YomKeeper vs ClearZmanim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YomKeeper
Read full descriptionHide full description
Convert dates between Hebrew and Gregorian calendars with ease Yom Keeper is the essential Hebrew calendar app for managing birthdays, anniversaries, yahrzeits, and custom Hebrew events. Whether you need to convert dates, track important occasions, or calculate future occurrences, Yom Keeper provides accurate Hebrew calendar functionality in a beautiful, intuitive interface. KEY FEATURES: BIDIRECTIONAL DATE CONVERSION • Convert any date between Hebrew and Gregorian calendars • Support for Hebrew characters (Gematriya format) • Accurate handling of leap years and calendar complexities • Real-time conversion with input validation HEBREW EVENT MANAGEMENT • Create birthdays, anniversaries, yahrzeits, and custom events • Input dates in either Hebrew or Gregorian systems • Persistent local storage - your data stays private • Full event editing and management capabilities OCCURRENCE CALCULATION • Calculate up to 120 future occurrences for any Hebrew event • Proper yahrzeit calculation following traditional Halachic rules • Handle special cases like Adar in leap years • Generate both Hebrew and Gregorian dates for each occurrence LOCALIZATION & DESIGN • Full Hebrew and English language support • Right-to-left (RTL) layout for Hebrew interface • Light and dark theme support PRIVACY FIRST • All data stored locally on your device • No cloud sync or data collection • Complete offline functionality • Your personal information never leaves your device
ClearZmanim
This app offers a clear and simple way to view daily Jewish prayer times. It provides location-based calculations and home screen widgets for quick access. An optional subscription unlocks advanced features like notifications and extended date viewing.
- Clear and simple design
- Location-based Zmanim calculation
- Home and Lock Screen widgets
- Optional notifications with ClearZmanim+
- Shortcuts for automation
- View Zmanim for multiple days
Read full descriptionHide full description
The most beautiful way to check Zmanim every day. CLEAR AND SIMPLE DESIGN See today's upcoming Zmanim right when you open the app. Check tomorrow or yesterday's Zmanim with just a swipe.* CHECK ZMANIM, ANYWHERE No matter where you are, ClearZmanim can calculate Zmanim. ClearZmanim can even find your location via GPS if you are offline, on supported devices. ZMANIM AT A GLANCE Add ClearZmanim's widgets to your Home Screen or Lock Screen to quickly check upcoming Zmanim without opening the app. NOTIFICATIONS With ClearZmanim+, you can be notified exactly when a Zman occurs. You can even choose how long before or after the Zman you'd like to be notified.** SHORTCUTS Calculate Zmanim in Shortcuts to use with automations. * Free users can check three days before and after the current day. ClearZmanim+ is required to view Zmanim on additional dates. ** ClearZmanim+ is required for notifications Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: YomKeeper at none against ClearZmanim's 1. YomKeeper also leads on iOS requirement (15.1 vs 26.1). ClearZmanim's advantage is update cadence (every 2 weeks vs every 9 months). On price, ads and device support 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. ClearZmanim sells 1 in-app purchase, starting at $7.99 per year. YomKeeper asks for nothing beyond the download.
YomKeeper ships an update every 9 months, ClearZmanim every 2 weeks. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | YomKeeper | ClearZmanim |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 9 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.1 |
| Further details — not scored | ||
| Size | 35 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Netanel Goldberg | Michael Berk |
In-app purchases
YomKeeper
No in-app purchases
ClearZmanim
- ClearZmanim+3 Days trial$7.991 Year









