Birds Complete Reference Guide
47
Quality Score
Emerging
✍️ Bumetric analysis
“
Birds Complete Reference Guide is an Android app from Crescent Dream Apps in the Education category, currently rated 3.4★ across 380 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 Education 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
$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
1 snapshots on record
Rating
3.4
Reviews
380 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
1
since May 2026
ONE-TIME · BUILD
💰 Estimated build cost
$165K
↳ What it cost to build · not monthly revenue
Likely range $125K – $225K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.8y at current MRR
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 |
| ⚙ Education complexity ×1.20 | +$11K |
| 🌐 Cross-platform reach (iOS + Android) | +$39K |
| ⚙ 8.8y maintenance × ~1-person team | +$53K |
Total estimate
$165K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$125K
↳ What it would sell for · not monthly revenue
Marketplace range $100K – $175K · 27× MRR multiple
💸
~0.8× 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 |
| 📅 8.8y proven track record | +20% |
| ⭐ ★ rating < 3.5 (weak) | -18% |
| 🏷 Education category multiple | +6% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
27× MRR
👥 Estimated audience size
22K
Lifetime downloads (US-equivalent)
Monthly active
2.3K
Daily active
690
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 |
| 📅 8.8y of rating accumulation | -30% |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% 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 | Education |
| 📦 Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Likely abandoned
82%
Last shipped 2024-12-11 · 679 days ago
0 · Active
50 · At risk
100 · 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
| 📅 1y 10mo since last update | Likely deprioritized |
| 👥 Small user base (380 ratings) + 8.8y old | +10% (solo-project pattern) |
Verdict
Likely 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 · 46/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
4.8
Product Quality
4.8
Revenue Strength
3.7
Monetization Maturity
5.0
Defensibility
8.2
Market Position
0.0
Operational Safety
5.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.41★ across 380 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 676d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (676d 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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| excellent appREVIEW | +$1,500 | |
| Below-average rating (3.4★)METRIC | −$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (380 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Birds Complete Reference Guide
- Developer
- Crescent Dream Apps
- Bundle ID
- com.luminousapps.birding
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- crescentdreamapps.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $5.0K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $1.49 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.
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
A complete birding reference app that includes over 11,400 species of birds grouped into 243 birding families. Birding multimedia is available with songs, calls, images and videos.
This app includes locations where you can listen to the beautiful and distinct high quality songs and calls of individual birds with access to over 500,000 bird songs and calls.
Images for each bird species are also linked to. Over 7,000,000 images of beautiful birds can be accessed.
Video links are included where you are able to analyze the movement and elegance of each bird.… View full description on the official store →
This app includes locations where you can listen to the beautiful and distinct high quality songs and calls of individual birds with access to over 500,000 bird songs and calls.
Images for each bird species are also linked to. Over 7,000,000 images of beautiful birds can be accessed.
Video links are included where you are able to analyze the movement and elegance of each bird.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.7.6🔄 updated 1y ago📂 Education💰 Free📺 Ad-supported💎 IAP $1.49 per item🚀 Launched 2017 (8y old)
🧪
Tech & Domain Intel — crescentdreamapps.com
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Birds Complete Reference Guide: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Crescent Dream Apps
View all →📦 Portfolio summaryINDIE studio
5apps·$20K/mocombined
✓ Diversified — top app contributes 24%; risk spread across portfolio
About this analysis
Why medium confidence: 380 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Birds Complete Reference Guide make per month?▴
Based on our ML-calibrated revenue forecast, Birds Complete Reference Guide earns approximately $5.0K/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 Birds Complete Reference Guide profitable?▴
With estimated build cost $165K and monthly revenue $5.0K, Birds Complete Reference Guide looks break-even-grade — payback period sits around 2.8 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Birds Complete Reference Guide have?▴
Estimated audience: ~22K lifetime downloads, ~2K monthly active users, and ~690 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 Birds Complete Reference Guide?▴
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.
What is Birds Complete Reference Guide built with?▴
Our heuristic places Birds Complete Reference Guide 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 Birds Complete Reference Guide still actively maintained?▴
Maintenance status: Likely abandoned (82% abandonment risk). Last shipped version was 1+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Birds Complete Reference Guide sell for?▴
Estimated acquisition value: $125K (marketplace range $100K – $175K). 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 Birds Complete Reference Guide last updated?▴
Birds Complete Reference Guide last shipped a new version on 2024-12-11 — more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Birds Complete Reference Guide?▴
Birds Complete Reference Guide is published by Crescent Dream Apps 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 Birds Complete Reference Guide's BU Score?▴
Birds Complete Reference Guide has a BU Score of 47/100 (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.