75
BU Score
Strong
BusyCal: Kalender & To-Dos
✍️ bumetric analysis
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BusyCal: Kalender & To-Dos is an iOS app from Busy Apps FZE in the Productivity category, currently rated 4.7★ across 4,355 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 75: 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 12 of 12 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (4,355 ratings)METRIC | +$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Multilingual (10 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| support teamREVIEW | +$900 |
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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
⭐ 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 →💾 108 MB🔞 4+📱 iOS 15.6+🔖 v6.6.1🔄 updated 2w ago🌐 NL, EN, FR, DE, IT +5📂 Productivity💰 Paid🚀 Launched 2016 (9y old)
📝 About this app
BusyCal is a powerful, flexible and an extremely customizable calendar app for managing busy schedules, events and tasks.
BusyCal's unique features include natural language input, customizable calendar views, an integrated to do list, meeting scheduling, travel time, maps integration, tags, alarms, search, weather, moons, birthdays, anniversaries, graphics and more.
BusyCal provides reliable support for iCloud, Google Calendar, Google Tasks, Exchange / Microsoft Outlook, Office 365, Todoist and other CalDAV servers, enabling you to sync and share calendars with other Mac and iOS devices running BusyCal or the built-in Calendar app.
CALENDAR VIEWS
• Display your calendar by Month, Week, Day, List or Year.
• Pinch and zoom to control the number of weeks shown per month, and days shown per week.
• Customize the calendar appearance including calendar colors, weather, moons, birthdays, anniversaries, event times, week numbers and more.
CALENDAR SETS
• Manage different, named collections of calendars
• Quickly switch between different Calendar Sets
• Assign different default calendars to different sets
• Create new sets based on existing collections
PASSWORD PROTECTION
• Enhanced privacy with the option to lock all your calendar sets or just the ones you choose
WIDGETS
So. Many. Widgets
• Upcoming
• Event List & Calendar
• Calendar & Heatmap
• Today's Date
• Next two days
• This week
• Next two weeks
EVENTS
• Create events manually or automatically using natural language.
• Choose from a wide range of attributes to display when viewing or editing events including travel time, time zones, attendees, contacts, tags, maps, last edit time, and more.
• Add tags to events to track projects and important events.
TASKS
• Tasks are displayed directly in the calendar and carry-forward until completed.
• Tasks can be undated, or scheduled to occur on a specific date or time.
• Tasks can be scheduled to repeat daily, weekly, monthly, etc.
• Tasks can be sorted and filtered by date, priority, calendar or title.
JOURNALS
• Journal entries you create are displayed directly in the calendar as all-day events
• Journal can be scheduled to repeat daily, weekly, monthly, etc.
TRAVEL TIME, LOCATIONS & MAPS
• Create and use Favorite Time Zones
• Supports Location Services for adding locations to events.
• Supports both Apple Maps and Google Maps for driving directions.
• Travel time allows you to block out time to travel to an appointment.
• Alarms can warn you in advance of travel time when it's time to leave.
PERSONALIZATION
• Display Birthdays and Anniversaries, including birthday age and anniversary number.
• Display a live 10-day weather forecast.
• Display phases of the moon.
• Display graphics created in BusyCal for macOS.
SYNC & SHARE CALENDARS
• Sync and share calendars with iCloud, Google Calendar, Exchange, Outlook, Office 365, Todoist, Fruux, Yahoo, Kerio, Zimbra, Oracle, OwnCloud, Confluence, macOS Server, SabreDAV and other CalDAV servers.
• Sync with other Mac and iOS devices running BusyCal or the built-in Calendar app.
• Add Zoom, Webex, GoTo Meetings accounts to create meetings directly from the app
MORE
• Year Overview and Highlights
• Receive Inbox notifications of meetings and changes to events on shared calendars.
• Search your calendar for past and future events and tasks.
• Set default settings for events, tasks and alarms.
• Dark Mode
BusyCal's unique features include natural language input, customizable calendar views, an integrated to do list, meeting scheduling, travel time, maps integration, tags, alarms, search, weather, moons, birthdays, anniversaries, graphics and more.
BusyCal provides reliable support for iCloud, Google Calendar, Google Tasks, Exchange / Microsoft Outlook, Office 365, Todoist and other CalDAV servers, enabling you to sync and share calendars with other Mac and iOS devices running BusyCal or the built-in Calendar app.
CALENDAR VIEWS
• Display your calendar by Month, Week, Day, List or Year.
