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71
BU Score
Strong

Bom Calendar - Period tracker

4.3 ✍️ Editor
✍️ bumetric analysis

Bom Calendar - Period tracker is an Android app from bomcomes in the Health & Fitness category, currently rated 4.3★ across 28,482 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Our BU Score puts it at 71: Strong (healthy traction). For a Health & Fitness app, that means healthy traction.

Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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idle
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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
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💰 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:
Mid install base (28,482 ratings)METRIC
+$5,500
Mature app (8y old)METRIC
+$1,500
Good rating (4.3★)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 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.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v2.6.1🔄 updated 2w ago📂 Health & Fitness💰 Free📺 Ad-supported💎 IAP $0.99 - $21.99 per item🚀 Launched 2017 (8y old)

📝 About this app

- Bom Calendar, a unique period tracker you can customize
Get consistent with Bom Calendar! It’s the app you will want to see daily. Ever wondered when your next period will be? What about the chances of pregnancy? How about sexual interactions? Get the answers you want at any time with Bom Calendar. Customize everything from the calendar display, calendar scroll direction, visibility – all to your preference!

- Period, Schedule, To-Do List: All in One App
Accurate period tracking starts here. Add and manage your schedule and to-do-list with just one tap.… View full description on the official store →

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Bom Calendar - Period tracker
Developer
bomcomes
Bundle ID
kr.co.ll2016.theday
App Store URL
Open in App Store
Category
Health & Fitness
Content rating
Not found
Languages
Not found

Company

Website
bomcomes.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
$1.4K/mo
Top-grossing rank
Not found
All-time revenue
Not found
Pricing
$0.99 - $21.99 per item

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth28,482 ratings+54% lifetimeShow 3-year history estimate ▾May 2023Nov 2024May 2026
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.

More by bomcomes

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Full revenue analysis
Read the article-style breakdown for Bom Calendar - Period tracker: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →