Comparison

Flow Lab vs Box Breathing

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

Head to head
About

Flow Lab

This app acts as a digital coach to enhance concentration, self-confidence, and grit. It uses personalized guided meditations and exercises based on positive psychology research to help users develop a growth mindset and achieve peak performance.

Highlights
  • Personalized guided meditation
  • Daily coaching exercises
  • Flow profile analysis
  • Growth mindset development
  • Mindfulness and breathing exercises
  • Goal setting and visualization
Features
Read full description

Flow Lab is your digital performance & mindset coach to improve your concentration, self-confidence & grit through personalized guided meditation and coaching exercises. Based on research in Positive Psychology our digital coach analyzes your mental and emotional state and generates your individual flow profile by asking you about your challenges, feelings and experiences on a daily basis. In your weekly schedule you will find guided meditations that help you to find the concentration and motivation to overcome procrastination to unlock peak performance and productivity. Our Flow Coaching helps you develop a growth mindset that gives you the self confidence, optimism and grit to step out of your comfort zone and find into the Flow State - the mental state where peak performance and productivity feel fun and effortless. Did you know that in Flow we are up to 5 times more productive, increase our creativity by up to 600% and learn up to 5 times faster! MENTAL TRAINING TECHNIQUES YOU’LL FIND IN OUR FLOW SESSIONS: - Mindfulness Meditations - Breathing Exercises - Goal Setting - Visualization - Positive Affirmations - Mindset Priming - Hypnosis - Relaxation - Inspirational Quotes - and others from Cognitive Behavioral Therapy, Mental Coaching and Performance Psychology WHAT DO YOU TRAIN WITH FLOW LAB? Focus - Strengthen your self-awareness, concentration and attentional control to productively manage distractions and mind wandering. Ease - Learn to balance yourself emotionally to remain calm and level-headed - even under stress. Optimism - Develop the self-confidence and positive thinking habits to master difficult challenges with determination and joy. Drive - Increase your grit, stoicism and perseverance and develop a growth mindset that fuels the motivation you need to achieve your goals. HOW DO YOU TRAIN WITH FLOW LAB? With Flow Lab you train your mind in guided audio sessions to master your everyday challenges with more flow. Through mindfulness-based meditation and breathing exercises you will increase your ability to concentrate and your emotional balance. But Flow Lab is more than traditional mindfulness training: Science-based mental training exercises from positive neuroplasticity training and cognitive behavioral therapy also help you cultivate positive emotions, overcome limiting beliefs and develop an optimistic and resilient mindset. SUBSCRIPTIONS AND CONDITIONS The subscription is automatically renewed unless it is cancelled at least 24 hours before the end of the current term. Your iTunes account will be charged for the next term within 24 hours of the current subscription expiring. You can turn off automatic renewal at any time via iTunes Account Settings. Flow Lab integrates with the Apple Health app. If you chose to connect Flow Lab with Apple Health you will be able to track your meditations as mindful minutes. Learn more about our privacy policy and terms and conditions here: https://theflowlab.de/en/privacy-policy/ https://theflowlab.de/en/terms-and-conditions/

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.

Screenshots

Flow Lab4 screens
Box Breathing4 screens

Verdict

The call

Flow Lab and Box Breathing are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Flow Lab sells 9 in-app purchases, starting at $11.49 per month and Box Breathing sells 5 in-app purchases, starting at $9.99 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 Flow Lab against 4.8 for Box Breathing. Both are backed by a comparable volume of ratings — 893 and 320 respectively. Written reviews split almost evenly too, at 78% and 79% positive.

UpkeepUpdate frequency

Flow Lab ships an update monthly, Box Breathing every 3 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

ScorecardNo meaningful differences
Flow Lab versus Box Breathing: the parameters behind the verdict, then further details
ParameterFlow LabBox Breathing
PriceFreeFree
Rating4.8 (893 ratings) — better4.8 (320 ratings)
Positive reviews77.6% of reviews78.6% of reviews — better
Number of ratings893 — better320
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, Vision Pro
Requires iOS15.1 — better16.0
Further details — not scored
Size56 MB96 MB
Age rating4+4+
DeveloperQuantum Craft UG (haftungsbeschränkt)STRV s.r.o.

Customer experience

Flow Lab

All ratings893 ratings
Positive96.8%
Neutral0.8%
Negative2.5%
Written reviews143 reviews
Positive77.6%
Neutral5.6%
Negative16.8%

Box Breathing

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

Bugs and requests

Flow Lab

Reported bugs

4 issues
  • App crashes on load
  • Frequent freezing and loading issues
  • Subscription and payment problems
  • Incompatibility with newer devices

Requested features

5 requests
  • Option to switch to a different voice narrator
  • Improved app stability and reliability
  • Better customer support and communication
  • More diverse meditation content and techniques
  • Clearer pricing and trial information upfront

Box Breathing

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Flow Lab

Subscriptions9
  • Monthly Subscription2 variants$11.491 Month
  • Quarterly Subscription7 Days trial$13.993 Months
  • Quarterly Subscription7 Days trial$18.993 Months
Show 6 more
  • Quarterly Subscription7 Days trial$20.993 Months
  • Quarterly Subscription7 Days trial$27.993 Months
  • Yearly Subscription7 Days trial$34.991 Year
  • Yearly Subscription7 Days trial$45.991 Year
  • Yearly Subscription7 Days trial$52.991 Year
  • Yearly Subscription7 Days trial$69.991 Year
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

Questions

Is Flow Lab free?
Flow Lab is free to download, with in-app purchases available.
Is Box Breathing free?
Box Breathing is free to download, with in-app purchases available.
Which has better reviews, Flow Lab or Box Breathing?
Flow Lab is rated higher. Flow Lab averages 4.8 out of 5 from 893 ratings, while Box Breathing averages 4.8 from 320 ratings.
Do Flow Lab or Box Breathing have ads?
Neither Flow Lab nor Box Breathing shows ads.
Which is updated more often, Flow Lab or Box Breathing?
Flow Lab ships an update monthly, and Box Breathing every 3 weeks. Most recently, Flow Lab was updated on October 24, 2026 and Box Breathing on October 23, 2026.

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