How much does Working Log make per month?

Based on our ML-calibrated revenue forecast, Working Log 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 Working Log profitable?

With estimated build cost $210K and monthly revenue $5.0K, Working Log looks slow ROI — payback period is around 3.5 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 Working Log have?

Estimated audience: ~44K lifetime downloads, ~1K monthly active users, and ~570 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 Working Log?

Browse the full Business 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 Working Log built with?

Our heuristic places Working Log 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 Working Log still actively maintained?

Maintenance status: Likely abandoned (77% 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 Working Log sell for?

Estimated acquisition value: $100K (marketplace range $75K – $125K). Calculated as 18× 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 Working Log last updated?

Working Log last shipped a new version on 2025-08-30 — more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes Working Log?

Working Log is published by 株式会社GalleryApp 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 Working Log's BU Score?

Working Log has a BU Score of 58/100 (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.

Working Log

Quality Score

Solid

Working Log

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

by 株式会社GalleryApp

Medium confidence

4.3 Google Play rating

✍️ Bumetric analysis

“

Working Log is an Android app from 株式会社GalleryApp in the Business category, currently rated 4.3★ across 973 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 58: Solid (established niche player). For a Business 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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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

4.3

Reviews

973 reviews

Forecast Revenue / mo

$5.0K

Snapshots tracked

since Sep 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

📈 Pays back in ~3.5y 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
⚙ Business 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

$100K

↳ What it would sell for · not monthly revenue

Marketplace range $75K – $125K · 18× MRR multiple

💸 ~0.5× 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%
🏷 Business category multiple	+10%
⭐ Small user base (<1K ratings)	-8%

Final multiple 18× MRR

👥 Estimated audience size

44K

Lifetime downloads (US-equivalent)

Monthly active

1.9K

Daily active

570

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

📲 Business engagement	~65 installs / rating
📅 15.4y of rating accumulation	-30%
🔁 Business D30 retention	22%
📍 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	Business
📦 Compact Android bundle	→ Native Kotlin

💀 Maintenance status

Likely abandoned

77%

Last shipped 2025-08-30 · 400 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 1mo since last update	Likely deprioritized
• 15y old + 1y+ no update	+5% (API deprecation drift)

Verdict Likely abandoned

🔬

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

Below median · 45/100MID TIERunderperforming peers

Revenue Strength

3.7

Product Quality

6.1

Market Position

0.0

Growth Velocity

5.0

Defensibility

7.5

Operational Safety

7.0

Founder Strength

5.9

Monetization Maturity

1.0

💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
⭐ Quality: 4.33★ across 973 reviews — solid.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: ⚠ last update 400d ago — possibly dormant.
⚠️ Risk: Moderate — dormant (400d 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 = $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:

Mature app (15y old)METRIC		+$1,500
Good rating (4.3★)METRIC		+$800
Ad-supported / freemiumMETRIC		+$600
Early-stage install base (973 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: Working Log
Developer: 株式会社GalleryApp
Bundle ID: info.androidx.workcalenf
App Store URL: Open in App Store
Category: Business
Content rating: Not found
Languages: Not found

Company

Website: www.galleryapp.org
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: 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

Simple in/out time card you can manage and track your attendance time and other information of your daily work!

Create your shifts patterns so it can be used for a person who works shifts as well.

Save your daily working information, it will be displayed in the monthly list of the time card and on the calendar.

Manage and track absence, paid leave, TOIL (time off in lieu )'s total days and support overtime (OVT1), (OVT2) hours,Working Early(EA) hours.

※Pay ver No ads

From "Menu", select "Base Setting" and create your working shifts patterns.… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v1.2.0🔄 updated 1y ago📂 Business💰 Free📺 Ad-supported🚀 Launched 2011 (15y old)

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📝 Description

BU Score · Transcendent

Full revenue analysis

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

Read deep-dive →