74
BU Score
Strong
Easy Calendar
✍️ BU Analytics Review
“
Easy Calendar is an iOS app from Tom van Zummeren in the Productivity category, currently rated 4.7★ across 2,581 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 74 — 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.
creator
📊 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 10 of 10 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 (2,581 ratings)METRIC | +$1,500 | |
| Mature app (15y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Localized (5 languages)METRIC | +$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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
May 24
Aug 24
Nov 24
Feb 25
May 25
Aug 25
Sep 25
Oct 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 →💾 46 MB🔞 4+📱 iOS 15.6+🔖 v4.10.17🔄 updated 1w ago🌐 NL, EN, FR, DE, ES📂 Productivity💰 Paid🚀 Launched 2011 (15y old)
📝 About this app
Experience the ease of use of a weekly calendar in the palm of your hand! Designed around frequent tasks, Easy Calendar lets you create and edit events with just a few taps.
Automatically syncs with your current calendar.
Features
• Perfect overview of the week
• 100% integration with native iPhone calendar events
• Synchronization with iCloud, Outlook, Google Calendar, Hotmail and other CalDAV calendars using the native iPhone
features
• Rotate your device to switch between one week and a three weeks view
• Month view for long-term planning and to quickly jump to another week
• Unique search function straight from within the week view
• Innovative move/copy function that uses the week view to select a new date
• Night mode - A black theme that is easier on the eye in the evening and at night!
• Add sports, weather and other info to your calendar with a simple in-app purchase
Customizability
• Many different color themes to personalize the app!
• Make the app's font bigger or smaller to your liking
• Decide how much space you need for each day by customizing the week layout
We appreciate your opinion and are always interested in hearing from you. Feel free to leave your feedback in the form of a review or contact us at: support@easy-calendar.com
Access to all available calendars for 1 year
With a yearly subscription you get full and ongoing access to all available calendars including (live) updates in your calendar. A subscription always starts with a one-month free trial, so you can try before you buy. A subscription costs $1.99 per year. Payment will be charged to your iTunes Account at confirmation of purchase and after the 1 month free trial.The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current 1 year period. You can turn off auto-renew at any time from your iTunes account settings. Cancellation of the current active subscription period is not allowed.
Find the full terms and conditions, and our privacy policy, at http://easy-calendar.com/policies/terms-of-use.html and http://easy-calendar.com/policies/privacy-policy.html respectively.
Automatically syncs with your current calendar.
Features
• Perfect overview of the week
• 100% integration with native iPhone calendar events
• Synchronization with iCloud, Outlook, Google Calendar, Hotmail and other CalDAV calendars using the native iPhone
features
• Rotate your device to switch between one week and a three weeks view
• Month view for long-term planning and to quickly jump to another week
• Unique search function straight from within the week view
• Innovative move/copy function that uses the week view to select a new date
• Night mode - A black theme that is easier on the eye in the evening and at night!
• Add sports, weather and other info to your calendar with a simple in-app purchase
Customizability
• Many different color themes to personalize the app!
• Make the app's font bigger or smaller to your liking
• Decide how much space you need for each day by customizing the week layout
We appreciate your opinion and are always interested in hearing from you. Feel free to leave your feedback in the form of a review or contact us at: support@easy-calendar.com
Access to all available calendars for 1 year
With a yearly subscription you get full and ongoing access to all available calendars including (live) updates in your calendar. A subscription always starts with a one-month free trial, so you can try before you buy. A subscription costs $1.99 per year. Payment will be charged to your iTunes Account at confirmation of purchase and after the 1 month free trial.The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current 1 year period. You can turn off auto-renew at any time from your iTunes account settings. Cancellation of the current active subscription period is not allowed.
Find the full terms and conditions, and our privacy policy, at http://easy-calendar.com/policies/terms-of-use.html and http://easy-calendar.com/policies/privacy-policy.html respectively.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Easy Calendar
- Developer
- Tom van Zummeren
- Bundle ID
- com.tomvanzummeren.EasyCalendar
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- NL, EN, FR, DE, ES
Company
- Website
- www.easy-calendar.com
- Tagline
- Easy Calendar
- Description
- Experience the ease of use of a weekly calendar in the palm of your hand! Designed around frequent tasks, Easy Calendar lets you create and edit events with just a few taps.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $29.7K/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
- https://www.easy-calendar.com/support/
- About page
- Not found
📈Ratings growth2,581 ratings+484% lifetimeShow 3-year history estimate ▾
Tracked (59 weeks) Pre-tracking estimate (37 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.
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