WordUp - Vocabulary Builder
73
Quality Score
Strong
WordUp - Vocabulary Builder
High confidence
✍️ bumetric analysis
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WordUp - Vocabulary Builder is an iOS app from Geeks in the Education category, currently rated 4.8★ across 13,530 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 73: Strong (healthy traction). For a Education app, that means healthy traction. 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
🤖Also on Android
$2.7K/mo · 187K ratings · 4.6★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$80K
↳ What it cost to build · not monthly revenue
Likely range $60K – $110K
$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 |
| 📦 Asset bundle (90 MB) | +$16K |
| ⚙ Education complexity ×1.20 | +$13K |
Total estimate
$80K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$25K
↳ What it would sell for · not monthly revenue
Marketplace range $15K – $30K · 18× MRR multiple
💸
~0.3× 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 ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
Final multiple
18× MRR
👥 Estimated audience size
1.1M
Lifetime downloads (US-equivalent)
Monthly active
205K
Daily active
61K
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
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
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 · 48/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
9.5
Market Position
2.0
Growth Velocity
5.0
Defensibility
3.9
Operational Safety
10.0
Founder Strength
3.0
Monetization Maturity
1.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.76★ across 13,530 reviews — exceptional (top 1% in category).
- 📍 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 = $90K-$160K.
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 14 of 14 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (13,530 ratings)METRIC | +$5,500 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| frequent crashesREVIEW | −$2,000 | |
| bugsREVIEW | −$1,800 | |
| AI-powered features (trending category)METRIC | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| excellent appREVIEW | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| support teamREVIEW | +$900 | |
| Established app (7y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)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.
🆕 What's New · v17.3.4280
Performance improvements, UX enhancements, bug fixes and feature improvements.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- WordUp - Vocabulary Builder
- Developer
- Geeks
- Bundle ID
- com.geeksltd.wordatown
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 12+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
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
- Outside top 100 in US Education
- 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 growth13,530 ratings+450900% lifetimeShow 3-year history estimate ▾
Tracked (54 weeks) Pre-tracking estimate (33 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
🚀Version Release Timeline2 releases tracked
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
WordUp: Learn English Vocabulary
Master English vocabulary with WordUp, the AI-powered app revolutionizing language learning! With over 5 million users worldwide, WordUp offers a personalized, engaging, and effective way to expand your English vocabulary.
- Personalized Learning
* AI-powered Knowledge Map tailored to your needs
* 25,000 most common English words, prioritized for you
* Customized word lists based on your interests and goals
- Interactive Challenges
* 9 diverse challenge types to reinforce learning
* Spaced repetition for long-term retention… View full description on the official store →
Master English vocabulary with WordUp, the AI-powered app revolutionizing language learning! With over 5 million users worldwide, WordUp offers a personalized, engaging, and effective way to expand your English vocabulary.
- Personalized Learning
* AI-powered Knowledge Map tailored to your needs
* 25,000 most common English words, prioritized for you
* Customized word lists based on your interests and goals
- Interactive Challenges
* 9 diverse challenge types to reinforce learning
* Spaced repetition for long-term retention… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 90 MB🔞 12+📱 iOS 15.6+🔖 v17.3.4280🔄 updated 0d ago🌐 EN📂 Education🤖 Uses AI💰 Free
📅
What Worked™ · Development Pipeline
15 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-06
🔧
Shipped update — v17.1.3416 → v17.3.4280
→ 30 days after: reviews +131 medium · co-occurring
2026-05
🔄
Monetization changed: freemium → free
→ 30 days after: reviews +131 high confidence
2026-04
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +32 high confidence
2026-04
⭐
Rating ↑ 4.33 → 4.76 (improved 0.43★)
→ 30 days after: reviews +32 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.43★ · reviews +13,000 medium · co-occurring
2023-12
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +36 high confidence
2023-12
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.08★ · reviews +21 high confidence
2023-09
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.11★ · reviews +11 high confidence
2023-09
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +36 high confidence
2023-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.11★ · reviews +17 high confidence
2023-07
⭐
Rating ↓ 5.00 → 4.35 (dropped 0.65★)
→ 30 days after: rating +0.11★ · reviews +17 high confidence
2023-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.54★ · reviews +34 high confidence
2023-07
⭐
Rating ↓ 5.00 → 4.25 (dropped 0.75★)
→ 30 days after: rating −0.65★ · reviews +17 high confidence
2023-06
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating −0.65★ · reviews +17 medium · co-occurring
2023-06
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating −0.65★ · reviews +17 medium · co-occurring
🔎
ASO Keyword Positions
BEST RANK #11Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
vocabulary builder·#11🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.7636★ | 13,697 | 4.7636★ this version |
| 🇬🇧 GB | 4.73303★ | 1,547 | 4.73303★ this version |
| 🇩🇪 DE | 4.59668★ | 662 | 4.59668★ this version |
| 🇫🇷 FR | 4.61697★ | 389 | 4.61697★ this version |
| 🇯🇵 JP | 4.56339★ | 765 | 4.56339★ this version |
| 🇨🇦 CA | 4.76618★ | 2,117 | 4.76618★ this version |
| 🇦🇺 AU | 4.74875★ | 800 | 4.74875★ this version |
| 🇧🇷 BR | 4.72667★ | 450 | 4.72667★ this version |
| 🇮🇳 IN | 4.63919★ | 837 | 4.63919★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for WordUp - Vocabulary Builder: 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: 13,530 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does WordUp - Vocabulary Builder make per month?▴
Based on our ML-calibrated revenue forecast, WordUp - Vocabulary Builder 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 WordUp - Vocabulary Builder?▴
Browse the full Education 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 WordUp - Vocabulary Builder?▴
WordUp - Vocabulary Builder is published by Geeks on the Apple App 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 WordUp - Vocabulary Builder's BU Score?▴
WordUp - Vocabulary Builder has a BU Score of 73/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.