How much does J霧霾 - 台灣空氣品質監控 make per month?

Based on our ML-calibrated revenue forecast, J霧霾 - 台灣空氣品質監控 earns approximately $730/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 J霧霾 - 台灣空氣品質監控?

Browse the full Health & Fitness 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 J霧霾 - 台灣空氣品質監控?

J霧霾 - 台灣空氣品質監控 is published by Jintin 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 J霧霾 - 台灣空氣品質監控's BU Score?

J霧霾 - 台灣空氣品質監控 has a BU Score of 64/100 (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.

J霧霾 - 台灣空氣品質監控

Quality Score

Solid

J霧霾 - 台灣空氣品質監控

Name: J霧霾 - 台灣空氣品質監控 — app revenue, audience, build cost & risk profile
Creator: GetAppValue
License: https://creativecommons.org/licenses/by/4.0/
Keywords: J霧霾 - 台灣空氣品質監控 revenue, J霧霾 - 台灣空氣品質監控 app analytics, mobile app revenue estimate, Health & Fitness revenue, Android app revenue

by Jintin Apps

Medium confidence

4.6 Google Play rating

✍️ GetAppValue analysis

“

J霧霾 - 台灣空氣品質監控 is an Android app from Jintin Apps in the Health & Fitness category, currently rated 4.6★ across 4,223 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 64: Solid (established niche player). For a Health & Fitness 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

💡 Grow this revenue

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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

Loading…

idle

Rating

—

Reviews

—

Forecast Revenue / mo

—

Snapshots tracked

since first record

ONE-TIME · BUILD 💰 Estimated build cost

$130K

↳ What it cost to build · not monthly revenue

Likely range $100K – $175K

$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
⚙ Health & Fitness complexity ×1.40	+$23K
🌐 Cross-platform reach (iOS + Android)	+$45K

Total estimate $130K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$25K

↳ What it would sell for · not monthly revenue

Marketplace range $20K – $30K · 33× MRR multiple

💸 ~0.2× 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
⭐ ★ rating ≥ 4.4 (solid)	+8%
🏷 Health & Fitness category multiple	+10%

Final multiple 33× MRR

👥 Estimated audience size

295K

Lifetime downloads (US-equivalent)

Monthly active

64K

Daily active

22K

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

📲 Health & Fitness engagement	~70 installs / rating
🔁 Health & Fitness D30 retention	22%
📍 DAU / MAU stickiness	0.35

DAU / MAU 35% sticky

🔬

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 · 56/100MID TIERcompetitive build-out

Growth Velocity

5.0

Founder Strength

4.2

Product Quality

8.3

Revenue Strength

3.7

Monetization Maturity

5.0

Defensibility

8.5

Market Position

0.0

Operational Safety

10.0

💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
⭐ Quality: 4.63★ across 4,223 reviews — strong (top 10%).
📍 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: 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:

Excellent rating (4.6★)METRIC		+$2,200
Low install base (4,223 ratings)METRIC		+$1,500
Mature app (11y old)METRIC		+$1,500
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: J霧霾 - 台灣空氣品質監控
Developer: Jintin Apps
Bundle ID: com.jintin.pm25.tw
App Store URL: Open in App Store
Category: Health & Fitness
Content rating: Not found
Languages: Not found

Company

Website: www.facebook.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
ML model estimate / mo: $172/mo
Top-grossing rank: Not found
All-time revenue: Not found
Pricing: $1.99 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

J霧霾是台灣空氣污染監測類評分第一的app 

主要監測懸浮粒子(pm2.5 pm10 aqi)的單位濃度

時時關注空氣品質 時時關注大家的健康

<b>功能</b>

★即時pm2.5/pm10/AQI霾害污染資訊查詢

★三日預報

★列表及地圖顯示

★可編輯清單

★每日警示通知

★桌面小工具

<b>MILESTONE</b>

★ 最新熱門免費 #2

★ 熱門免費 #3

<b>知名雜誌網站部落格推薦</b>

★ PCHome 2017/11 月份 - PM2.5 空氣品質監控

https://www.facebook.com/pchomefans/

★ 就是教不落 - J 霧霾 - 台灣空氣品質 PM2.5 即時監控，還有預報功能和超標通知

https://steachs.com/archives/31333

★ 重灌狂人 - 外幣投資、出國購物好幫手！

「J 霧霾」細懸浮微粒 PM2.5 即時監控，桌面小工具隨時查看、超標提醒（Android）

http://briian.com/27739/pm25-tw.html

★ 挨踢路人甲

即時監測懸浮粒子App-「J霧霾」

http://walker-a.com/archives/2850

★ 電瀨少女… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 vVaries with device📂 Health & Fitness💰 Free📺 Ad-supported💎 IAP $1.99 per item

🧪

Tech & Domain Intel — facebook.com

Tech stack: Google Workspace · Meta (Facebook) Ads

Derived from public RDAP + DNS TXT records (no scraping, no login).

🔔

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📝 Description

BU Score · Transcendent

Full revenue analysis

Read the article-style breakdown for J霧霾 - 台灣空氣品質監控: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.

Read deep-dive →