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66
BU Score
Solid

Breath Ball: Atemtrainer & HRV

4.9 ✍️ Editor
✍️ BU Analytics Review

Breath Ball: Atemtrainer & HRV is an iOS app from Michael Holl in the Health & Fitness category, currently rated 4.9★ across 331 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 66Solid (established niche player). For a Health & Fitness app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

📊 Performance Tracking LIVE

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idle
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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 9 of 9 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Excellent rating (4.9★)METRIC
+$2,200
cancelledREVIEW
−$1,500
excellent appREVIEW
+$1,500
Mature app (8y old)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
Ad-supported / freemiumMETRIC
+$600
Localized (5 languages)METRIC
+$600
Early-stage install base (331 ratings)METRIC
+$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
May 24
Oct 24
Nov 24
Jan 25
Mar 25
Apr 25
May 25
Oct 25
Nov 25
Jan 26
Feb 26
Mar 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 44 MB🔞 4+📱 iOS 14.0+🔖 v7.6.1🔄 updated 1mo ago🌐 EN, FR, DE, IT, ES📂 Health & Fitness💰 Paid🚀 Launched 2017 (8y old)

📝 About this app

Breath Ball: Your Personal Breathing Coach for Stress Relief & Relaxation

Transform your well-being with Breath Ball, the ultimate app designed to guide you through scientifically proven breathing exercises that help reduce stress and anxiety, improve concentration, and promote mindfulness. Whether you're a beginner or an experienced practitioner, Breath Ball adapts to your pace, helping you find calm and balance in just a few minutes a day.

Key Features:

• Personalized Breathing Exercises: Choose from a variety of breathing techniques tailored to reduce anxiety, improve concentration, or promote deep relaxation. Easily customize sessions to fit your personal needs.
• Calming Visuals: Follow the smooth animations of the Breath Ball that intuitively guide you through each inhale and exhale. Watch your stress melt away as you sync your breath with the ball’s gentle movements.
• Scientifically Backed Techniques: All breathing exercises are based on scientific research and used by health professionals to help relieve symptoms of stress and anxiety.
• Easy-to-Use Interface: Start your breathing session with just a tap. No prior experience required. Clear, simple, and beautifully designed.
• Fully Customizable: Adjust session lengths, breathing patterns, visuals and audio to create a breathing exercise that suits your unique needs.
• Use Anytime, Anywhere: Whether you're at home, at work, or on the go, Breath Ball fits into your lifestyle. Enjoy a moment of calm whenever you need it most.

Why Breath Ball?

Stress, anxiety, and tension can take a toll on your mental and physical health. Breath Ball makes it easier than ever to integrate relaxation techniques into your daily routine. Whether you're looking to manage stress or simply cultivate a more mindful lifestyle, Breath Ball is your perfect companion.

Take control of your breathing, relax your mind, and rejuvenate your spirit with Breath Ball. Download now and start your journey to a calmer, more balanced you.

🆕 What's New · v7.6.1

Support for heart rate sensors that deliver heart rate only (instead of RR intervals) has been added.
Screen settings has been redesigned. Screen Pro has been merged with screen settings.
Charts on HRV details screen now show heart rate instead of RR intervals by default.
A bug has been fixed that broke the streaks. (Thanks, Christina)
A bug that caused sporadic visual issues at the HRV chart has been fixed. (Thanks, Jim)
Duration of HRV recording is now calculated based on filtered heart rate/RR interval values, rather than on raw values.
On iOS devices that are configured to display bold text, the labels on the Y-axis on the HRV chart and HRV history chart are no longer truncated. (Thanks, Jim).
Third party dependencies have been upgraded.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Breath Ball: Atemtrainer & HRV
Developer
Michael Holl
Bundle ID
com.fundriven.breath-ball
App Store URL
Open in App Store
Category
Health & Fitness
Content rating
4+
Languages
EN, FR, DE, IT, ES

Company

Website
breathball.com
Tagline
Download Breath Ball For Free Now
Description
Only Breath Ball provides the best breathing techniques to manage stress and improve performance. Free of charge. Just see for yourself.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$1.2K/mo
Top-grossing rank
Outside top 100 in US Health & Fitness
All-time revenue
Not found
Pricing
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
facebook · linkedin · twitter
Email
mailto:
Phone
Not found
Contact page
https://breathball.com/contact/
About page
Not found
📈Ratings growth331 ratings+1405% lifetimeShow 3-year history estimate ▾Oct 2020Apr 2024May 2026
Tracked (59 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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