Numberblocks: Card Fun!
42
Quality Score
Emerging
Numberblocks: Card Fun!
Low confidence
✍️ bumetric analysis
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Numberblocks: Card Fun! is an Android app from Blue Zoo in the Educational category, currently rated 2.8★ across 88 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 42: Emerging (early traction worth watching). For a Educational 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.
💰 Monthly revenue · now vs forecast
● Right now
$1.2K
per month
→
12-mo forecast
$1.0K – $3.7K
per month
→
24-mo forecast
$957 – $8611
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
🍎Also on iOS
$143/mo · 80 ratings · 4.3★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$95K
↳ What it cost to build · not monthly revenue
Likely range $70K – $130K
$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 |
| ⚙ Educational complexity ×1.20 | +$10K |
| 🌐 Cross-platform reach (iOS + Android) | +$33K |
Total estimate
$95K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$15K
↳ What it would sell for · not monthly revenue
Marketplace range $10K – $20K · 12× MRR multiple
💸
~0.2× 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 |
| ⭐ ★ rating < 3.5 (weak) | -18% |
| 🏷 Educational category multiple | +6% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
12× MRR
🔬
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: rating drift may slow acquisition
6 months
$1.0K – $2.3K
12 months
$1.0K – $3.7K
24 months
$957 – $8.6K
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 · 39/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
6.6
Product Quality
2.2
Revenue Strength
3.1
Monetization Maturity
1.0
Defensibility
6.6
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Modest — $472 - $2953/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 2.76★ across 88 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 181d ago — slow cadence.
- ⚠️ Risk: Moderate — 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-$37K. Portfolio play ($11K/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 ($3.49)METRIC | +$2,800 | |
| Below-average rating (2.8★)METRIC | −$1,500 | |
| Established app (6y old)METRIC | +$800 | |
| Pre-traction phase (88 ratings)METRIC | −$300 |
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
- Numberblocks: Card Fun!
- Developer
- Blue Zoo
- Bundle ID
- uk.co.bluezoo.numberblocks.cards
- App Store URL
- Open in App Store
- Category
- Educational
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.learningblocks.tv
- 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
- 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 growth88 ratings+69% 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
The BAFTA-winning pre-school learning show Numberblocks brings you Numberblocks Card Fun!
As seen on Cbeebies.
This app features four game modes and five packs of cards offering 60 levels of different gameplay that will help you help your child with their numeracy skills. It features Numberblocks 1 to 10.
● Snap - Find a snap when you see two cards with matching values, this could be Numberblock One and one Apple or numeral six and six Numberblobs.
● Match - Turn over the cards to find matching pairs of card value. The values could be anything from a mix of things to stamps.… View full description on the official store →
As seen on Cbeebies.
This app features four game modes and five packs of cards offering 60 levels of different gameplay that will help you help your child with their numeracy skills. It features Numberblocks 1 to 10.
● Snap - Find a snap when you see two cards with matching values, this could be Numberblock One and one Apple or numeral six and six Numberblobs.
● Match - Turn over the cards to find matching pairs of card value. The values could be anything from a mix of things to stamps.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.4.1🔄 updated 0d ago📂 Educational💰 Free
🧪
Tech & Domain Intel — learningblocks.tv
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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📝 Description
95
BU Score · Transcendent
More by Blue Zoo
View all →📦 Portfolio summaryINDIE studio
7apps·$11K/mocombined
✓ Diversified — top app contributes 44%; risk spread across portfolio
About this analysis
Why low confidence: only 88 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Numberblocks make per month?▴
Based on our ML-calibrated revenue forecast, Numberblocks 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 Numberblocks?▴
Browse the full Educational 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 Numberblocks?▴
Numberblocks is published by Blue Zoo 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 Numberblocks's BU Score?▴
Numberblocks has a BU Score of 42/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.