5
Quality Score
Niche
Calculation of the stairs
✍️ bumetric analysis
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Calculation of the stairs is an Android app from Дмитрий Житов in the Tools category, currently rated — across few ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 5: Niche (micro-niche or pre-traction stage). For a Tools app, that means micro-niche or pre-traction stage. 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.
💰 Revenue · today and ahead
Today
$3.0K/mo
In 12 months
$2.6K – $9.5K
In 24 months
$2.5K – $22.1K
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
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$3.0K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$2.6K – $6.0K
12 months
$2.6K – $9.5K
24 months
$2.5K – $22.1K
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
Pre-traction · 39/100INDIE TIERlimited signalRevenue Strength
3.5
Product Quality
0.0
Market Position
0.0
Growth Velocity
5.0
Defensibility
7.5
Operational Safety
7.0
Founder Strength
7.0
Monetization Maturity
1.0
- 💰 Revenue: Modest — $1K - $7K/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: None★ across 0 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 2660d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (2660d since update).
🎯 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 = $54K-$96K. Portfolio play ($34K/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.
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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.
📈 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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v8.1🔄 updated 7y ago📂 Tools💰 Free🚀 Launched 2015 (11y old)
📝 About this app
Detailed and accurate calculation of straight stairs.
Automatic recommendations for convenient angle and number of stages.
Saving calculations and access to them without an internet connection.
Generate drawings.
Support for 65 languages.
You must be connected to the Internet.
Automatic recommendations for convenient angle and number of stages.
Saving calculations and access to them without an internet connection.
Generate drawings.
Support for 65 languages.
You must be connected to the Internet.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Calculation of the stairs
- Developer
- Дмитрий Житов
- Bundle ID
- com.zhitov.lestnica
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.zhitov.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
- $3.0K/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.
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.
More by Дмитрий Житов
View all →📦 Portfolio summaryINDIE studio
14apps·$34K/mocombined
✓ Diversified — top app contributes 22%; risk spread across portfolio
Full revenue analysis
Read the article-style breakdown for Calculation of the stairs: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.