How much does Period Calendar Period Tracker make per month?

Based on our ML-calibrated revenue forecast, Period Calendar Period Tracker earns approximately $7.4K/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 Period Calendar Period Tracker?

Browse the full Health & Fitness 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 Period Calendar Period Tracker?

Period Calendar Period Tracker is published by Simple Design Ltd. 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 Period Calendar Period Tracker's BU Score?

Period Calendar Period Tracker has a BU Score of 87/100 (Excellent). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.

Period Calendar Period Tracker

Quality Score

Excellent

Period Calendar Period Tracker

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

High confidence

4.9 ✍️ Editor

✍️ bumetric analysis

“

This Android app targets the highly competitive women’s health tracking niche, directly competing with established players like Flo and Clue. Its strong user rating, backed by over 4.8 million reviews, signals significant traction and a mature product with a large, engaged user base. This volume of positive feedback suggests the app has moved well beyond early growth stages, establishing itself as a dominant player. Given its free monetization model, the primary revenue driver in this category is typically a premium subscription offering advanced features like expert content, ad removal, or deeper analytics. Founders in this space often see a strong conversion from a free tier to a monthly or annual subscription, with average revenue per user (ARPU) heavily influenced by the value proposition of these premium tiers rather than direct one-time purchases.

BU Score 87 · Excellent — strong product-market fit. The full Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.

Track snapshot history and revenue forecast in the Performance section below.

💰 Monthly revenue · now vs forecast

● Right now

$1.2M

per month

→

12-mo forecast

$1.3M – $2.0M

per month

→

24-mo forecast

$1.5M – $2.8M

per month

BIG tier

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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

$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 ~1.2y 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
⚙Health & Fitness complexity ×1.40	+$20K
🌐Cross-platform reach (iOS + Android)	+$38K

Total estimate$110K

ONE-TIME · EXIT VALUE💵 Estimated acquisition value

$150K

↳ What it would sell for · not monthly revenue

Marketplace range $125K – $200K · 20× MRR multiple

💸~1.4× build cost (break-even+)

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%
🏷Health & Fitness category multiple	+10%
⭐Mature user base (1M+ ratings)	+8%

Final multiple20× MRR

👥 Estimated audience size

340.0M

Lifetime downloads (US-equivalent)

Monthly active

74.5M

Daily active

26.0M

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

📲Health & Fitness engagement	~70 installs / rating
🔁Health & Fitness D30 retention	22%
📍DAU / MAU stickiness	0.35

DAU / MAU35% 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	Health & Fitness
📦Compact Android bundle	→ Native Kotlin

🔬

How we forecast this revenue

MEDIUM CONFIDENCE

Baseline

$1.2M/mo · ML-estimated from 234 triggers

Growth rate

+2.5% MoM · BIG tier baseline (compound monthly)

6 months

$1.2M – $1.6M

12 months

$1.3M – $2.0M

24 months

$1.5M – $2.8M

Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.

📊

BU Investment Matrix

Mixed signals · 55/100BIG TIERcompetitive but cautious

Growth Velocity

5.0

Founder Strength

7.4

Product Quality

9.8

Revenue Strength

6.1

Monetization Maturity

1.0

Defensibility

5.0

Market Position

0.0

Operational Safety

10.0

💰 Revenue: Healthy — $480K - $2640K/mo · BIG tier · medium-low confidence, trajectory unclear.
⭐ Quality: 4.88★ across 4,857,585 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 = $21.6M-$38.4M.

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 3 of 3 triggers

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

High install base (4,857,585 ratings)METRIC		+$12,000
Excellent rating (4.9★)METRIC		+$2,200
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: Period Calendar Period Tracker
Developer: Simple Design Ltd.
Bundle ID: com.popularapp.periodcalendar
App Store URL: Open in App Store
Category: Health & Fitness
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: $7.4K/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.

✨AI Revenue EstimateCONFIDENCE: LOW

Direct monthly or annual revenue estimates for the Android app "Period Calendar Period Tracker" by Simple Design Ltd. are not publicly available. While a similarly named app on the Apple App Store, published by a Hong Kong-based company, generated an estimated $200,000 in monthly revenue, Sensor Tower's publisher overview for Simple Design Ltd. indicates a total worldwide revenue of $90,000 per month across all its apps, with its highest-grossing app being a speedometer. The Android app has over 100 million downloads, suggesting significant user engagement.

Sources mentioned: Sensor Tower, Adapty, Reddit, Mozilla Foundation, Privacy International, Rev.now, AppBrain, Mordor Intelligence, Precedence Research, Google Play

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

★The rating 4.9★ period calendar! 

Popular in 63 Countries. 

Trusted by 300 million Users. 

Keep track of your menstrual cycles with Period Calendar. It tracks your periods, blood flow, cycles, ovulation and the chance of conception. Period tracker helps both women looking to <b>conceive</b> and those trying to <b>birth control</b>. 

Period Tracker is useful, whether you have <b>irregular periods</b> or regular periods. It can track your <b>chance of pregnancy</b> every day.… View full description on the official store →

App Specs

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📝 Description

BU Score · Transcendent

Full revenue analysis

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

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