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36
BU Score
Emerging

Shabbos Clock

2.4 ✍️ Editor
✍️ bumetric analysis

Shabbos Clock is an iOS app from RustyBrick, Inc. in the Utilities category, currently rated 2.4★ across 21 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Our BU Score puts it at 36: Emerging (early traction worth watching). For a Utilities app, that means early traction worth watching.

Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue 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 6 of 6 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 appREVIEW
+$1,500
Below-average rating (2.4★)METRIC
−$1,500
Mature app (17y old)METRIC
+$1,500
Single-language (English only)METRIC
−$400
Pre-traction phase (21 ratings)METRIC
−$300
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jul 24
Jul 25
Aug 25

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 90 MB🔞 4+📱 iOS 9.0+🔖 v2.4🔄 updated 8y ago🌐 EN📂 Utilities💰 Paid🚀 Launched 2009 (17y old)

📝 About this app

Can't part with your iPhone on the holiest day of the week? We've got the solution!

Shabbos Clock is the app for every Jew who celebrates the Shabbat.

Features:

* Displays current time on screen.
* Unlimited Alarm Options
* Alarms automatically shut off after specified duration (10-50 seconds)
* No snooze button to interfere with Shabbos rules.
* Repeatable Alarms by Weekly Pattern
* Set Alarms Based Off Of Offsets Of Your Local Sunrise & Sunset
* Full iOS11 and iPhone X Support

Important: For the alarm to be triggered, you must leave this application open. Closing the program or the iPhone will prevent the alarm from waking you up. Please also make sure your ringer volume is loud enough to wake you up. Make sure to plug in your device to prevent battery drain from not waking you up. Test BEFORE Shabbos to confirm your setup works.

Note: If you are using an iPod Touch first generation, make sure to plug in external speakers to hear the alarm.


לא יכולים להיפרד מהסמארטפון בשבת? לנו יש את הפיתרון!

שעון שבת הוא אפליקציה לכל יהודי שומר שבת

תכונות:
*מייצג שעה נוכחית על המסך
*אפשרויות שעון מעורר ללא הגבלה
*שעון מעורר נכבה אוטומטית לאחר זמן מוגדר (10-50 שניות)
*ללא כפתור "נודניק" המהווה חילול שבת
*צילצול שחוזר על עצמו באופן שבועי
*כוונו את השעון לזריחה ושקיעה של איזורכם
*תמיכה מלאה ל-iOS11 ול- iphoneX

חשוב: בכדי להפעיל את השעון, חובה להשאיר את האפליקציה הזו פתוחה.
סגירת האפליקציה או את הסמארטפון ימנע מהתוכנה לעבוד. אנא ודאו כי עוצמת הקול של הנייד גבוהה מספיק להעיר אתכם. במידת הצורך, חברו את שקע החשמל שלא ייגמר הסוללה. בדקו לפני השבת לוודא שההגדרות תקינות.

הערה: אם הינך משתמש ב-ipod Touch דור ראשון, ודא לחבר אליו רמקולים חיצוניים לשמוע את הצלצול.

🆕 What's New · v2.4

This update from Apple will improve the functionality of this app. No new features are included.

iPhone X Support

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Shabbos Clock
Developer
RustyBrick, Inc.
Bundle ID
com.rustybrick.ShabbosClock
App Store URL
Open in App Store
Category
Utilities
Content rating
4+
Languages
EN

Company

Website
www.rustybrick.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
$8.7K/mo
Top-grossing rank
Outside top 100 in US Utilities
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
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
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth21 ratings+2000% lifetimeShow 3-year history estimate ▾Jan 2009Jun 2023May 2026
Tracked (42 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.

More by RustyBrick, Inc.

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Full revenue analysis
Read the article-style breakdown for Shabbos Clock: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →