How much does HK Book Fair make per month?

Low-confidence model estimate. HK Book Fair has only 0 App Store ratings, so our revenue model has very little signal to work with — treat the ~$500/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.

What apps are like HK Book Fair?

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 HK Book Fair built with?

Our heuristic places HK Book Fair 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.

Who makes HK Book Fair?

HK Book Fair is published by Hong Kong Trade Development Council 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.

HK Book Fair

Quality Score

Niche

HK Book Fair

Name: HK Book Fair — app revenue, audience, build cost & risk profile
Creator: Bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: HK Book Fair revenue, HK Book Fair app analytics, mobile app revenue estimate, Books & Reference revenue, Android app revenue

by Hong Kong Trade Development Council

Low confidence

— Google Play rating

✍️ Bumetric analysis

“

HK Book Fair is an Android app from Hong Kong Trade Development Council in the Books & Reference category, currently rated — across few ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.

Quality Score is 0: Niche (micro-niche or pre-traction stage). For a Books & Reference app, that means micro-niche or pre-traction stage. 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

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Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

1 snapshots on record

idle

Rating

—

Reviews

0 reviews

Forecast Revenue / mo

$500

Snapshots tracked

since Jun 2026

ONE-TIME · BUILD 💰 Estimated build cost

$125K

↳ What it cost to build · not monthly revenue

Likely range $95K – $170K

$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
⚙ Books & Reference complexity ×0.95	$-2525
🌐 Cross-platform reach (iOS + Android)	+$26K
⚙ 8.3y maintenance × ~1-person team	+$49K

Total estimate $125K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$10K

↳ What it would sell for · not monthly revenue

Marketplace range $5K – $10K · 18× MRR multiple

💸 ~0.1× 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
📅 8.3y proven track record	+20%
🏷 Books & Reference category multiple	-2%

Final multiple 18× MRR

🛠 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

🔬

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)

Direction

Headwinds: rating drift may slow acquisition

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

Pre-traction · 38/100INDIE TIERlimited signal

Growth Velocity

5.0

Founder Strength

4.8

Product Quality

0.0

Revenue Strength

2.7

Monetization Maturity

1.0

Defensibility

7.1

Market Position

0.0

Operational Safety

10.0

💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: None★ across 0 reviews — weak — significant quality concerns.
📍 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: 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.

📥 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: HK Book Fair
Developer: Hong Kong Trade Development Council
Bundle ID: com.hktdc.hkbookfair
App Store URL: Open in App Store
Category: Books & Reference
Content rating: Not found
Languages: Not found

Company

Website: www.hktdc.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: $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

HK Book Fair – Reading the World

Browse Hong Kong Book Fair on-the-go with this app. Latest news, event schedule, floor plan, exhibitors’ discount coupons and new book releases are all at your fingertips. Enjoy the vibes of Hong Kong Book Fair organised by the Hong Kong Trade Development Council (HKTDC) and the many smart features of the App:

- Be the first to receive latest news and alerts of the fair

- Search and bookmark books, locate exhibitors and plan your visit ahead of the fair

- Search and bookmark exhibitor coupons and get the best discount offers… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 vVaries with device📂 Books & Reference💰 Free🚀 Launched 2018 (8y old)

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