WomanLog Period Calendar
71
Quality Score
Strong
WomanLog Period Calendar
High confidence
✍️ bumetric analysis
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WomanLog Period Calendar is an Android app from Pro Active App SIA in the Health & Fitness category, currently rated 4.0★ across 128,134 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 71: Strong (healthy traction). For a Health & Fitness 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
$1.2M
per month
→
12-mo forecast
$1.3M – $2.0M
per month
→
24-mo forecast
$1.5M – $2.8M
per month
BIG 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
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$130K
↳ What it cost to build · not monthly revenue
Likely range $100K – $175K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~5.0y 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 |
| 💎 In-app purchase plumbing | +$9K |
| ⚙ Health & Fitness complexity ×1.40 | +$23K |
| 🌐 Cross-platform reach (iOS + Android) | +$45K |
Total estimate
$130K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $100K · 32× MRR multiple
💸
~0.6× 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 |
| 🏷 Health & Fitness category multiple | +10% |
| ⭐ Mature user base (100K+ ratings) | +5% |
Final multiple
32× MRR
👥 Estimated audience size
8.9M
Lifetime downloads (US-equivalent)
Monthly active
1.9M
Daily active
680K
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 / MAU
35% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$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 · 64/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
7.0
Product Quality
8.1
Revenue Strength
6.1
Monetization Maturity
5.0
Defensibility
10.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Healthy — $480K - $2640K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.05★ across 128,134 reviews — strong (top 10%).
- 📍 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: 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 = $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
MODELRevenue 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:
| High install base (128,134 ratings)METRIC | +$12,000 | |
| Mature app (15y old)METRIC | +$1,500 | |
| Good rating (4.0★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage 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
- WomanLog Period Calendar
- Developer
- Pro Active App SIA
- Bundle ID
- com.womanlog
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.womanlog.com
- 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
- $2.2K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $139.99 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 growth128,134 ratings+25% lifetimeShow 3-year history estimate ▾
Tracked (2 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🚀Version Release Timeline2 releases tracked
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
WomanLog is a menstrual and fertility calendar for women.
WomanLog Period Calendar and Tracker is an excellent choice to track your menstrual cycle and your period.
Extremely reliable. Very helpful. Easy to use.
The WomanLog app offers great features to track your cycle and period.
Key features:
* Period tracker for both regular and irregular cycle.
* Period, fertility and ovulation forecast. Standard and advanced mode (on the basis of the previous cycle data and depending on the fluctuations of the cycle length during the previous months).… View full description on the official store →
WomanLog Period Calendar and Tracker is an excellent choice to track your menstrual cycle and your period.
Extremely reliable. Very helpful. Easy to use.
The WomanLog app offers great features to track your cycle and period.
Key features:
* Period tracker for both regular and irregular cycle.
* Period, fertility and ovulation forecast. Standard and advanced mode (on the basis of the previous cycle data and depending on the fluctuations of the cycle length during the previous months).… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v7.3.5🔄 updated 0d ago📂 Health & Fitness💰 Free📺 Ad-supported💎 IAP $0.99 - $139.99 per item
📅
What Worked™ · Development Pipeline
2 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-06
🔧
Shipped update — v7.2.9 → v7.3.5
→ 30 days after: reviews −285 medium · co-occurring
2026-05
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews −285 high confidence
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for WomanLog Period Calendar: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Pro Active App SIA
View all →📦 Portfolio summaryINDIE studio
7apps·$31K/mocombined
Lead-app heavy — top app contributes 55%
About this analysis
Why high confidence: 128,134 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does WomanLog Period Calendar make per month?▴
Based on our ML-calibrated revenue forecast, WomanLog Period Calendar earns approximately $2.2K/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 WomanLog Period Calendar?▴
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 WomanLog Period Calendar?▴
WomanLog Period Calendar is published by Pro Active App SIA 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 WomanLog Period Calendar's BU Score?▴
WomanLog Period Calendar 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.