49
Quality Score
Emerging
Cambridge English Dictionary
✍️ bumetric analysis
“
Cambridge English Dictionary is an Android app from Cambridge University Press & Assessment in the Books & Reference category, currently rated 3.0★ across 5,905 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 49: Emerging (early traction worth watching). For a Books & Reference 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
$5.0K/mo
In 12 months
$5.2K – $10.8K
In 24 months
$6.4K – $19.2K
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
ONE-TIME · BUILD💰 Estimated build cost
$140K
↳ What it cost to build · not monthly revenue
Likely range $105K – $190K
$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 |
| ⚙Books & Reference complexity ×0.95 | $-2975 |
| 🌐Cross-platform reach (iOS + Android) | +$31K |
| ⚙8.7y maintenance × ~1-person team | +$52K |
Total estimate$140K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$20K
↳ What it would sell for · not monthly revenue
Marketplace range $15K – $25K · 27× MRR multiple
💸~0.1× 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 |
| 📅8.7y proven track record | +20% |
| ⭐★ rating < 3.5 (weak) | -18% |
| 🏷Books & Reference category multiple | -2% |
Final multiple27× MRR
👥 Estimated audience size
450K
Lifetime downloads (US-equivalent)
Monthly active
26K
Daily active
5.3K
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
| 📲Books & Reference engagement | ~110 installs / rating |
| 📅8.7y of rating accumulation | -30% |
| 🔁Books & Reference D30 retention | 10% |
| 📍DAU / MAU stickiness | 0.20 |
DAU / MAU20% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
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 | Books & Reference |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Likely abandoned
88%
Last shipped 2022-09-15 · 1346 days ago
0 · Active50 · At risk100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅3y+ since last update | Likely abandoned |
VerdictLikely abandoned
🔬
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 · 44/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
5.4
Market Position
0.0
Growth Velocity
5.0
Defensibility
8.2
Operational Safety
5.0
Founder Strength
4.2
Monetization Maturity
4.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.02★ across 5,905 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1346d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (1346d 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 = $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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Low install base (5,905 ratings)METRIC | +$1,500 | |
| Below-average rating (3.0★)METRIC | −$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| 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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v5.6.52🔄 updated 3y ago📂 Books & Reference💰 Free💎 IAP $17.99 per item🚀 Launched 2017 (8y old)
📝 About this app
FREE PREVIEW
Try before you buy! See the full word list, preview 50 dictionary entries, and test the app's features.
_____________
With 140,000 words, phrases, meanings, and examples, Cambridge Advanced Learner's Dictionary, Fourth Edition (CALD) is trusted by millions of English learners worldwide.
Every dictionary entry has thesaurus sections that show related words, phrases and synonyms for each meaning, helping you to expand your English knowledge.… View full description on the official store →
Try before you buy! See the full word list, preview 50 dictionary entries, and test the app's features.
_____________
With 140,000 words, phrases, meanings, and examples, Cambridge Advanced Learner's Dictionary, Fourth Edition (CALD) is trusted by millions of English learners worldwide.
Every dictionary entry has thesaurus sections that show related words, phrases and synonyms for each meaning, helping you to expand your English knowledge.… View full description on the official store →
🧪
Tech & Domain Intel — cambridge.org
- Tech stack
- Microsoft 365 · AWS SES · Anthropic · Apple Pay / Sign in with Apple · Atlassian (Jira/Confluence) · Meta (Facebook) Ads · Google Workspace · Zoho
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Cambridge English Dictionary
- Developer
- Cambridge University Press & Assessment
- Bundle ID
- org.cambridge.dictionary.advanced.learners.fourth
- App Store URL
- Open in App Store
- Category
- Books & Reference
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.cambridge.org
- 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
- $719/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $17.99 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 growth5,905 ratings+23% 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.
More by Cambridge University Press & Assessment
View all →📦 Portfolio summaryINDIE studio
2apps·$1K/mocombined
Lead-app heavy — top app contributes 51%
Full revenue analysis
Read the article-style breakdown for Cambridge English Dictionary: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Cambridge English Dictionary make per month?▾
Based on our ML-calibrated revenue forecast, Cambridge English Dictionary earns approximately $718/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.
Is Cambridge English Dictionary profitable?▾
With estimated build cost $140K and monthly revenue $718, Cambridge English Dictionary looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Cambridge English Dictionary have?▾
Estimated audience: ~450K lifetime downloads, ~26K monthly active users, and ~5K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Cambridge English Dictionary?▾
Browse the full Books & Reference 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.
What is Cambridge English Dictionary built with?▾
Our heuristic places Cambridge English Dictionary on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Cambridge English Dictionary still actively maintained?▾
Maintenance status: Likely abandoned (88% abandonment risk). Last shipped version was 3+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Cambridge English Dictionary sell for?▾
Estimated acquisition value: $20K (marketplace range $15K – $25K). Calculated as 27× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was Cambridge English Dictionary last updated?▾
Cambridge English Dictionary last shipped a new version on 2022-09-15 — more than 3 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Cambridge English Dictionary?▾
Cambridge English Dictionary is published by Cambridge University Press & Assessment 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 Cambridge English Dictionary's BU Score?▾
Cambridge English Dictionary has a BU Score of 49/100 (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.