73
BU Score
Strong
Calendar N
✍️ bumetric analysis
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Calendar N is an Android app from KF Software House in the Productivity category, currently rated 4.5★ across 44,897 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 73: Strong (healthy traction). For a Productivity 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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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:
| Mid install base (44,897 ratings)METRIC | +$5,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Good rating (4.5★)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 →🔖 v1.0.313🔄 updated 6mo ago📂 Productivity💰 Free📺 Ad-supported💎 IAP $2.00 - $2.99 per item🚀 Launched 2014 (11y old)
📝 About this app
DISCLAIMER: This is an independent application and is not affiliated with, endorsed, or sponsored by any government entity.
It's a calendar app that supports daily, weekly, monthly and yearly calendar functions. It supports public holidays for +30 regions. Voice reminders are supported as well.
Lunar phase, sunrise and sunset time are supported. Over 10 widgets are available, including agenda and calendars, clock, world cities time, and sticky note with voice recording feature, counter, Todo list, etc.
Weather service for selected locations are provided by several providers. See the following link for more info.
https://sites.google.com/kfsoft.info/new-calendar-privacy-policy
Data Sources:
All weather forecasts are provided by the following official public sources:
* Weather forecast service for Hong Kong is provided by DATA.GOV.HK.
* Weather forecast service for Macao is provided by Macao SAR Government Open Data Platform (DATA.GOV.MO).
* Weather forecast service for Taiwan is provided by the Government Data Open Platform (DATA.GOV.TW).
Weather forecast service for Singapore is provided by DATA.GOV.SG.
It's a calendar app that supports daily, weekly, monthly and yearly calendar functions. It supports public holidays for +30 regions. Voice reminders are supported as well.
Lunar phase, sunrise and sunset time are supported. Over 10 widgets are available, including agenda and calendars, clock, world cities time, and sticky note with voice recording feature, counter, Todo list, etc.
Weather service for selected locations are provided by several providers. See the following link for more info.
https://sites.google.com/kfsoft.info/new-calendar-privacy-policy
Data Sources:
All weather forecasts are provided by the following official public sources:
* Weather forecast service for Hong Kong is provided by DATA.GOV.HK.
* Weather forecast service for Macao is provided by Macao SAR Government Open Data Platform (DATA.GOV.MO).
* Weather forecast service for Taiwan is provided by the Government Data Open Platform (DATA.GOV.TW).
Weather forecast service for Singapore is provided by DATA.GOV.SG.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Calendar N
- Developer
- KF Software House
- Bundle ID
- info.kfsoft.calendar
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- kfsoft.info
- 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
- $1.6K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $2.00 - $2.99 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 growth44,897 ratings+28% 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 Calendar N: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.