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心のノート:あなたの“気持ち”を記録して心を整える日記アプリ

66
Quality Score
Solid

心のノート:あなたの“気持ち”を記録して心を整える日記アプリ

Medium confidence
5.0 ✍️ Editor
✍️ bumetric analysis

心のノート:あなたの“気持ち”を記録して心を整える日記アプリ is an Android app from 曹洞宗 in the Lifestyle category, currently rated 5.0★ across 1,851 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 66: Solid (established niche player). For a Lifestyle 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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📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
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
Lifestyle complexity ×1.05 +$2K
🌐 Cross-platform reach (iOS + Android) +$29K
Total estimate $80K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$10K
What it would sell for · not monthly revenue
Marketplace range $10K – $15K · 17× 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
★ rating ≥ 4.7 (premium) +15%
Final multiple 17× MRR
👥 Estimated audience size
200K
Lifetime downloads (US-equivalent)
Monthly active
26K
Daily active
5.2K

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
📲 Lifestyle engagement ~110 installs / rating
🔁 Lifestyle D30 retention 13%
📍 DAU / MAU stickiness 0.20
DAU / MAU 20% 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

Below median · 48/100MID TIERunderperforming peers
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
4.8
Product Quality
9.0
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
0.0
Operational Safety
9.0
  • 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 5.0★ across 1,851 reviews — exceptional (top 1% in category).
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: last update 230d ago — slow cadence.
  • ⚠️ 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 = $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 (5.0★)METRIC
+$2,200
Low install base (1,851 ratings)METRIC
+$1,500
Mature app (10y old)METRIC
+$1,500
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 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.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
心のノート:あなたの“気持ち”を記録して心を整える日記アプリ
Developer
曹洞宗
Bundle ID
jp.or.sotozen_net.kokorono_note
App Store URL
Open in App Store
Category
Lifestyle
Content rating
Not found
Languages
Not found

Company

Website
soto-hse.jp
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
$607/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 growth1,851 ratings+35% lifetimeShow 3-year history estimate ▾Jun 2023Jan 2025Jun 2026
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

「うれしい気持ち」、「悲しい気持ち」etc
日々、あなたが感じる“気持ち”を手軽に記録できる日記。それが心のノートです。
さまざまな“気持ち”を心に溜め込まず日記に綴ることで、心を整理し、心の環境を整えましょう。

日記を綴ったあとは、「心のみちしるべ」から
あなたの“気持ち”に合わせた、やすらぎとなる言葉をご紹介します。

***心を整理する3ステップ***


■1.気持ちを選ぼう

あなたが感じた「気持ち」を選んでください。


■2.気持ちを書こう

質問に答えて今の「気持ち」を日記に綴って、心を整理しましょう。

■3.「心の道しるべ」を読もう

心の拠り所となる「心のみちしるべ」も読んでみよう。
悩んでいるときは、気持ちが楽になるかも。



◇バックアップについて(注意事項)◇

本アプリデータのバックアップは、ご自身の責任の範囲で定期的に行っていただく必要がございます。
本アプリにはすべての日記(写真+テキスト)をまるごとバックアップする機能はありませんが、ver1.1.0で追加されたテキストデータのみの簡易的なバックアップ機能により、すべての日記の写真以外のテキストデータのみを5MB上限でバックアップすることができます。… View full description on the official store →
App Specs
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🔖 v1.5.5🔄 updated 0d ago📂 Lifestyle💰 Free
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📝 Description

95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for 心のノート:あなたの“気持ち”を記録して心を整える日記アプリ: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →

More by 曹洞宗

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📦 Portfolio summaryINDIE studio
4apps·$1K/mocombined
✓ Diversified — top app contributes 47%; risk spread across portfolio

Similar apps in Lifestyle

About this analysis
ZCAnalyzed by Zakhar Chumak · founder, bumetric·Full methodology·Medium confidence

Why medium confidence: 1,851 ratings · no founder-verified revenue (model estimate only).

Frequently Asked Questions

4 answers · auto-generated from this app's public data
How much does 心のノート:あなたの“気持ち”を記録して心を整える日記アプリ make per month?
Based on our ML-calibrated revenue forecast, 心のノート:あなたの“気持ち”を記録して心を整える日記アプリ earns approximately $607/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 心のノート:あなたの“気持ち”を記録して心を整える日記アプリ?
Browse the full Lifestyle 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 心のノート:あなたの“気持ち”を記録して心を整える日記アプリ?
心のノート:あなたの“気持ち”を記録して心を整える日記アプリ is published by 曹洞宗 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 心のノート:あなたの“気持ち”を記録して心を整える日記アプリ's BU Score?
心のノート:あなたの“気持ち”を記録して心を整える日記アプリ has a BU Score of 66/100 (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.