Breath Ball: Atemtrainer & HRV
66
Quality Score
Solid
Breath Ball: Atemtrainer & HRV
Medium confidence
✍️ bumetric analysis
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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.
Quality Score is 66: Solid (established niche player). For a Health & Fitness app, that means established niche player. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$641
per month
→
12-mo forecast
$561 – $2021
per month
→
24-mo forecast
$520 – $4676
per month
INDIE tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$70K
↳ What it cost to build · not monthly revenue
Likely range $50K – $95K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~4.8y at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| ⚙ Health & Fitness complexity ×1.40 | +$20K |
Total estimate
$70K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$20K
↳ What it would sell for · not monthly revenue
Marketplace range $15K – $30K · 18× MRR multiple
💸
~0.3× build cost (under-water)
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Health & Fitness category multiple | +10% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
18× MRR
👥 Estimated audience size
23K
Lifetime downloads (US-equivalent)
Monthly active
5.0K
Daily active
1.7K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Health & Fitness engagement | ~70 installs / rating |
| 🔁 Health & Fitness D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.35 |
DAU / MAU
34% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$641/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$546 – $1.3K
12 months
$561 – $2.0K
24 months
$520 – $4.7K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Early-stage solo · 42/100INDIE TIERexpected for tierRevenue Strength
2.8
Product Quality
6.8
Market Position
0.0
Growth Velocity
5.0
Defensibility
4.3
Operational Safety
10.0
Founder Strength
4.1
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $256 - $1603/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.86★ across 331 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $11K-$20K. Portfolio play ($1K/mo combined) commands premium.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
💰 Forecast Revenue / mo
MODELRevenue 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 (9y 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
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 What's New · v7.7.1
A bug was fixed that prevented a breathing exercise from being started a second time.
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
- Not found
- 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
- Available
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
Founder
- Name
- Not found
- X / Twitter
- x.com/intent/tweet?text=Breath%20Ball…
- linkedin.com/shareArticle?title=Breat…
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
- Socials
- facebook facebook.com/sharer/sharer.php?u=http… · linkedin linkedin.com/shareArticle?title=Breat… · twitter x.com/intent/tweet?text=Breath%20Ball…
- mailto:
- Phone
- Not found
- Contact page
- breathball.com/contact
- About page
- Not found
📈Ratings growth331 ratings+1041% lifetimeShow 3-year history estimate ▾
Tracked (58 weeks) Pre-tracking estimate (36 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.
🚀Version Release Timeline2 releases tracked
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.
📝 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:… View full description on the official store →
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:… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 46 MB🔞 4+📱 iOS 14.0+🔖 v7.7.1🔄 updated 0d ago🌐 EN, FR, DE, IT, ES📂 Health & Fitness💰 Paid
📅
What Worked™ · Development Pipeline
5 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
2023-04
📈
Crossed 50 ratings — social-proof flywheel kicking in
2019-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
2018-09
🚀
First tracked snapshot — initial data captured
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Breath Ball: Atemtrainer & HRV: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 331 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Breath Ball make per month?▴
Based on our ML-calibrated revenue forecast, Breath Ball earns approximately $1.2K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like Breath Ball?▴
Browse the full Health & Fitness category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes Breath Ball?▴
Breath Ball is published by Michael Holl on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is Breath Ball's BU Score?▴
Breath Ball has a BU Score of 66/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.