• Pinch and zoom to control the number of weeks shown per month, and days shown per week.
• Customize the calendar appearance including calendar colors, weather, moons, birthdays, anniversaries, event times, week numbers and more.
CALENDAR SETS
• Manage different, named collections of calendars
• Quickly switch between different Calendar Sets
• Assign different default calendars to different sets
• Create new sets based on existing collections
PASSWORD PROTECTION
• Enhanced privacy with the option to lock all your calendar sets or just the ones you choose
WIDGETS
So. Many. Widgets
• Upcoming
• Event List & Calendar
• Calendar & Heatmap
• Today's Date
• Next two days
• This week
• Next two weeks
EVENTS
• Create events manually or automatically using natural language.
• Choose from a wide range of attributes to display when viewing or editing events including travel time, time zones, attendees, contacts, tags, maps, last edit time, and more.
• Add tags to events to track projects and important events.
TASKS
• Tasks are displayed directly in the calendar and carry-forward until completed.
• Tasks can be undated, or scheduled to occur on a specific date or time.
• Tasks can be scheduled to repeat daily, weekly, monthly, etc.
• Tasks can be sorted and filtered by date, priority, calendar or title.
JOURNALS
• Journal entries you create are displayed directly in the calendar as all-day events
• Journal can be scheduled to repeat daily, weekly, monthly, etc.
TRAVEL TIME, LOCATIONS & MAPS
• Create and use Favorite Time Zones
• Supports Location Services for adding locations to events.
• Supports both Apple Maps and Google Maps for driving directions.
• Travel time allows you to block out time to travel to an appointment.
• Alarms can warn you in advance of travel time when it's time to leave.
PERSONALIZATION
• Display Birthdays and Anniversaries, including birthday age and anniversary number.
• Display a live 10-day weather forecast.
• Display phases of the moon.
• Display graphics created in BusyCal for macOS.
SYNC & SHARE CALENDARS
• Sync and share calendars with iCloud, Google Calendar, Exchange, Outlook, Office 365, Todoist, Fruux, Yahoo, Kerio, Zimbra, Oracle, OwnCloud, Confluence, macOS Server, SabreDAV and other CalDAV servers.
• Sync with other Mac and iOS devices running BusyCal or the built-in Calendar app.
• Add Zoom, Webex, GoTo Meetings accounts to create meetings directly from the app
MORE
• Year Overview and Highlights
• Receive Inbox notifications of meetings and changes to events on shared calendars.
• Search your calendar for past and future events and tasks.
• Set default settings for events, tasks and alarms.
• Dark Mode
🆕 What's New · v6.6.1
· [NEW] Export your calendars as CSV from Settings Export as CSV, to be used in spreadsheets or other apps.
· [NEW] Travel time in blocking events. A new Advanced preference lets time-blocking events on other calendars start earlier to cover an event's travel time. See Settings Advanced.
· [NEW] Automatic time-blocking rules (per calendar) now sync across all copies of BusyCal on macOS and iOS. Editing rules is currently available on BusyCal's mac version only.
· Improved compatibility with third-party CalDAV servers
· Further improvements to automatically updating linked time-blocking events when the main event changes during sync
· Fixed a bug with Task regeneration style 'completion date'
· Fixed a bug with timed tasks would get excluded from the upcoming complication
· Ongoing stability and performance enhancements
· [NEW] Travel time in blocking events. A new Advanced preference lets time-blocking events on other calendars start earlier to cover an event's travel time. See Settings Advanced.
· [NEW] Automatic time-blocking rules (per calendar) now sync across all copies of BusyCal on macOS and iOS. Editing rules is currently available on BusyCal's mac version only.
· Improved compatibility with third-party CalDAV servers
· Further improvements to automatically updating linked time-blocking events when the main event changes during sync
· Fixed a bug with Task regeneration style 'completion date'
· Fixed a bug with timed tasks would get excluded from the upcoming complication
· Ongoing stability and performance enhancements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- BusyCal: Kalender & To-Dos
- Developer
- Busy Apps FZE
- Bundle ID
- com.busymac.BusyCaliOS
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- NL, EN, FR, DE, IT, JA, KO, PT, ZH, ES
Company
- Website
- www.busymac.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
- $30.4K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- 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
📈Ratings growth4,355 ratings+42% lifetimeShow 3-year history estimate ▾
Tracked (56 weeks) Pre-tracking estimate (35 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.
Full revenue analysis
Read the article-style breakdown for BusyCal: Kalender & To-Dos: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
