Instant Herzfrequenz
85
Quality Score
Excellent
✍️ Bumetric analysis
“
Instant Herzfrequenz is an iOS app from Bodymatter, Inc. in the Health & Fitness category, currently rated 4.9★ across 228,832 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 85: Excellent (strong product-market fit). For a Health & Fitness app, that means strong product-market fit. 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
$1.2M
per month
→
12-mo forecast
$1.3M – $2.0M
per month
→
24-mo forecast
$1.5M – $2.8M
per month
BIG 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
137 snapshots on record
Rating
4.9
Reviews
228,832 reviews
Forecast Revenue / mo
$1.2M
Snapshots tracked
137
since Dec 2022
ONE-TIME · BUILD
💰 Estimated build cost
$200K
↳ What it cost to build · not monthly revenue
Likely range $150K – $270K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in under a month 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 |
| 📦 Asset bundle (111 MB) | +$24K |
| ⚙ Health & Fitness complexity ×1.40 | +$29K |
| ⚙ 15.8y maintenance × ~1-person team | +$94K |
Total estimate
$200K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$28.5M
↳ What it would sell for · not monthly revenue
Marketplace range $21.5M – $37.5M · 24× MRR multiple
💸
~142× return on build cost
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 |
| 📅 15.8y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Health & Fitness category multiple | +10% |
| ⭐ Mature user base (100K+ ratings) | +5% |
Final multiple
24× MRR
👥 Estimated audience size
11.0M
Lifetime downloads (US-equivalent)
Monthly active
480K
Daily active
165K
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 |
| 📅 15.8y of rating accumulation | -30% |
| 🔁 Health & Fitness D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.35 |
DAU / MAU
34% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 60%
Also possible
React Native
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 📦 App bundle size | 111 MB |
| 🏷 Category context | Health & Fitness |
| 📦 Mid-large iOS bundle | → Likely native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
At risk
50%
Last shipped 2026-01-10 · 266 days ago
0 · Active
50 · At risk
100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅 8 months since last update | Concerning gap |
Verdict
At risk
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.2M/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$1.2M – $1.6M
12 months
$1.3M – $2.0M
24 months
$1.5M – $2.8M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Mixed signals · 55/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
5.6
Product Quality
9.7
Revenue Strength
6.1
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
9.0
- 💰 Revenue: Healthy — $480K - $2640K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.86★ across 228,832 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 265d ago — slow cadence.
- ⚠️ 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 = $21.6M-$38.4M.
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 15 of 16 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (228,832 ratings)METRIC | +$12,000 | |
| Paid app ($0.00)METRIC | +$2,800 | |
| subscriptionREVIEW | +$2,500 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.9★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (15y old)METRIC | +$1,500 | |
| Multilingual (17 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| free trialREVIEW | +$1,200 | |
| too expensiveREVIEW | −$1,000 |
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 · v8.2.0
• Check out the brand new Instant Heart Rate experience!
• Includes general performance enhancements and bug fixes
Enjoying Instant Heart Rate? Take a brief moment to rate us on the App Store! Want to give us feedback? Send us a note at support@instantheartrate.com
• Includes general performance enhancements and bug fixes
Enjoying Instant Heart Rate? Take a brief moment to rate us on the App Store! Want to give us feedback? Send us a note at support@instantheartrate.com
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Instant Herzfrequenz
- Developer
- Bodymatter, Inc.
- Bundle ID
- si.modula.instantheartrate.free
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- AR, NL, EN, FR, DE, IT, JA, KO, PT, RU, ZH, ES, SV, TH, ZH, TR, VI
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $1.2M/mo
- Top-grossing rank
- 🇮🇳#79 /100
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
📈Ratings growth228,945 ratings+51118% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇮🇳
IN
Top-grossing rank: #79 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#79 now · best #79 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
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
Most accurate and easy-to-use heart rate app
- Used in heart research at UCSF!
- Get your heart rate in less than 10 seconds
- Check your stress levels
- See trends and insights
Just featured in Apple's new TV Ad “Strength” - use your iPhone to find out your heart rate in less than 10 seconds!
You DON’T need a dedicated heart rate monitor to get your pulse, download Instant Heart Rate today and use your camera’s flash to see how healthy you are!
With over 35 million users, the award-winning Instant Heart Rate app is all over the web.… View full description on the official store →
- Used in heart research at UCSF!
- Get your heart rate in less than 10 seconds
- Check your stress levels
- See trends and insights
Just featured in Apple's new TV Ad “Strength” - use your iPhone to find out your heart rate in less than 10 seconds!
You DON’T need a dedicated heart rate monitor to get your pulse, download Instant Heart Rate today and use your camera’s flash to see how healthy you are!
