World of Tennis: Roaring ’20s
68
Quality Score
Solid
World of Tennis: Roaring ’20s
High confidence
✍️ bumetric analysis
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World of Tennis: Roaring ’20s is an Android app from Helium9 Games in the Sports category, currently rated 4.2★ across 16,478 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 68: Solid (established niche player). For a Sports 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
$1.2K
per month
→
12-mo forecast
$1.0K – $3.8K
per month
→
24-mo forecast
$971 – $8738
per month
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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$175K
↳ What it cost to build · not monthly revenue
Likely range $130K – $235K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Slow ROI — current MRR is well below build cost
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 |
| ⚙Sports complexity ×1.90 | +$53K |
| 🌐Cross-platform reach (iOS + Android) | +$62K |
Total estimate$175K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$30K
↳ What it would sell for · not monthly revenue
Marketplace range $20K – $35K · 24× MRR multiple
💸~0.2× 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 |
| 🏷Sports category multiple | -15% |
Final multiple24× MRR
👥 Estimated audience size
3.0M
Lifetime downloads (US-equivalent)
Monthly active
295K
Daily active
88K
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
| 📲Sports engagement | ~180 installs / rating |
| 🔁Sports D30 retention | 10% |
| 📍DAU / MAU stickiness | 0.30 |
DAU / MAU30% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
Medium confidence · 55%
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 | Sports |
| 📦Tiny game bundle | → Native 2D engine |
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.2K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: low defensibility moat
6 months
$1.0K – $2.4K
12 months
$1.0K – $3.8K
24 months
$971 – $8.7K
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
Early-stage solo · 42/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
4.1
Product Quality
8.8
Revenue Strength
3.1
Monetization Maturity
1.0
Defensibility
2.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $479 - $2997/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.4★ across 13,407 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 = $21K-$38K.
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:
| Mid install base (16,478 ratings)METRIC | +$5,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Good rating (4.2★)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
- World of Tennis: Roaring ’20s
- Developer
- Helium9 Games
- Bundle ID
- com.Helium9Games.WorldOfTennis
- App Store URL
- Open in App Store
- Category
- Sports
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.worldoftennis.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
- $1.2K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $23.99 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.
📈Ratings growth16,478 ratings+42% 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
Transport yourself back to the 1920s – the golden age of tennis – in World of Tennis: Roaring ’20s. Join refined ladies and gentlemen partaking in a good old-fashioned clash of wits and sports skill on the court.
Do you prefer to serve and volley or stick to the baseline and smash powerful forehands? Whatever your style, hit tennis courts and enjoy tactical gameplay while honing your sports games skills. As you play, our new sports game AI learns your playstyle and can play tennis games as you against other players when you are away.… View full description on the official store →
Do you prefer to serve and volley or stick to the baseline and smash powerful forehands? Whatever your style, hit tennis courts and enjoy tactical gameplay while honing your sports games skills. As you play, our new sports game AI learns your playstyle and can play tennis games as you against other players when you are away.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v7.3.1🔄 updated 0d ago📂 Sports💰 Free📺 Ad-supported💎 IAP $0.99 - $23.99 per item
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for World of Tennis: Roaring ’20s: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 16,478 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does World of Tennis make per month?▴
Based on our ML-calibrated revenue forecast, World of Tennis earns approximately $1.2K/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 World of Tennis?▴
Browse the full Sports 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 World of Tennis?▴
World of Tennis is published by Helium9 Games 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 World of Tennis's BU Score?▴
World of Tennis has a BU Score of 68/100 (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.