60
BU Score
Solid
Calendar
✍️ bumetric analysis
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Calendar is an Android app from MB4ANDROID in the Productivity category, currently rated 4.0★ across 10,478 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 60: Solid (established niche player). For a Productivity app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
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Snapshots tracked
0
since first record
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.
📈 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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v6.17🔄 updated 5mo ago📂 Productivity💰 Free
📝 About this app
The calendar widget shows the current day, sunrise and sunset, moon phases and its rising and setting, zodiac sign, calendar events, historical events and the expected start of the menstrual period. This last option must be enabled in the settings.
Full view contains weather forecast.
NOTE set the latitude and longitude of its location to hours of sunrise and sunset display properly.
Application use:
- Internet - for display advertising
Full view contains weather forecast.
NOTE set the latitude and longitude of its location to hours of sunrise and sunset display properly.
Application use:
- Internet - for display advertising
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Calendar
- Developer
- MB4ANDROID
- Bundle ID
- pl.mb.calendar
- App Store URL
- Open in App Store
- Category
- Productivity
- 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
- $982/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- 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
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
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.
Full revenue analysis
Read the article-style breakdown for Calendar: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.