Comparison

Box Breathing vs Cryo

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

Cryo

This app helps you build a habit of taking cold showers to improve your health and well-being. It offers guided routines, timers, and progress tracking to support both beginners and experienced users in their cold exposure journey.

Highlights
  • Track cold shower sessions
  • Voice assisted timers
  • Voice commands for control
  • Progress-based duration guidance
  • Cold shower streak building
  • Wellness quotes
Features
Read full description

Discover the amazing health benefits of cold showers. Science shows that regular cold exposure improves mental clarity, builds grit, and helps you get healthier. To get the most benefits, make cold showers an integral part of your daily routine. Cryo helps beginners and veterans alike by making cold showers a habit with a progress-based routine. ***Features*** - Keep track of your cold shower sessions - Voice assisted warm up timer - Voice assisted cold shower timer - Voice commands for control buttons through speech recognition - We guide your cold shower duration based on your progress - Wellness quotes after every session - Build your cold shower streak Known benefits of cold showers • Reduced stress levels. Cold showers put a manageable amount of stress on your body and trains your nervous system to become resilient safely. • Improved sexual health. Prolonged exposure to cold water is shown to naturally boost testosterone production in men, boosting libido and enhancing overall strength and energy in the bedroom. • Increased willpower. Cold showers condition your mind in becoming comfortable with being uncomfortable. • Weight loss. Cold showers naturally increase your metabolic rate and are an effective method in helping you get lean and lose body fat. • Stronger immune system. Cold showers increase the number of white blood cells in your body. White blood cells are critical in protecting your body against diseases. • Faster muscle recovery. Research found that cold immersion can help enhance recovery and reduce feelings of fatigue for athletes. Cold showers help you train harder and reach your fitness goals faster. If you have any feedback, please contact us via email (getcryoapp@gmail.com) or twitter @getcryo - we will get back to you immediately!

Screenshots

Box Breathing4 screens
Cryo4 screens

Verdict

The call

The clearest difference is in-app purchases: Cryo at none against Box Breathing's 5. Cryo also leads on update cadence (every 4 days vs every 3 weeks) and review sentiment (96% vs 79%). Box Breathing's advantage is ratings volume (318 vs 71). On price, rating, ads and device support 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. Cryo asks for nothing beyond the download.

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 Cryo. Both are backed by a comparable volume of ratings — 318 and 71 respectively. Written reviews are what separate them: 79% of Box Breathing's written reviews are positive against 96% of Cryo's.

UpkeepUpdate frequency

Box Breathing ships an update every 3 weeks, Cryo every 4 days. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
Box Breathing versus Cryo: the parameters behind the verdict, then further details
ParameterBox BreathingCryo
PriceFreeFree
Rating4.8 (318 ratings)4.9 (71 ratings) — better
Positive reviews78.6% of reviews95.8% of reviews — better
Number of ratings318 — better71
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, Vision ProiPhone, iPod
Requires iOS16.015.2 — better
Further details — not scored
Size96 MB6 MB
Age rating4+4+
DeveloperSTRV s.r.o.Chan Park

Customer experience

Box Breathing

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

Cryo

All ratings71 ratings
Positive98.6%
Neutral0.0%
Negative1.4%
Written reviews24 reviews
Positive95.8%
Neutral0.0%
Negative4.2%

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
None

Cryo

No in-app purchases

Questions

Is Box Breathing free?
Box Breathing is free to download, with in-app purchases available.
Is Cryo free?
Cryo is free to download, with no in-app purchases.
Which has better reviews, Box Breathing or Cryo?
Cryo is rated higher. Box Breathing averages 4.8 out of 5 from 318 ratings, while Cryo averages 4.9 from 71 ratings.
Do Box Breathing or Cryo have ads?
Neither Box Breathing nor Cryo shows ads.
Which is updated more often, Box Breathing or Cryo?
Box Breathing ships an update every 3 weeks, and Cryo every 4 days. Most recently, Box Breathing was updated on September 22, 2026 and Cryo on September 17, 2026.

Other comparisons