Life - Menstruations Kalender
77
Quality Score
Strong
Life - Menstruations Kalender
High confidence
✍️ bumetric analysis
“
Life - Menstruations Kalender is an iOS app from Life Fertility Tracker IVS in the Health & Fitness category, currently rated 4.8★ across 62,660 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 77: 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID tierSUBSCRIPTION
💡 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
$95K
↳ What it cost to build · not monthly revenue
Likely range $70K – $130K
$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 |
| 📦 Asset bundle (96 MB) | +$18K |
| ⚙ Health & Fitness complexity ×1.40 | +$27K |
Total estimate
$95K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$25K
↳ What it would sell for · not monthly revenue
Marketplace range $20K – $35K · 19× MRR multiple
💸
~0.3× 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 |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Health & Fitness category multiple | +10% |
Final multiple
19× MRR
👥 Estimated audience size
4.3M
Lifetime downloads (US-equivalent)
Monthly active
955K
Daily active
330K
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
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Tailwinds: monetization model proven
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
Building · 59/100MID TIERSUBSCRIPTIONcompetitive build-outGrowth Velocity
5.0
Founder Strength
4.1
Product Quality
8.0
Revenue Strength
3.7
Monetization Maturity
9.5
Defensibility
7.0
Market Position
2.0
Operational Safety
7.5
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.76★ across 62,660 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Moderate — 7% subscription complaints, rating drift -2.24 ★ (recent 50 vs lifetime).
🎯 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
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 9 of 9 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (62,660 ratings)METRIC | +$5,500 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Mature app (12y old)METRIC | +$1,500 | |
| Multilingual (16 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| 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.
🆕 What's New · v6.6.4
Performance & Stability Updates
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Life - Menstruations Kalender
- Developer
- Life Fertility Tracker IVS
- Bundle ID
- co.lovetap.Female-by-Design
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- DA, NL, EN, FI, FR, DE, IT, JA, KO, NB, PT, ZH, ES, SV, ZH, TR
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
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.3K/mo
- Top-grossing rank
- Outside top 100 in US Health & Fitness
- 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.
📈Ratings growth62,660 ratings+9% lifetimeShow 3-year history estimate ▾
Tracked (57 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍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
Life Period Tracker lets you track your period, predict your ovulation, schedule cycle reminders, track your symptoms, moods, and more! Upgrade to Premium and track your health using all nine new health trackers! Track sex, fertility, weight, nutrition, fitness, sleep, medication, health, and even keep a diary! Download the best and most customizable women's health tracker on the App Store!
***We take your privacy very seriously! Unlike many other women's health apps, we don't require your email address to sign up and we don't sell or share your personal health data.… View full description on the official store →
***We take your privacy very seriously! Unlike many other women's health apps, we don't require your email address to sign up and we don't sell or share your personal health data.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 96 MB🔞 4+📱 iOS 13.0+🔖 v6.6.4🔄 updated 0d ago🌐 DA, NL, EN, FI, FR +11📂 Health & Fitness💰 Paid
📅
What Worked™ · Development Pipeline
10 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 →
2026-05
📈
Crossed 50,000 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: freemium → free
2026-03
⭐
Rating ↑ 1.95 → 4.60 (improved 2.65★)
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2024-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
2024-05
📈
Crossed 50 ratings — social-proof flywheel kicking in
2024-04
📈
Crossed 10 ratings — social-proof flywheel kicking in
2024-04
⭐
Rating ↑ 1.00 → 1.33 (improved 0.33★)
2024-04
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 150 reviews across 2 markets● 39% positive · ● 35% neutral · ● 26% negative · Rating drift: -2.24★ (declining — recent 50: 2.52★ vs lifetime: 4.76★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇺🇸 US
+0.17
🇯🇵 JP
+0.02
Top praise themes
period ×14 now ×12 thank ×8 data ×8 update ×8 one ×6 over ×5 features ×5
Top complaint themes
data gone ×12 deleted data ×11 new update ×11 pop ups ×5 update deleted ×5 behind paywall ×4 track cycle ×4 few months ×4
Risk signals
Subscription complaints: 7%
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.62237★ | 1,806 | 4.62237★ this version |
| 🇧🇷 BR | 4.79778★ | 3,427 | 4.79778★ this version |
| 🇨🇦 CA | 4.6664★ | 8,804 | 4.6664★ this version |
| 🇩🇪 DE | 4.62277★ | 16,465 | 4.62277★ this version |
| 🇫🇷 FR | 4.6295★ | 5,892 | 4.6295★ this version |
| 🇬🇧 GB | 4.68315★ | 3,781 | 4.68315★ this version |
| 🇮🇳 IN | 4.67312★ | 413 | 4.67312★ this version |
| 🇯🇵 JP | 4.24214★ | 1,685 | 4.24214★ this version |
| 🇺🇸 US | 4.75931★ | 62,691 | 4.75931★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Life - Menstruations Kalender: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 62,660 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Life - Menstruations Kalender make per month?▴
Based on our ML-calibrated revenue forecast, Life - Menstruations Kalender earns approximately $1.3K/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 Life - Menstruations Kalender?▴
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 Life - Menstruations Kalender?▴
Life - Menstruations Kalender is published by Life Fertility Tracker IVS 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 Life - Menstruations Kalender's BU Score?▴
Life - Menstruations Kalender has a BU Score of 77/100 (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.