of Optimal HRV's written reviews are positive against 100% of HRV Resonant Coherence's.

UpkeepUpdate frequency

Optimal HRV ships an update fortnightly, HRV Resonant Coherence every 5 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
Optimal HRV versus HRV Resonant Coherence: the parameters behind the verdict, then further details
ParameterOptimal HRVHRV Resonant Coherence
PriceFreeFree
Rating3.0 (24 ratings)4.9 (16 ratings) — better
Positive reviews16.7% of reviews100.0% of reviews — better
Number of ratings24 — better16
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size57 MB156 MB
Age rating4+4+
DeveloperOptimal, LLCChristoph Stadelbauer

Customer experience

Optimal HRV

All ratings24 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews12 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

HRV Resonant Coherence

All ratings16 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Optimal HRV

Subscriptions3
  • 1 month1 Month trial$9.991 Month
  • 6 Month1 Month trial$47.996 Months
  • One Year1 Month trial$59.991 Year
3 purchases

HRV Resonant Coherence

Subscriptions2
  • Pace Premium7 Days trial$1.991 Month
  • Pace Premium7 Days trial$9.991 Year
One-time1
  • Pace Premium Lifetime$24.99

Questions

Is Optimal HRV free?
Optimal HRV is free to download, with in-app purchases available.
Is HRV Resonant Coherence free?
HRV Resonant Coherence is free to download, with in-app purchases available.
Which has better reviews, Optimal HRV or HRV Resonant Coherence?
HRV Resonant Coherence is rated higher. Optimal HRV averages 3.0 out of 5 from 24 ratings, while HRV Resonant Coherence averages 4.9 from 16 ratings.
Do Optimal HRV or HRV Resonant Coherence have ads?
Neither Optimal HRV nor HRV Resonant Coherence shows ads.
Which is updated more often, Optimal HRV or HRV Resonant Coherence?
Optimal HRV ships an update fortnightly, and HRV Resonant Coherence every 5 weeks. Most recently, Optimal HRV was updated on October 29, 2026 and HRV Resonant Coherence on October 25, 2026.

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