Stark Kettlebell
61
Quality Score
Solid
Stark Kettlebell
Medium confidence
✍️ bumetric analysis
“
Stark Kettlebell is an Android app from Stark Fitness Apps in the Health & Fitness category, currently rated 4.2★ across 854 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 61: 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
$5.4K
per month
→
12-mo forecast
$5.6K – $11.6K
per month
→
24-mo forecast
$6.9K – $20.6K
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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$110K
↳ What it cost to build · not monthly revenue
Likely range $80K – $150K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~1.7y 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 |
| 🌐 Cross-platform reach (iOS + Android) | +$38K |
Total estimate
$110K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $100K · 15× MRR multiple
💸
~0.7× 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 |
| 🏷 Health & Fitness category multiple | +10% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
15× MRR
👥 Estimated audience size
59K
Lifetime downloads (US-equivalent)
Monthly active
13K
Daily active
4.5K
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
35% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.4K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$5.1K – $8.5K
12 months
$5.6K – $11.6K
24 months
$6.9K – $20.6K
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
7.0
Product Quality
5.8
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
7.5
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $8K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.17★ across 854 reviews — below category median.
- 📍 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 = $96K-$171K. Portfolio play ($33K/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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($4.99)METRIC | +$2,800 | |
| Mature app (13y old)METRIC | +$1,500 | |
| Good rating (4.2★)METRIC | +$800 | |
| Early-stage install base (854 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Stark Kettlebell
- Developer
- Stark Fitness Apps
- Bundle ID
- se.virtualtrainer.kettlebell
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.virtualtrainerapps.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $5.4K/mo
- Top-grossing rank
- Not found
- 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 growth854 ratings+17% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
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
- Be inspired by 51 Kettlebell exercises presented in sharp HD video.
- Create your own personal workout.
- Start a workout and follow our interactive tabata and HIIT timers.
- Keep track of your progress by earning points for completed workouts.
- Find exercises targeting specific muscle groups.
The Kettlebell is well known for the ability to build strength, endurance and explosiveness. Basic exercises like “Swing”, “Snatch” and “Get Up” activate all of your body to give you a great workout!… View full description on the official store →
- Create your own personal workout.
- Start a workout and follow our interactive tabata and HIIT timers.
- Keep track of your progress by earning points for completed workouts.
- Find exercises targeting specific muscle groups.
The Kettlebell is well known for the ability to build strength, endurance and explosiveness. Basic exercises like “Swing”, “Snatch” and “Get Up” activate all of your body to give you a great workout!… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.0.2🔄 updated 0d ago📂 Health & Fitness💰 Free
🧪
Tech & Domain Intel — virtualtrainerapps.com
- Mail provider
- Google Workspace
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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 Stark Kettlebell: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Stark Fitness Apps
View all →📦 Portfolio summaryINDIE studio
11apps·$33K/mocombined
✓ Diversified — top app contributes 16%; risk spread across portfolio
About this analysis
Why medium confidence: 854 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Stark Kettlebell make per month?▴
Based on our ML-calibrated revenue forecast, Stark Kettlebell earns approximately $5.4K/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 Stark Kettlebell?▴
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 Stark Kettlebell?▴
Stark Kettlebell is published by Stark Fitness Apps 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 Stark Kettlebell's BU Score?▴
Stark Kettlebell has a BU Score of 61/100 (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.