How much does Leo's Gun Defender make per month?

Based on our ML-calibrated revenue forecast, Leo's Gun Defender earns approximately $500/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 Leo's Gun Defender profitable?

With estimated build cost $210K and monthly revenue $500, Leo's Gun Defender 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 Leo's Gun Defender have?

Estimated audience: ~105K lifetime downloads, ~1K monthly active users, and ~420 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 Leo's Gun Defender?

Browse the full Casual 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 Leo's Gun Defender built with?

Our heuristic places Leo's Gun Defender on the Native Android (Kotlin) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.

Is Leo's Gun Defender still actively maintained?

Maintenance status: Likely abandoned (93% abandonment risk). Last shipped version was 2+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

How much would Leo's Gun Defender sell for?

Estimated acquisition value: $5.0K (marketplace range $5.0K – $10K). Calculated as 14× 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 Leo's Gun Defender last updated?

Leo's Gun Defender last shipped a new version on 2024-04-03 — more than 2 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes Leo's Gun Defender?

Leo's Gun Defender is published by Leopoldo Bueno Castillo 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 Leo's Gun Defender's BU Score?

Leo's Gun Defender has a BU Score of 61/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.

Leo's Gun Defender

Quality Score

Solid

Leo's Gun Defender

Name: Leo's Gun Defender — app revenue, audience, build cost & risk profile
Creator: Bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Leo's Gun Defender revenue, Leo's Gun Defender app analytics, mobile app revenue estimate, Casual revenue, Android app revenue

by Leopoldo Bueno Castillo

Medium confidence

4.7 Google Play rating

✍️ Bumetric analysis

“

Leo's Gun Defender is an Android app from Leopoldo Bueno Castillo in the Casual category, currently rated 4.7★ across 713 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 61: Solid (established niche player). For a Casual app, that means established niche player. 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

$500

per month

→

12-mo forecast

$437 – $1575

per month

→

24-mo forecast

$405 – $3644

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

Run free AI audit →

Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

1 snapshots on record

idle

Rating

4.7

Reviews

713 reviews

Forecast Revenue / mo

$500

Snapshots tracked

since May 2026

ONE-TIME · BUILD 💰 Estimated build cost

$210K

↳ What it cost to build · not monthly revenue

Likely range $160K – $285K

$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
⚙ Casual complexity ×1.50	+$25K
🌐 Cross-platform reach (iOS + Android)	+$41K
⚙ 15.4y maintenance × ~1-person team	+$92K

Total estimate $210K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$5K

↳ What it would sell for · not monthly revenue

Marketplace range $5K – $10K · 14× MRR multiple

💸 ~0.0× 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
📅 15.4y proven track record	+20%
⭐ ★ rating ≥ 4.4 (solid)	+8%
🏷 Casual category multiple	-22%
⭐ Small user base (<1K ratings)	-8%

Final multiple 14× MRR

👥 Estimated audience size

105K

Lifetime downloads (US-equivalent)

Monthly active

1.2K

Daily active

420

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

📲 Casual engagement	~220 installs / rating
📅 15.4y of rating accumulation	-30%
🔁 Casual D30 retention	6%
📍 DAU / MAU stickiness	0.35

DAU / MAU 35% sticky

🛠 Estimated tech stack

🤖

Native Android (Kotlin)

Medium confidence · 55%

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	Casual
📦 Tiny game bundle	→ Native 2D engine

💀 Maintenance status

Likely abandoned

93%

Last shipped 2024-04-03 · 914 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

📅 2y+ since last update	Likely abandoned
• 15y old + 1y+ no update	+5% (API deprecation drift)

Verdict Likely abandoned

🔬

How we forecast this revenue

LOW CONFIDENCE

Baseline

$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

Early-stage solo · 41/100INDIE TIERexpected for tier

Growth Velocity

5.0

Founder Strength

4.3

Product Quality

6.5

Revenue Strength

2.7

Monetization Maturity

1.0

Defensibility

6.0

Market Position

0.0

Operational Safety

7.0

💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: 4.67★ across 713 reviews — solid.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: ⚠ last update 908d ago — possibly dormant.
⚠️ Risk: Moderate — dormant (908d since update).

🎯 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 = $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

MODEL

Revenue 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:

Excellent rating (4.7★)METRIC		+$2,200
Mature app (15y old)METRIC		+$1,500
Ad-supported / freemiumMETRIC		+$600
Early-stage install base (713 ratings)METRIC		+$400

METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 Reviews Growth

LIVE

Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE

Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY

Each bar shows a tracked update and the metric delta from the previous snapshot.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name: Leo's Gun Defender
Developer: Leopoldo Bueno Castillo
Bundle ID: alien.defender
App Store URL: Open in App Store
Category: Casual
Content rating: Not found
Languages: Not found

Company

Website: www.leobueno.net
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: $500/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.

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

Leo’s Gun Defender is an adictive easy to play 3D anti-aircaft artillery game. You have to defend an strategic installation from the enemies' attack aircrafts. They can not pass, you are the last line of defense. 

You are under a serious enemy invasion and your mission as an anti-aircraft gunner is to clear the skies, you have to shoot as many enemy attack aircrafts as you can. Fire and your enemies will bite the dust.

Features

.- 3D realistic sceneries and aircrafts 

.- Realistic sound effects

.- Easy to play user interface

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v3.0🔄 updated 2y ago📂 Casual💰 Free🚀 Launched 2011 (15y old)

🔔

Track this app’s revenue

FREE

Get an email when revenue moves by your threshold. No spam, unsubscribe in one click.

📝 Description

BU Score · Transcendent

Full revenue analysis

Read the article-style breakdown for Leo's Gun Defender: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.

Read deep-dive →