Рівень кисню крові
70
Quality Score
Strong
✍️ Bumetric analysis
“
Рівень кисню крові is an iOS app from Enrique Villahermosa Juara in the Education category, currently rated 4.3★ across 1,957 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 70: Strong (healthy traction). For a Education app, that means healthy traction. 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID 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
24 snapshots on record
Rating
4.3
Reviews
1,957 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
24
since Sep 2021
ONE-TIME · BUILD
💰 Estimated build cost
$90K
↳ What it cost to build · not monthly revenue
Likely range $70K – $120K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~1.5y 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 |
| ⚙ Education complexity ×1.20 | +$10K |
| ⚙ 5.1y maintenance × ~1-person team | +$30K |
Total estimate
$90K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$100K
↳ What it would sell for · not monthly revenue
Marketplace range $75K – $125K · 19× MRR multiple
💸
~1.1× build cost (break-even+)
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 |
| 📅 5.1y proven track record | +20% |
| 🏷 Education category multiple | +6% |
Final multiple
19× MRR
👥 Estimated audience size
120K
Lifetime downloads (US-equivalent)
Monthly active
17K
Daily active
5.2K
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
| 📲 Education engagement | ~85 installs / rating |
| 📅 5.1y of rating accumulation | -25% |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
Medium confidence · 70%
Also possible
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 | 34 MB |
| 🏷 Category context | Education |
| 📦 Small-mid iOS bundle | → Native SwiftUI (post-2020 era) |
💀 Maintenance status
Active
15%
Last shipped 2026-07-15 · 71 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
| 📅 71 days since last update | Healthy release cadence |
Verdict
Active
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 50/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.7
Product Quality
7.8
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
4.8
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.31★ across 1,957 reviews — strong (top 10%).
- 📍 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 = $90K-$160K. Portfolio play ($10K/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 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| 5 starREVIEW | +$1,800 | |
| Low install base (1,957 ratings)METRIC | +$1,500 | |
| Multilingual (69 languages)METRIC | +$1,500 | |
| Good rating (4.3★)METRIC | +$800 | |
| Established app (5y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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 · v1.24
• Redesigned home screen with a clearer summary and easier data entry
• New onboarding tutorial for first-time users (replay anytime from Settings)
• Dark mode and light mode support
• Export your records as a CSV file
• Improved Statistics screen with a cleaner layout… Full release notes →
• New onboarding tutorial for first-time users (replay anytime from Settings)
• Dark mode and light mode support
• Export your records as a CSV file
• Improved Statistics screen with a cleaner layout… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Рівень кисню крові
- Developer
- Enrique Villahermosa Juara
- Bundle ID
- com.innovationmobileapps.pulseoximeter
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- AF, SQ, AM, AR, HY, AZ, EU, BE, BN, BG, MY, KM, CA, HR, CS, DA, NL, EN, ET, FI, FR, GL, KA, DE, EL, GU, HE, HI, HU, IS, ID, IT, JA, KN, KK, KO, KY, LO, LV, LT, MK, MS, ML, MR, MN, NE, NB, FA, PL, PT, PA, RO, RU, SR, ZH, SI, SK, SL, ES, SW, SV, TA, TE, TH, TR, UK, UR, VI, ZU
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
- $5.0K/mo
- Top-grossing rank
- Outside top 100 in US Education
- 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 growth2,013 ratings+50225% lifetimeShow 3-year history estimate ▾
Tracked (24 weeks) Pre-tracking estimate (0 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.
🚀Update Frequency · Releases per Quarter2 releases tracked
🚀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
Have a new pulse oximeter, but don't have a place to record your measurements?
This app allows you to record your pulse and blood oxygen level daily. It's very simple, just record the measurements and check the statistics over time.
IMPORTANT: This app does NOT measure blood oxygen or pulse using your iPhone or iPad, and it does NOT connect to any external medical device. It is a manual logbook for recording readings you enter yourself. This app is not a medical device and is not intended for diagnosis or treatment. Always consult a healthcare professional for medical advice.
This app allows you to record your pulse and blood oxygen level daily. It's very simple, just record the measurements and check the statistics over time.
IMPORTANT: This app does NOT measure blood oxygen or pulse using your iPhone or iPad, and it does NOT connect to any external medical device. It is a manual logbook for recording readings you enter yourself. This app is not a medical device and is not intended for diagnosis or treatment. Always consult a healthcare professional for medical advice.
