Comparison

Box Breathing 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

Box Breathing

Enhance your well-being with guided breathwork exercises. This app offers personalized sessions based on a breathing test, with categories for calm, sleep, focus, and energy. Experience immersive audio, haptic feedback, and sound cues for stress reduction and improved performance.

Highlights
  • Personalized breathing test
  • Exercise categories (Calm, Sleep, Focus, Energize)
  • Audio guide and sound cues
  • Haptic feedback
  • CO2 tolerance test
  • Stress and anxiety relief
Features
Read full description

Unlock the power of breathwork and improve your physical and mental well-being with Float - the ultimate breathing app that makes it easy to breathe. Customize your experience with a breathing test and choose from exercise categories for calm, sleep, focus, quick relief, and energize. Used by top coaches and athletes, Float combines an audio guide, haptic feedback, and sound cues for a truly immersive breathing experience. Breathing is an essential practice for both your physical and mental well-being and Float is the ultimate breathing app that guides you through personalized breathing exercises to help you increase your performance throughout the day and reduce stress & anxiety. With Float, you can take a CO2 tolerance test, which gives us a reliable idea about your breathing in the last weeks and months. This test allows us to customize the breathwork to your very individual demands, ensuring you get the most out of each session. Whether you're an athlete or an office worker, practicing breathwork can be a powerful way to boost your health, and performance, control your nervous system and manage anxiety. Practicing breathwork is scientifically proven to increase your physical and mental performance. The benefits of learning to breathe with Float are endless, including relief from stress and anxiety, emotional healing, increased CO2 tolerance, improved immunity, and easier sleep. You'll also develop or increase self-awareness, enrich your creativity, improve focus and clarity, and boost your confidence and self-esteem. Breathwork with Float can also help you process emotions, heal emotional pain and trauma, and increase your CO2 tolerance. Additionally, it can help boost your immunity, fall asleep easily, enrich creativity, and improve focus, gain clarity and reduce brain fog. Float's breathwork exercises are curated by some of the top breathing coaches and are used by psychologists, physiotherapists, Olympic athletes, Navy SEALs, freedivers, yogis, and neuroscientists. We continue to work on expanding the breathwork exercises library to cover the most frequent stressful events occurring during the day. Breathing exercises are categorized into CALM, SLEEP, FOCUS, QUICK RELIEF, and ENERGIZE. The list of breathing exercises available in Float includes: – 4-7-8: Drift into sleep – Acumen: Get clarity, get focused – Alert: Get ready for action – Balance: Reconcile left & right brain – Box Breathing: Be right here, right now – Coherent: Stabilize your mood – Doping: Pre-workout routine – Ninja: Get calm like a ninja – Recovery: Cool down after a workout – Resonance: Sharpen your mind – Slumber: Sleep soundly – Sunrise: Rise & shine – Sunset: End the day in serenity – Unblock: Set your nose free – Wind Down: Take a moment to deeply relax – NSDR: Non-Sleep Deep Rest Please be aware that sessions can cause and are not limited to: – Tingling – Dizziness – Trembling, shaking, or other physical sensations – Emotional experiences – Experience energy moving through your body Got a question? Send us an email at team@keepfloating.com DISCLAIMER: This content in the Float app is not medical advice or a treatment plan and is intended for general education and demonstration purposes only. The content should not be used to self-diagnose or self-treat any health, medical, or physical condition. Don’t use this content to avoid going to your own healthcare professional or to replace the advice they give you. Consult with your healthcare professional before doing anything contained in this content. Links: Privacy Policy - https://www.keepfloating.com/privacy-policy Terms of Use - https://keepfloating.com/terms Instagram - https://www.instagram.com/float.breath TikTok - https://www.tiktok.com/@float.breath The Float app saves your meditation and sleep sessions to your Apple Health app.

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

Box Breathing4 screens
HRV Resonant Coherence4 screens

Verdict

The call

The clearest difference is monetization model: Box Breathing at free with in-app purchases against HRV Resonant Coherence's subscription. Box Breathing also leads on ratings volume (318 vs 11) and iOS requirement (16.0 vs 26.0). HRV Resonant Coherence's advantage is review sentiment (100% vs 79%). On price, rating, update cadence and ads 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. Box Breathing sells 5 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

On the App Store both sit at effectively the same score — 4.8 for Box Breathing against 4.9 for HRV Resonant Coherence. That said, the two scores are not equally well evidenced: Box Breathing has 318 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 79% of Box Breathing's written reviews are positive against 100% of HRV Resonant Coherence's.

UpkeepUpdate frequency

Box Breathing ships an update every 3 weeks, HRV Resonant Coherence every 5 weeks. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

Scorecard4 real differences · 6 level
Box Breathing versus HRV Resonant Coherence: the parameters behind the verdict, then further details
ParameterBox BreathingHRV Resonant Coherence
PriceFreeFree
Rating4.8 (318 ratings)4.9 (11 ratings) — better
Positive reviews78.6% of reviews100.0% of reviews — better
Number of ratings318 — better11
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, Vision ProiPhone, iPad
Requires iOS16.0 — better26.0
Further details — not scored
Size96 MB156 MB
Age rating4+4+
DeveloperSTRV s.r.o.Christoph Stadelbauer

Customer experience

Box Breathing

All ratings318 ratings
Positive94.7%
Neutral1.9%
Negative3.5%
Written reviews42 reviews
Positive78.6%
Neutral2.4%
Negative19.0%

HRV Resonant Coherence

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Box Breathing

Subscriptions4
  • Float PRO - Monthly Membership$9.991 Month
  • Float PRO Breathing Exercises$39.991 Year
  • Float PRO Breathing Exercises$49.991 Year
Show 1 more
  • Float PRO Breathing Exercises7 Days trial$69.991 Year
One-time1
  • Float PRO Breathing Exercises$199.99
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 Box Breathing free?
Box Breathing 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, Box Breathing or HRV Resonant Coherence?
HRV Resonant Coherence is rated higher. Box Breathing averages 4.8 out of 5 from 318 ratings, while HRV Resonant Coherence averages 4.9 from 11 ratings.
Do Box Breathing or HRV Resonant Coherence have ads?
Neither Box Breathing nor HRV Resonant Coherence shows ads.
Which is updated more often, Box Breathing or HRV Resonant Coherence?
Box Breathing ships an update every 3 weeks, and HRV Resonant Coherence every 5 weeks. Most recently, Box Breathing was updated on September 22, 2026 and HRV Resonant Coherence on September 13, 2026.

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