How much does Birthday Calendar make per month?

Based on our ML-calibrated revenue forecast, Birthday Calendar earns approximately $743/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 Birthday Calendar?

Browse the full Social 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 Birthday Calendar?

Birthday Calendar is published by Dmitrii Soldatov 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 Birthday Calendar's BU Score?

Birthday Calendar has a BU Score of 57/100 (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.

Birthday Calendar

Quality Score

Solid

Birthday Calendar

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

by Dmitrii Soldatov

Medium confidence

3.9 ✍️ Editor

✍️ bumetric analysis

“

Birthday Calendar is an Android app from Dmitrii Soldatov in the Social category, currently rated 3.9★ across 3,903 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 57: Solid (established niche player). For a Social 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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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

$155K

↳ What it cost to build · not monthly revenue

Likely range $115K – $210K

$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
💎 In-app purchase plumbing	+$9K
⚙ Social complexity ×1.70	+$41K
🌐 Cross-platform reach (iOS + Android)	+$55K

Total estimate $155K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$20K

↳ What it would sell for · not monthly revenue

Marketplace range $15K – $25K · 27× MRR multiple

💸 ~0.1× build cost (under-water)

Synthetic estimate. Multiple band derived from iap / freemium model + 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

💎 IAP / freemium model base	28× MRR
⭐ ★ rating 3.5-4.0 (mixed)	-8%
🏷 Social category multiple	+5%

Final multiple 27× MRR

👥 Estimated audience size

350K

Lifetime downloads (US-equivalent)

Monthly active

87K

Daily active

48K

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

📲 Social engagement	~90 installs / rating
🔁 Social D30 retention	25%
📍 DAU / MAU stickiness	0.55

DAU / MAU 55% 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

Revenue Strength

3.7

Product Quality

7.0

Market Position

0.0

Growth Velocity

5.0

Defensibility

8.5

Operational Safety

7.0

Founder Strength

3.5

Monetization Maturity

4.0

💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
⭐ Quality: 3.9★ across 3,903 reviews — solid.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: ⚠ last update 1659d ago — possibly dormant.
⚠️ Risk: Moderate — dormant (1659d since update).

🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.

💵 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:

bugsREVIEW		−$1,800
Low install base (3,903 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)

📥 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: Birthday Calendar
Developer: Dmitrii Soldatov
Bundle ID: me.grapescan.birthdays
App Store URL: Open in App Store
Category: Social
Content rating: Not found
Languages: Not found

Company

Website: Not found
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: $11/mo
Top-grossing rank: Not found
All-time revenue: Not found
Pricing: $1.49 per item

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 growth3,903 ratings+26% lifetimeShow 3-year history estimate ▾

Tracked (1 weeks) Pre-tracking estimate (36 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

Do you forget about your friends and colleagues birthdays? Hard to memorize all those dates? No time to prepare great presents beforehand? If so, you will enjoy this app! It will remind you every important date.

<b>The app contains no ads and it is completely free.</b> It is easy to use, unlike bulky calendars and organizers. You will be able to find desired date quickly within the app, without annoying ads and unnecessary complications. Yes, social networks can remind you some birthdays.… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v1.8.7-9dbb08c🔄 updated 0d ago📂 Social💰 Free💎 IAP $1.49 per item

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📝 Description

BU Score · Transcendent

Full revenue analysis

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

Read deep-dive →