60
BU Score
Solid
Monthly Calendar & Holidays
✍️ bumetric analysis
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Monthly Calendar & Holidays is an Android app from 16nine in the Travel & Local category, currently rated 4.2★ across 4,904 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 60: Solid (established niche player). For a Travel & Local 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
—
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.
🔬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:
| Low install base (4,904 ratings)METRIC | +$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Good rating (4.2★)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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v2.2.1🔄 updated 8mo ago📂 Travel & Local💰 Free📺 Ad-supported💎 IAP $0.49 - $169.00 per item🚀 Launched 2017 (8y old)
📝 About this app
<b>Calendar169</b>
Easy to mark calendar with holidays
Write memo on calendar
Mark with circle or emoji 📝📌
Memo & holidays notifications
Add University holidays
Dark theme support
School holidays can be added in the settings.
Country holidays can be downloaded in the settings.
<b>Theme Color</b>
Horse Calendar (red & yellow)
Islam Calendar (green)
Empty Basic Calendar
<b>Holidays Calendar</b>
🇺🇸 USA calendar
🇮🇳 India calendar
🇸🇬 Singapore calendar
✈️ 100+ countries holidays
<b>Additional Calendar</b>
☪️ Muslim calendar / Islamic months
🏮 Lunar calendar / Chinese months
<b>Data Usage</b>
This app is free but will use internet data in the background to update data source, ads content, server configuration and report error.
Easy to mark calendar with holidays
Write memo on calendar
Mark with circle or emoji 📝📌
Memo & holidays notifications
Add University holidays
Dark theme support
School holidays can be added in the settings.
Country holidays can be downloaded in the settings.
<b>Theme Color</b>
Horse Calendar (red & yellow)
Islam Calendar (green)
Empty Basic Calendar
<b>Holidays Calendar</b>
🇺🇸 USA calendar
🇮🇳 India calendar
🇸🇬 Singapore calendar
✈️ 100+ countries holidays
<b>Additional Calendar</b>
☪️ Muslim calendar / Islamic months
🏮 Lunar calendar / Chinese months
<b>Data Usage</b>
This app is free but will use internet data in the background to update data source, ads content, server configuration and report error.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Monthly Calendar & Holidays
- Developer
- 16nine
- Bundle ID
- calendar.alert.nine
- App Store URL
- Open in App Store
- Category
- Travel & Local
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- 16nine.github.io
- 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
- $753/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.49 - $169.00 per item
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
📈Ratings growth4,904 ratings+33% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 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.
Full revenue analysis
Read the article-style breakdown for Monthly Calendar & Holidays: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.