Weight Loss Tracker
55
Quality Score
Solid
✍️ Bumetric analysis
“
Weight Loss Tracker is an Android app from Ralf Winkelmann in the Health & Fitness category, currently rated 4.0★ across 1,112 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 55: 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
$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
2 snapshots on record
Rating
4.0
Reviews
1,112 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
2
since May 2026
ONE-TIME · BUILD
💰 Estimated build cost
$195K
↳ What it cost to build · not monthly revenue
Likely range $145K – $265K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~3.2y 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 |
| 💎 In-app purchase plumbing | +$9K |
| ⚙ Health & Fitness complexity ×1.40 | +$23K |
| 🌐 Cross-platform reach (iOS + Android) | +$45K |
| ⚙ 10.8y maintenance × ~1-person team | +$64K |
Total estimate
$195K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$175K
↳ What it would sell for · not monthly revenue
Marketplace range $150K – $250K · 37× MRR multiple
💸
~0.9× build cost (under-water)
Synthetic estimate. Multiple band derived from iap / freemium model + 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
| 💎 IAP / freemium model base | 28× MRR |
| 📅 10.8y proven track record | +20% |
| 🏷 Health & Fitness category multiple | +10% |
Final multiple
37× MRR
👥 Estimated audience size
54K
Lifetime downloads (US-equivalent)
Monthly active
5.5K
Daily active
1.9K
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 |
| 📅 10.8y of rating accumulation | -30% |
| 🔁 Health & Fitness D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.35 |
DAU / MAU
35% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
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
| 🏷 Category context | Health & Fitness |
| 📦 Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Active
5%
Last shipped 2026-11-03 · 11 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
| 📅 11 days since last update | Active development |
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 · 51/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
4.5
Product Quality
7.3
Revenue Strength
3.7
Monetization Maturity
5.0
Defensibility
8.5
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.03★ across 1,107 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 467d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (467d since update).
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K.
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 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (1,112 ratings)METRIC | +$1,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| intuitive designREVIEW | +$1,000 | |
| Good rating (4.0★)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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Weight Loss Tracker
- Developer
- Ralf Winkelmann
- Bundle ID
- ch.rawi.weightcontrol
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- ralf-winkelmann.web.app
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
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
- Not found
- All-time revenue
- Not found
- Pricing
- $1.49 - $8.99 per item
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.
🚀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
Track your weight easily and stay motivated on your fitness journey with Weight Loss Tracker — the simple and effective app to monitor your weight progress, set goals, and visualize your success. Whether you’re aiming to lose weight or gain muscle mass, this app helps you stay on top of your body transformation. 🏃♂️💪
With Weight Loss Tracker, you’ll have a clear overview of your weight changes through daily entries and progress charts. The app is designed for simplicity, cutting out all unnecessary features so you can log your weight in just two quick taps a day.… View full description on the official store →
With Weight Loss Tracker, you’ll have a clear overview of your weight changes through daily entries and progress charts. The app is designed for simplicity, cutting out all unnecessary features so you can log your weight in just two quick taps a day.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.13.0🔄 updated 1w ago📂 Health & Fitness💰 Free📺 Ad-supported💎 IAP $1.49 - $8.99 per item🚀 Launched 2016 (10y old)
📅
What Worked™ · Development Pipeline
3 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 →
2026-11
📸
Refreshed store screenshots — 6 of 6 updated
2026-11
🔧
Shipped update — v1.12.0 → v1.13.0
→ 30 days after: reviews +5 low · multiple changes
2026-05
🚀
First tracked snapshot — initial data captured
📸
Store Page History
6 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.
2026-05-14
2026-11-10
Slot 2
2 ver.
2 ver.
2026-05-14
2026-11-10
Slot 3
2 ver.
2 ver.
2026-05-14
2026-11-10
Slot 4
2 ver.
2 ver.
2026-05-14
2026-11-10
Slot 5
2 ver.
2 ver.
2026-05-14
2026-11-10
Slot 6
2 ver.
2 ver.
2026-05-14
2026-11-10
🔔
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 Weight Loss Tracker: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Ralf Winkelmann
View all →📦 Portfolio summaryINDIE studio
4apps·$11K/mocombined
✓ Diversified — top app contributes 45%; risk spread across portfolio
About this analysis
Why medium confidence: 1,112 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Weight Loss Tracker make per month?▴
Based on our ML-calibrated revenue forecast, Weight Loss Tracker 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 Weight Loss Tracker profitable?▴
With estimated build cost $195K and monthly revenue $5.0K, Weight Loss Tracker looks slow ROI — payback period is around 3.2 years 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 Weight Loss Tracker have?▴
Estimated audience: ~54K lifetime downloads, ~5K monthly active users, and ~1K 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 Weight Loss Tracker?▴
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 Weight Loss Tracker built with?▴
Our heuristic places Weight Loss Tracker on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Weight Loss Tracker still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 11 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Weight Loss Tracker sell for?▴
Estimated acquisition value: $175K (marketplace range $150K – $250K). Calculated as 37× 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 Weight Loss Tracker last updated?▴
Weight Loss Tracker last shipped a new version on 2026-11-03 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Weight Loss Tracker?▴
Weight Loss Tracker is published by Ralf Winkelmann on the Google Play 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 Weight Loss Tracker's BU Score?▴
Weight Loss Tracker has a BU Score of 55/100 (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.