10
BU Score
Niche
World Clockr
✍️ bumetric analysis
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World Clockr is an iOS app from Piet Jonas in the Travel category, currently rated 1.0★ across 1 ratings. Initial signal reads as no scraped reviews yet: judgment based on metadata only.
Our BU Score puts it at 10: Niche (micro-niche or pre-traction stage). For a Travel app, that means micro-niche or pre-traction stage.
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 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 | |
| Below-average rating (1.0★)METRIC | −$1,500 | |
| Mature app (17y old)METRIC | +$1,500 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (1 ratings)METRIC | −$300 |
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 →💾 2 MB🔞 4+📱 iOS 11.0+🔖 v1.5.2🔄 updated 3y ago🌐 EN📂 Travel💰 Paid🚀 Launched 2009 (17y old)
📝 About this app
World Clockr gives everybody his own collection of digital world clocks. Each clock is customized to a location and time zone. This way it can show accurate sunrise and sunset times and reflect the current sun position on its animated background.
By tapping the text you can switch between 12/24 hours and date, timezone and sunrise/sunset times.
By tapping the text you can switch between 12/24 hours and date, timezone and sunrise/sunset times.
🆕 What's New · v1.5.2
- saving bug fixed
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- World Clockr
- Developer
- Piet Jonas
- Bundle ID
- com.worldclockr.apps.WorldClockr
- App Store URL
- Open in App Store
- Category
- Travel
- Content rating
- 4+
- Languages
- EN
Company
- Website
- m.worldclockr.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
- $201/mo
- Top-grossing rank
- Outside top 100 in US Travel
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- http://www.spreadfirefox.com/node&id=0&t=331
- 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
- info@worldclockr.com
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth1 ratingsShow 3-year history estimate ▾
Tracked (1 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.
Full revenue analysis
Read the article-style breakdown for World Clockr: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.