Comparison

Shabbos Clock vs GuardKit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Shabbos Clock

This app provides a solution for observant Jews who wish to use their smartphone during Shabbat. It offers customizable alarms that adhere to religious guidelines, including automatic shut-off and no snooze function. The app also allows alarms to be set based on local sunrise and sunset times.

Highlights
  • Unlimited alarm options
  • Automatic alarm shut-off
  • No snooze button
  • Repeatable weekly alarms
  • Alarms based on sunrise/sunset offsets
  • Full iOS11 and iPhone X support
Features
Read full description

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.

About

GuardKit

This app monitors your device for unexpected movement or interaction while you're away. It analyzes motion signals and can optionally detect nearby audio activity levels, providing a timeline of events. All data is stored locally on your device for enhanced privacy.

Highlights
  • Motion-based activity indicators
  • Optional audio activity level detection
  • Chronological event timelines
  • Local-first data storage
  • User control over permissions
Read full description

GuardKit is designed to help you understand when your device may have been moved or interacted with while you were away. GuardKit works by running user-initiated Guard Sessions that analyze motion signals such as acceleration, orientation changes, and handling-like movement patterns. If you choose to enable it, GuardKit can also monitor nearby audio activity levels to provide additional context. All analysis is performed on-device. Key features: • Motion-based activity indicators during active Guard Sessions • Optional audio activity level detection (no audio recording) • Clear, chronological timelines of detected events • Local-first data storage — your data stays on your device • Full user control over permissions and features Premium access: GuardKit offers a free 3-day trial with full access to premium features. After the trial, premium access is available via a one-time purchase (Lifetime Unlock). No subscriptions are required. Learn more at https://www.guardkitapp.com

Screenshots

Shabbos Clock4 screens
GuardKit4 screens

Verdict

The call

The clearest difference is price: GuardKit at Free against Shabbos Clock's $0.99. GuardKit also leads on rating (5.0 vs 2.4) and update cadence (every 3 weeks vs every 5 months). Shabbos Clock's advantage is in-app purchases (none vs 1) and ratings volume (21 vs 3). On ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

GuardKit is free to download; Shabbos Clock costs $0.99 up front. GuardKit sells 1 one-off in-app purchase. Shabbos Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GuardKit holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Shabbos Clock has 21 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Shabbos Clock ships an update every 5 months, GuardKit every 3 weeks. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

Scorecard8 real differences · 2 level
Shabbos Clock versus GuardKit: the parameters behind the verdict, then further details
ParameterShabbos ClockGuardKit
Price$0.99Free — better
Rating2.4 (21 ratings)5.0 (3 ratings) — better
Positive reviews30.9% of reviews—
Number of ratings21 — better3
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.0
Further details — not scored
Size89 MB2 MB
Age rating4+4+
DeveloperRustyBrick, Inc.BLUR TEC LLC

Customer experience

Shabbos Clock

All ratings21 ratings
Positive28.6%
Neutral9.5%
Negative61.9%
Written reviews55 reviews
Positive30.9%
Neutral9.1%
Negative60.0%

GuardKit

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Shabbos Clock

No in-app purchases

1 purchases

GuardKit

One-time1
  • Lifetime Unlock$4.99

Questions

Is Shabbos Clock free?
Shabbos Clock costs $0.99, with no in-app purchases.
Is GuardKit free?
GuardKit is free to download, with in-app purchases available.
Which has better reviews, Shabbos Clock or GuardKit?
GuardKit is rated higher. Shabbos Clock averages 2.4 out of 5 from 21 ratings, while GuardKit averages 5.0 from 3 ratings.
Do Shabbos Clock or GuardKit have ads?
Neither Shabbos Clock nor GuardKit shows ads.
Which is updated more often, Shabbos Clock or GuardKit?
Shabbos Clock ships an update every 5 months, and GuardKit every 3 weeks. Most recently, Shabbos Clock was updated on October 12, 2026 and GuardKit on October 2, 2026.

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