How much does Child Diary make per month?

Based on our ML-calibrated revenue forecast, Child Diary earns approximately $167/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 Child Diary?

Browse the full Parenting 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 Child Diary?

Child Diary 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 Child Diary's BU Score?

Child Diary 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.

Child Diary

Quality Score

Solid

Child Diary

Name: Child Diary — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Child Diary revenue, Child Diary app analytics, mobile app revenue estimate, Parenting revenue, Android app revenue

Low confidence

5.0 ✍️ Editor

✍️ bumetric analysis

“

Child Diary is an Android app from 株式会社GalleryApp in the Parenting category, currently rated 5.0★ across 34 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

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

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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

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idle

Rating

—

Reviews

—

Forecast Revenue / mo

—

Snapshots tracked

since first record

ONE-TIME · BUILD 💰 Estimated build cost

$80K

↳ What it cost to build · not monthly revenue

Likely range $60K – $110K

$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
🌐 Cross-platform reach (iOS + Android)	+$27K

Total estimate $80K

🔬

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

Early-stage solo · 46/100INDIE TIERexpected for tier

Revenue Strength

2.7

Product Quality

4.0

Market Position

0.0

Growth Velocity

5.0

Defensibility

7.5

Operational Safety

10.0

Founder Strength

6.4

Monetization Maturity

1.0

💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: 5.0★ across 34 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. Portfolio play ($8K/mo combined) commands premium.

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 (5.0★)METRIC		+$2,200
Mature app (14y old)METRIC		+$1,500
Ad-supported / freemiumMETRIC		+$600
Pre-traction phase (34 ratings)METRIC		−$300

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: Child Diary
Developer: 株式会社GalleryApp
Bundle ID: info.androidx.childlogf
App Store URL: Open in App Store
Category: Parenting
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

Verified revenue / mo: Not found
AI revenue estimate / mo: Not found
AI annual estimate: Not found
ML model estimate / mo: $168/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.

📈Ratings growth34 ratings+31% lifetimeShow 3-year history estimate ▾

Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value

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

Child Diary is the app you can keep records of your children's growth.

Make children's list and switch the calendar for each child so you can keep each child's  records separately.

Save photos, daily events, daily and repeated plans for your children! You can set the alarm for important events as well!

Child Diary Manual

＊Initial Window＊

Initial Window is "Add Child". The second time and after you open Child Diary, The initial window is a calendar.

Let's start with making a list of your children!

＊How to make a list＊

1. Tap the top-right button with plus mark on the calendar.… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 vVaries with device📂 Parenting💰 Free📺 Ad-supported

🧪