With over 35 million users, the award-winning Instant Heart Rate app is all over the web.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 111 MB🔞 4+📱 iOS 17.0+🔖 v8.2.0🔄 updated 8mo ago🌐 AR, NL, EN, FR, DE +12📂 Health & Fitness💰 Paid🚀 Launched 2010 (15y old)
📅
What Worked™ · Development Pipeline
18 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
⭐
Rating ↑ 2.59 → 4.86 (improved 2.27★)
→ 30 days after: reviews +21 high confidence
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +21 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$4.1M/mo · rating +2.22★ · reviews +228,235 high confidence
2026-03
⭐
Rating ↑ 2.59 → 4.80 (improved 2.21★)
→ 30 days after: revenue +$4.1M/mo · rating +2.22★ · reviews +228,235 high confidence
2023-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$152/mo · rating −0.13★ · reviews +12 high confidence
2023-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$188/mo · reviews +13 high confidence
2023-02
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$242/mo · rating −0.11★ · reviews +17 high confidence
2023-02
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$190/mo · rating −0.08★ · reviews +13 medium · co-occurring
2023-01
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$190/mo · rating −0.08★ · reviews +13 medium · co-occurring
2023-01
⭐
Rating ↓ 4.11 → 3.24 (dropped 0.87★)
→ 30 days after: revenue +$190/mo · rating −0.08★ · reviews +13 medium · co-occurring
2023-01
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 medium · co-occurring
2023-01
⭐
Rating ↓ 4.11 → 3.80 (dropped 0.31★)
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 medium · co-occurring
2022-12
⭐
Rating ↓ 4.50 → 4.11 (dropped 0.39★)
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 low · multiple changes
2022-12
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 low · multiple changes
2022-12
⭐
Rating ↑ 3.67 → 4.00 (improved 0.33★)
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 low · multiple changes
2022-12
⭐
Rating ↑ 3.00 → 3.67 (improved 0.67★)
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 low · multiple changes
2022-12
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 medium · co-occurring
2022-12
⭐
Rating ↑ 1.00 → 3.00 (improved 2.00★)
→ 30 days after: revenue +$596/mo · rating −0.87★ · reviews +40 medium · co-occurring
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.7854★ | 17,162 | 4.7854★ this version |
| 🇧🇷 BR | 4.88615★ | 17,268 | 4.88615★ this version |
| 🇨🇦 CA | 4.78124★ | 24,995 | 4.78124★ this version |
| 🇩🇪 DE | 4.76184★ | 16,640 | 4.76184★ this version |
| 🇫🇷 FR | 4.77046★ | 17,034 | 4.77046★ this version |
| 🇬🇧 GB | 4.81611★ | 43,614 | 4.81611★ this version |
| 🇮🇳 IN | 4.80124★ | 21,619 | 4.80124★ this version |
| 🇯🇵 JP | 4.5911★ | 3,781 | 4.5911★ this version |
| 🇺🇸 US | 4.85632★ | 228,937 | 4.85632★ this version |
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Instant Herzfrequenz: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Bodymatter, Inc.
View all →📦 Portfolio summaryBIG studio
2apps·$2.4M/mocombined
Lead-app heavy — top app contributes 50%
About this analysis
Why high confidence: 228,832 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Instant Herzfrequenz make per month?▴
Based on our ML-calibrated revenue forecast, Instant Herzfrequenz earns approximately $1.2M/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.
Is Instant Herzfrequenz profitable?▴
With estimated build cost $200K and monthly revenue $1.2M, Instant Herzfrequenz looks highly profitable — pays back its build investment in under a month at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Instant Herzfrequenz have?▴
Estimated audience: ~11.0M lifetime downloads, ~480K monthly active users, and ~165K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Instant Herzfrequenz?▴
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.
What is Instant Herzfrequenz built with?▴
Our heuristic places Instant Herzfrequenz on the Native iOS (Swift / UIKit) stack (Medium confidence, 60%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is Instant Herzfrequenz still actively maintained?▴
Maintenance status: At risk (50% abandonment risk). Last shipped version was 8 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Instant Herzfrequenz sell for?▴
Estimated acquisition value: $28.5M (marketplace range $21.5M – $37.5M). Calculated as 24× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was Instant Herzfrequenz last updated?▴
Instant Herzfrequenz last shipped a new version on 2026-01-10 — 8 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Instant Herzfrequenz?▴
Instant Herzfrequenz is published by Bodymatter, Inc. 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 Instant Herzfrequenz's BU Score?▴
Instant Herzfrequenz has a BU Score of 85/100 (Excellent). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.