How much does COUPLE DAY - Couple D-Day make per month?

Based on our ML-calibrated revenue forecast, COUPLE DAY - Couple D-Day earns approximately $140/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 COUPLE DAY - Couple D-Day profitable?

With estimated build cost $115K and monthly revenue $140, COUPLE DAY - Couple D-Day looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.

How many users does COUPLE DAY - Couple D-Day have?

Estimated audience: ~32K lifetime downloads, ~3K monthly active users, and ~640 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 COUPLE DAY - Couple D-Day?

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 COUPLE DAY - Couple D-Day built with?

Our heuristic places COUPLE DAY - Couple D-Day 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 COUPLE DAY - Couple D-Day still actively maintained?

Maintenance status: Active (15% abandonment risk). Last shipped version was 13 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

When was COUPLE DAY - Couple D-Day last updated?

COUPLE DAY - Couple D-Day last shipped a new version on 2026-09-13 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes COUPLE DAY - Couple D-Day?

COUPLE DAY - Couple D-Day is published by JBK ENT 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 COUPLE DAY - Couple D-Day's BU Score?

COUPLE DAY - Couple D-Day has a BU Score of 60/100 (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.

COUPLE DAY - Couple D-Day

Quality Score

Solid

COUPLE DAY - Couple D-Day

Name: COUPLE DAY - Couple D-Day — app revenue, audience, build cost & risk profile
Creator: Bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: COUPLE DAY - Couple D-Day revenue, COUPLE DAY - Couple D-Day app analytics, mobile app revenue estimate, Lifestyle revenue, Android app revenue

by JBK ENT

Medium confidence

4.7 Google Play rating

✍️ Bumetric analysis

“

COUPLE DAY - Couple D-Day is an Android app from JBK ENT in the Lifestyle category, currently rated 4.7★ across 408 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 60: 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

$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

4.7

Reviews

408 reviews

Forecast Revenue / mo

$140

Snapshots tracked

since Sep 2026

ONE-TIME · BUILD 💰 Estimated build cost

$115K

↳ What it cost to build · not monthly revenue

Likely range $85K – $155K

$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
⚙ 5.7y maintenance × ~1-person team	+$34K

Total estimate $115K

👥 Estimated audience size

32K

Lifetime downloads (US-equivalent)

Monthly active

3.2K

Daily active

640

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
📅 5.7y of rating accumulation	-28%
🔁 Lifestyle D30 retention	13%
📍 DAU / MAU stickiness	0.20

DAU / MAU 20% 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	Lifestyle
📦 Compact Android bundle	→ Native Kotlin

💀 Maintenance status

Active

15%

Last shipped 2026-09-13 · 13 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

📅 13 days since last update	Active development
👥 Small user base (408 ratings) + 5.7y old	+10% (solo-project pattern)

Verdict Active

🔬

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)

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 · 42/100INDIE TIERexpected for tier

Revenue Strength

2.7

Product Quality

6.6

Market Position

0.0

Growth Velocity

5.0

Defensibility

4.9

Operational Safety

10.0

Founder Strength

3.1

Monetization Maturity

1.0

💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: 4.71★ across 408 reviews — solid.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: dev shipping weekly.
⚠️ 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.

🔬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 (4.7★)METRIC		+$2,200
Established app (5y old)METRIC		+$800
Ad-supported / freemiumMETRIC		+$600
Early-stage install base (408 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: COUPLE DAY - Couple D-Day
Developer: JBK ENT
Bundle ID: jbk.app.Coupleday
App Store URL: Open in App Store
Category: Lifestyle
Content rating: Not found
Languages: Not found

Company

Website: sanoscan.dothome.co.kr
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: $141/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

Are you preparing for a special anniversary that you keeping forgetting?

Organize your D-Day schedule with Couple Day

Couple Day is the simplest and most convenient D-Day management app.

A d-day app for couples with good taste. Start with Couple Day

[D-Day Counter]

It automatically counts the days of love from the day you met your partner

[D-Day Alarm]

Couple Day will tell you at every anniversary so that you don’t forget

[D-Day Auto Setting]

It automatically sets your anniversaries without the hassle of typing them in.

[Customized App Setting]… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v1.00.48🔄 updated 1w ago📂 Lifestyle💰 Free📺 Ad-supported🚀 Launched 2021 (5y old)

🔔

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📝 Description

BU Score · Transcendent

Full revenue analysis

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

Read deep-dive →