59
BU Score
Solid
Minimal Calendar: Minimal Cal
✍️ BU Analytics Review
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Minimal Calendar: Minimal Cal is an iOS app from Rationale Design LLC in the Productivity category, currently rated 4.6★ across 335 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 59 — 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
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Reviews
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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.
🔬Forecast Breakdown — Why This Estimate?Top 5 of 5 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 (4.6★)METRIC | +$2,200 | |
| cancelledREVIEW | −$1,500 | |
| Established app (7y old)METRIC | +$800 | |
| Early-stage install base (335 ratings)METRIC | +$400 |
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 →💾 6 MB🔞 4+📱 iOS 15.6+🔖 v1.0.14🔄 updated 1y ago🌐 EN, FR, DE📂 Productivity💰 Free🚀 Launched 2018 (7y old)
📝 About this app
We wanted a focused, beautiful, and clear calendar experience. Something less that can be more inspiring to use daily. Meet Minimal Calendar.
With its design and features, we focused only on the basics, done smart and straightforward. Navigation, event creation, editing, and all functions are uncluttered, easy, and fast.
Minimal Calendar integrates with Apple iCloud, Google, Exchange, and all iOS supported calendars
If you have any questions or need assistance, please contact us. We'll be happy to help.
With its design and features, we focused only on the basics, done smart and straightforward. Navigation, event creation, editing, and all functions are uncluttered, easy, and fast.
Minimal Calendar integrates with Apple iCloud, Google, Exchange, and all iOS supported calendars
If you have any questions or need assistance, please contact us. We'll be happy to help.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Minimal Calendar: Minimal Cal
- Developer
- Rationale Design LLC
- Bundle ID
- Rationale.MinimalCalendar
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN, FR, DE
Company
- Website
- minimalcalendar.com
- Tagline
- Minimal Calendar
- Description
- Minimal Calendar for iPhone – Bold design. Elegant typography. Simple features.
- 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
- $2.8K/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 growth335 ratings+16650% lifetimeShow 3-year history estimate ▾
Tracked (32 weeks) Pre-tracking estimate (36 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.
