Shabbat Alarm Clock vs JupiTerp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shabbat Alarm Clock
Schedule alarms to wake up for services and avoid missing shul. Customize ringtones with your own recordings or select from various sounds. Test notifications to ensure proper setup.
- Schedule alarms for Shabbat and Yom Tov
- Record custom ringtones
- Choose from various sound options
- Test notification functionality
- Repeat alarms (paid feature)
- Ad removal (paid feature)
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Wake up on time for minyan! The Shabbat Alarm Clock makes it easy to schedule alarms so you don't miss shul! Record your own ringtone or choose from a variety of sounds with varying lengths! Simply tap the Test Notification button to make sure your device is ready to go! No more guessing if it's set up correctly! Paid Features: -Repeat Alarms -Remove Ads Feedback is welcome! Let me know how to improve by sending an email to DanielGerberApps@Gmail.com
JupiTerp
This app helps University of Maryland students plan their course schedules efficiently. It allows searching the full course catalog, filtering by various criteria, and visualizing the weekly schedule on a grid. Schedules can be saved and exported to a calendar.
- Search full UMD course catalog
- Filter by department, GenEd, professor
- View PlanetTerp/RateMyProfessors ratings
- Live seat availability
- Visual weekly schedule grid
- Automatic time conflict detection
- Export schedule to calendar
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Jupiterp — the course planner built for Terps. Stop juggling Testudo tabs and spreadsheets. Jupiterp gives University of Maryland students a fast, focused way to build the perfect schedule — search any course, browse every section, see who's teaching, and watch your week come together on a clean visual grid. Built for how students actually pick classes - Search the full UMD course catalog with instant results - Filter by department, GenEd requirement, or professor - Type `@ProfessorName` to find every course they teach - See PlanetTerp / RateMyProfessors ratings right on each section - Live seat availability — know what's open before you register A schedule you can see - Visual weekly grid with color-coded class blocks - Automatic time conflict detection — sections that clash are flagged before you add them - Async, weekend, and TBA classes tracked separately so nothing gets lost - Save multiple plans (Plan A, Plan B, "dream semester") and switch between them From planning to your calendar in one tap - Export your schedule directly to your calendar - Recurring weekly events through the semester end date - No accounts, no sign-up, no tracking Made by UMD students, for UMD students. Free and open source. *Jupiterp is not affiliated with the University of Maryland.*
Screenshots
Verdict
The clearest difference is in-app purchases: JupiTerp at none against Shabbat Alarm Clock's 4. JupiTerp also leads on ads (none vs shown) and rating (5.0 vs 4.8). Shabbat Alarm Clock's advantage is update cadence (every 4 days vs every 3 months) and ratings volume (473 vs 1). On price, device support and iOS requirement 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
Both are free to download. Shabbat Alarm Clock sells 4 one-off in-app purchases. JupiTerp asks for nothing beyond the download.
JupiTerp holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Shabbat Alarm Clock has 473 ratings behind it against 1, so its average is the more settled of the two.
Shabbat Alarm Clock ships an update every 4 days, JupiTerp every 3 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Shabbat Alarm Clock | JupiTerp |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (473 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 90.1% of reviews | — |
| Number of ratings | 473 — better | 1 |
| Update frequency | Every 4 days — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 162 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Gerber | Justin Fournier |
Customer experience
Shabbat Alarm Clock
JupiTerp
Bugs and requests
Shabbat Alarm Clock
Reported bugs
2 issues- Alarms ringing without any set
- App not working at all for some users
Requested features
4 requests- Recurring/weekly alarm scheduling
- Ability to bypass silent mode
- More alarm sound options
- Improved visual design
JupiTerp
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Shabbat Alarm Clock
- Support the Developer$0.99
- Remove Ads$2.99
- Enable Repeating Alarms$2.99
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- Remove Ads + Repeating Alarms$4.99
JupiTerp
No in-app purchases
Questions
Is Shabbat Alarm Clock free?
Is JupiTerp free?
Which has better reviews, Shabbat Alarm Clock or JupiTerp?
Do Shabbat Alarm Clock or JupiTerp have ads?
Which is updated more often, Shabbat Alarm Clock or JupiTerp?
Other comparisons
