How much does Castle Defense King make per month?

Based on our ML-calibrated revenue forecast, Castle Defense King 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 Castle Defense King profitable?

With estimated build cost $235K and monthly revenue $5.0K, Castle Defense King looks slow ROI — payback period is around 3.9 years at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.

How many users does Castle Defense King have?

Estimated audience: ~435K lifetime downloads, ~56K monthly active users, and ~19K 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 Castle Defense King?

Browse the full Strategy 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 Castle Defense King built with?

Our heuristic places Castle Defense King 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 Castle Defense King still actively maintained?

Maintenance status: At risk (50% abandonment risk). Last shipped version was 7 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

How much would Castle Defense King sell for?

Estimated acquisition value: $150K (marketplace range $125K – $200K). Calculated as 32× 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 Castle Defense King last updated?

Castle Defense King last shipped a new version on 2026-02-02 — 7 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes Castle Defense King?

Castle Defense King is published by mobirixsub 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 Castle Defense King's BU Score?

Castle Defense King has a BU Score of 60/100 (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.

Castle Defense King

Quality Score

Solid

Castle Defense King

Name: Castle Defense King — app revenue, audience, build cost & risk profile
Creator: Bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Castle Defense King revenue, Castle Defense King app analytics, mobile app revenue estimate, Strategy revenue, Android app revenue

by mobirixsub

Medium confidence

4.1 Google Play rating

✍️ Bumetric analysis

“

Castle Defense King is an Android app from mobirixsub in the Strategy category, currently rated 4.1★ across 4,800 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 60: Solid (established niche player). For a Strategy 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

$5.0K

per month

→

12-mo forecast

$5.2K – $10.8K

per month

→

24-mo forecast

$6.4K – $19.2K

per month

MID tier

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Title & subtitle keyword fit
Description hook & conversion structure
Screenshots, ratings, reviews strategy

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Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

1 snapshots on record

idle

Rating

4.1

Reviews

4,800 reviews

Forecast Revenue / mo

$5.0K

Snapshots tracked

since May 2026

ONE-TIME · BUILD 💰 Estimated build cost

$235K

↳ What it cost to build · not monthly revenue

Likely range $175K – $315K

$25K · MVP floor $100K · indie scale $500K+ · studio build

📈 Pays back in ~3.9y 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
⚙ Strategy complexity ×2.10	+$65K
🌐 Cross-platform reach (iOS + Android)	+$68K
⚙ 6.7y maintenance × ~1-person team	+$40K

Total estimate $235K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$150K

↳ What it would sell for · not monthly revenue

Marketplace range $125K – $200K · 32× MRR multiple

💸 ~0.6× 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
📅 6.7y proven track record	+20%
🏷 Strategy category multiple	-5%

Final multiple 32× MRR

👥 Estimated audience size

435K

Lifetime downloads (US-equivalent)

Monthly active

56K

Daily active

19K

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

📲 Strategy engagement	~130 installs / rating
📅 6.7y of rating accumulation	-30%
🔁 Strategy D30 retention	18%
📍 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	Strategy
📦 Tiny game bundle	→ Native 2D engine

💀 Maintenance status

At risk

50%

Last shipped 2026-02-02 · 233 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

📅 7 months since last update

Concerning gap

Verdict At risk

🔬

How we forecast this revenue

MEDIUM CONFIDENCE

Baseline

$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

Building · 57/100MID TIERcompetitive build-out

Growth Velocity

5.0

Founder Strength

6.2

Product Quality

7.4

Revenue Strength

3.7

Monetization Maturity

5.0

Defensibility

9.2

Market Position

0.0

Operational Safety

9.0

💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
⭐ Quality: 4.13★ across 4,800 reviews — solid.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: last update 229d ago — slow cadence.
⚠️ Risk: Low — no material risk signals detected.

🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.

💵 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

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:

Low install base (4,800 ratings)METRIC		+$1,500
Good rating (4.1★)METRIC		+$800
Established app (6y old)METRIC		+$800
Ad-supported / freemiumMETRIC		+$600

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: Castle Defense King
Developer: mobirixsub
Bundle ID: com.mobirix.casdefs
App Store URL: Open in App Store
Category: Strategy
Content rating: Not found
Languages: Not found

Company

Website: www.mobirix.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: $2.99 - $99.99 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.

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

Prepare endless enemy waves by reinforcing castles, heroes and soldiers!

[Reinforcement tips]

- Prepare your defense base by reinforce walls and soldiers first

- Try to combine unique heroes

- Finally, reinforce your tower and magic to challenge the conquer war

- As higher tower level, stronger the magic.

- There is a hero that uses the skill every time using magic.

[Strategy Tips]

It's easier to defend by using 3 kinds of spells

Repair magic: Repairing the wall's health

Magic Bomb: Dropping magic bombs to attack enemies

Ice storm: Slowing down monsters that smash in blizzard… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v1.1.0🔄 updated 7mo ago📂 Strategy💰 Free📺 Ad-supported💎 IAP $2.99 - $99.99 per item🚀 Launched 2020 (6y old)

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📝 Description

BU Score · Transcendent

Full revenue analysis

Read the article-style breakdown for Castle Defense King: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.

Read deep-dive →