App Specs
🔐 Own this app? Claim & verify MRR →💾 34 MB🔞 4+📱 iOS 15+🔖 v1.24🔄 updated 2mo ago🌐 AF, SQ, AM, AR, HY +64📂 Education💰 Paid🚀 Launched 2021 (5y old)
📅
What Worked™ · Development Pipeline
14 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 →
2026-08
📸
Refreshed store screenshots — 5 of 5 updated
2026-07
🔧
Shipped update — v1.23 → v1.24
→ 30 days after: reviews +14 high confidence
2026-05
🔄
Monetization changed: freemium → free
→ 30 days after: reviews +33 high confidence
2026-05
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +33 high confidence
2026-05
⭐
Rating ↑ 3.40 → 4.31 (improved 0.91★)
→ 30 days after: reviews +33 high confidence
2026-03
⭐
Rating ↑ 2.60 → 3.40 (improved 0.80★)
2023-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$587/mo · rating −0.15★ high confidence
2023-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$2.0K/mo · rating −0.11★ medium · co-occurring
2022-01
⭐
Rating ↓ 3.80 → 3.29 (dropped 0.51★)
2021-09
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$849/mo · rating +0.30★ high confidence
2021-09
⭐
Rating ↓ 4.33 → 3.50 (dropped 0.83★)
→ 30 days after: revenue +$849/mo · rating +0.30★ high confidence
2021-09
⭐
Rating ↑ 4.00 → 4.33 (improved 0.33★)
→ 30 days after: revenue +$849/mo · rating +0.30★ medium · co-occurring
2021-09
⭐
Rating ↑ 3.00 → 4.00 (improved 1.00★)
→ 30 days after: revenue +$849/mo · rating +0.30★ medium · co-occurring
2021-09
🚀
First tracked snapshot — initial data captured
📸
Store Page History
5 SCREENSHOT CHANGESEvery time a developer swaps a store screenshot we archive both versions. Compare side-by-side to see what messaging / visuals changed.
iPhone screenshots
Slot 1
2 ver.
2 ver.
2026-05-13
2026-08-30
Slot 2
2 ver.
2 ver.
2026-05-13
2026-08-30
Slot 3
2 ver.
2 ver.
2026-05-13
2026-08-30
Slot 4
2 ver.
2 ver.
2026-05-13
2026-08-30
Slot 5
2 ver.
2 ver.
2026-05-13
2026-08-30
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 3.76364★ | 55 | 3.76364★ this version |
| 🇧🇷 BR | 4.09846★ | 325 | 4.09846★ this version |
| 🇨🇦 CA | 4.02353★ | 170 | 4.02353★ this version |
| 🇩🇪 DE | 4.18276★ | 290 | 4.18276★ this version |
| 🇫🇷 FR | 4.02679★ | 224 | 4.02679★ this version |
| 🇬🇧 GB | 4.42408★ | 191 | 4.42408★ this version |
| 🇮🇳 IN | 4.61111★ | 36 | 4.61111★ this version |
| 🇯🇵 JP | 3.53333★ | 75 | 3.53333★ this version |
| 🇺🇸 US | 4.31897★ | 2,019 | 4.31897★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Рівень кисню крові: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Enrique Villahermosa Juara
View all →📦 Portfolio summaryINDIE studio
5apps·$25K/mocombined
✓ Diversified — top app contributes 20%; risk spread across portfolio
About this analysis
Why medium confidence: 1,957 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Рівень кисню крові make per month?▴
Based on our ML-calibrated revenue forecast, Рівень кисню крові earns approximately $5.0K/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 Рівень кисню крові profitable?▴
With estimated build cost $90K and monthly revenue $5.0K, Рівень кисню крові looks break-even-grade — payback period sits around 1.5 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Рівень кисню крові have?▴
Estimated audience: ~120K lifetime downloads, ~17K monthly active users, and ~5K 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 Рівень кисню крові?▴
Browse the full Education 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 Рівень кисню крові built with?▴
Our heuristic places Рівень кисню крові on the Native iOS (SwiftUI) stack (Medium confidence, 70%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Рівень кисню крові still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 2 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Рівень кисню крові sell for?▴
Estimated acquisition value: $100K (marketplace range $75K – $125K). Calculated as 19× 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 Рівень кисню крові last updated?▴
Рівень кисню крові last shipped a new version on 2026-07-15 — 2 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Рівень кисню крові?▴
Рівень кисню крові is published by Enrique Villahermosa Juara 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 Рівень кисню крові's BU Score?▴
Рівень кисню крові has a BU Score of 70/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.