47
Quality Score
Emerging
You Don't Know Javascript
✍️ bumetric analysis
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You Don't Know Javascript is an Android app from Mwyann in the Trivia category, currently rated 3.3★ across 699 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 47: Emerging (early traction worth watching). For a Trivia app, that means early traction worth watching. 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
$500/mo
In 12 months
$437 – $1575
In 24 months
$405 – $3644
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
LOW CONFIDENCEBaseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
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 · 32/100INDIE TIERlimited signalRevenue Strength
2.7
Product Quality
4.6
Market Position
0.0
Growth Velocity
5.0
Defensibility
3.7
Operational Safety
5.0
Founder Strength
3.6
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.32★ across 699 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 871d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (871d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 18-32× monthly = $9K-$16K.
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:
| Below-average rating (3.3★)METRIC | −$1,500 | |
| Established app (6y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (699 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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v0.2.240🔄 updated 2y ago📂 Trivia💰 Free🚀 Launched 2019 (6y old)
📝 About this app
This app lets you play the online version of You Don't Know Jack as available on https://www.ydkjs.eu
*** IMPORTANT NOTE ***
This app is NOT an official development from Jackbox Games. This is a fan recreation of the old versions of YDKJ. As such, the American version is NOT available because it is still sold (for ex. on Steam), unlike the European versions of the game.
The current version lets you choose between the 3 available languages (FR, UK and DE), and between 1 and 3 players. Online multiplayer isn't available yet on mobile, but you can play it on PC and Mac!… View full description on the official store →
*** IMPORTANT NOTE ***
This app is NOT an official development from Jackbox Games. This is a fan recreation of the old versions of YDKJ. As such, the American version is NOT available because it is still sold (for ex. on Steam), unlike the European versions of the game.
The current version lets you choose between the 3 available languages (FR, UK and DE), and between 1 and 3 players. Online multiplayer isn't available yet on mobile, but you can play it on PC and Mac!… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- You Don't Know Javascript
- Developer
- Mwyann
- Bundle ID
- com.mwyann.ydkjs
- App Store URL
- Open in App Store
- Category
- Trivia
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.mwyann.fr
- 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
- $385/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 growth699 ratings+43% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 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.
Full revenue analysis
Read the article-style breakdown for You Don't Know Javascript: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.