How much does EMMO - 日记与笔记 make per month?

Based on our ML-calibrated revenue forecast, EMMO - 日记与笔记 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 EMMO - 日记与笔记 profitable?

With estimated build cost $110K and monthly revenue $5.0K, EMMO - 日记与笔记 looks break-even-grade — payback period sits around 1.8 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.

How many users does EMMO - 日记与笔记 have?

Estimated audience: ~2.2M lifetime downloads, ~205K monthly active users, and ~41K 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 EMMO - 日记与笔记?

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.

What is EMMO - 日记与笔记 built with?

Our heuristic places EMMO - 日记与笔记 on the Native iOS (SwiftUI) stack (Medium confidence, 60%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.

Is EMMO - 日记与笔记 still actively maintained?

Maintenance status: Slowing (30% abandonment risk). Last shipped version was 5 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

How much would EMMO - 日记与笔记 sell for?

Estimated acquisition value: $100K (marketplace range $75K – $125K). Calculated as 21× 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 EMMO - 日记与笔记 last updated?

EMMO - 日记与笔记 last shipped a new version on 2026-04-28 — 5 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes EMMO - 日记与笔记?

EMMO - 日记与笔记 is published by EMMO Corp. on the Apple App 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 EMMO - 日记与笔记's BU Score?

EMMO - 日记与笔记 has a BU Score of 71/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.

EMMO - 日记与笔记

Quality Score

Strong

EMMO - 日记与笔记

Name: EMMO - 日记与笔记 — app revenue, audience, build cost & risk profile
Creator: Bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: EMMO - 日记与笔记 revenue, EMMO - 日记与笔记 app analytics, mobile app revenue estimate, Lifestyle revenue, iOS app revenue

by EMMO Corp.

High confidence

4.8 App Store rating

✍️ Bumetric analysis

“

EMMO - 日记与笔记 is an iOS app from EMMO Corp. in the Lifestyle category, currently rated 4.8★ across 28,704 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 71: Strong (healthy traction). For a Lifestyle app, that means healthy traction. 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

5 snapshots on record

idle

Rating

4.8

Reviews

28,704 reviews

Forecast Revenue / mo

$5.0K

Snapshots tracked

since Apr 2026

ONE-TIME · BUILD 💰 Estimated build cost

$110K

↳ What it cost to build · not monthly revenue

Likely range $80K – $150K

$25K · MVP floor $100K · indie scale $500K+ · studio build

📈 Pays back in ~1.8y 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
📦 Asset bundle (94 MB)	+$17K
⚙ Lifestyle complexity ×1.05	+$3K
⚙ 6.5y maintenance × ~1-person team	+$38K

Total estimate $110K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$100K

↳ What it would sell for · not monthly revenue

Marketplace range $75K – $125K · 21× MRR multiple

💸 ~0.9× 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
📅 6.5y proven track record	+20%
⭐ ★ rating ≥ 4.7 (premium)	+15%

Final multiple 21× MRR

👥 Estimated audience size

2.2M

Lifetime downloads (US-equivalent)

Monthly active

205K

Daily active

41K

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
📅 6.5y of rating accumulation	-30%
🔁 Lifestyle D30 retention	13%
📍 DAU / MAU stickiness	0.20

DAU / MAU 20% sticky

🛠 Estimated tech stack

🍎

Native iOS (SwiftUI)

Medium confidence · 60%

Also possible

React Native 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

📦 App bundle size	94 MB
🏷 Category context	Lifestyle
📦 Mid-large iOS bundle	→ Likely native SwiftUI (post-2020 era)

💀 Maintenance status

Slowing

30%

Last shipped 2026-04-28 · 156 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

📅 5 months since last update

Slowing cadence

Verdict Slowing

🔬

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 · 50/100MID TIERunderperforming peers

Growth Velocity

5.0

Founder Strength

3.8

Product Quality

9.7

Revenue Strength

3.7

Monetization Maturity

1.0

Defensibility

5.1

Market Position

2.0

Operational Safety

10.0

💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
⭐ Quality: 4.84★ across 28,704 reviews — exceptional (top 1% in category).
📍 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 = $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 5 of 5 triggers

Our ML model uses 200+ signals from public data. These are the most influential for this app:

Mid install base (28,704 ratings)METRIC		+$5,500
Excellent rating (4.8★)METRIC		+$2,200
Established app (6y old)METRIC		+$800
Ad-supported / freemiumMETRIC		+$600
Localized (8 languages)METRIC		+$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.

🆕 What's New · v2.2.7

1.Optimized some details

Profile & Insights

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

Identification

App name: EMMO - 日记与笔记
Developer: EMMO Corp.
Bundle ID: miki.EMMODay
App Store URL: Open in App Store
Category: Lifestyle
Content rating: 4+
Languages: EN, DE, JA, PL, ZH, ES, TH, ZH

Company

Website: Not found
Tagline: Today
Description: Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Founded: Not found
HQ / Address: Not found
Employees: Not found
Logo: Available

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: Outside top 100 in US Lifestyle
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.

🌍Geographic ReachNot ranked

This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.

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

EMMO is a place where you can record your mood anytime, anywhere, happy or sad, sour or sweet.
This is a small tree hole, listen to all your good and trouble.
This is a small world that only belongs to you, where you can express your emotions with self-made expressions.
EMMO diary allows people to keep a diary in a different way.
Travel in your own small world in the way of self-made expression + text, come to EMMO diary to record the life.
Backup journal supports icloud backup.
[to do] diary can also make a very practical to-do function.
[export] diary and expression can be exported.… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

💾 94 MB🔞 4+📱 iOS 15.0+🔖 v2.2.7🔄 updated 5mo ago🌐 EN, DE, JA, PL, ZH +3📂 Lifestyle💰 Paid🚀 Launched 2020 (6y old)

🌍

Multi-Country Performance

Available in 9 of 9 monitored markets

Market	Rating	Reviews	Current version
🇦🇺 AU	4.79318★	1,789	4.79318★ this version
🇧🇷 BR	4.84923★	1,227	4.84923★ this version
🇨🇦 CA	4.78345★	3,348	4.78345★ this version
🇩🇪 DE	4.7867★	1,083	4.7867★ this version
🇫🇷 FR	4.76721★	1,787	4.76721★ this version
🇬🇧 GB	4.78639★	3,497	4.78639★ this version
🇮🇳 IN	4.60736★	163	4.60736★ this version
🇯🇵 JP	4.56285★	1,050	4.56285★ this version
🇺🇸 US	4.84086★	29,195	4.84086★ this version

🔔

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📝 Description

BU Score · Transcendent

Full revenue analysis

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

Read deep-dive →