Hebrew Calendar vs Onyx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hebrew Calendar
This app provides a comprehensive Jewish lifestyle experience, featuring a full Hebrew calendar, accurate prayer times, offline Siddur, daily learning resources, and community event listings. It offers tools for date conversion, reminders, and even a compass for prayer direction.
- Full Jewish calendar sync
- Accurate candle lighting & Havdalah times
- Offline Siddur
- Daily learning modules
- Date reminders (Yahrzeit, Birthday)
- Zmanim notifications
- Jewish holiday listings
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Join the largest Jewish app in the world. With over 3 million downloads and hundreds of thousands of active users every month, the Hebrew Calendar app is proud to be a pioneer in Jewish information and lifestyle content. Main Features: • Full Jewish calendar synced with your local calendar • Accurate candle lighting and Havdalah times based on your device’s GPS or manual location selection • Full Siddur, available offline • Tikun Chatzot, Bedtime Shema • Daily learning: Daily Rambam (1 and 3 chapters), Daf a Week, and more • Daily Tehillim, Parashat Hashavua, Tikkun HaKlali • Hebrew and standard date conversion • Date reminders by Hebrew date (Yahrzeit, Birthday, etc.) • Zmanim notifications and reminders • Calculators: Bar Mitzvah, Tahara purification, Numerology, Gematria • Directory of synagogues, mikvehs, and Chabad houses • Compass for prayer direction • Jewish holidays and event listings • Live stream from the Western Wall • Inspiring Torah lecture videos • WhatsApp sticker packs Gold Membership Subscription: You can subscribe to a Gold membership for an ad-free experience and full access to all app features. • Auto-renewable subscription • $1.49 monthly • Your subscription will be charged to your iTunes account at confirmation of purchase • It will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period • The current subscription cannot be canceled during the active subscription period • You can manage your subscription and turn off auto-renewal in your iTunes Account Settings after purchase Privacy Policy: https://hebrewcalendar.co.il/privacy/privacypolicy.htm Terms and Conditions: https://hebrewcalendar.co.il/privacy/termsandconditions.html If you enjoy the app, please share it with others and leave a review.
Onyx
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האפליקציה המאובטחת והמתקדמת ביותר לניהול ופתיחת דלתות. Onyx מאפשרת למשתמשים ומנהלים לשלוט על הגישה למבנה בממשק יוקרתי ובזמן אמת.
Screenshots
Verdict
The clearest difference is in-app purchases: Onyx at none against Hebrew Calendar's 7. Onyx also leads on ads (none vs shown). 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. Hebrew Calendar sells 7 in-app purchases, starting at $1.49 per month. Onyx asks for nothing beyond the download.
| Parameter | Hebrew Calendar | Onyx |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (11K ratings) — better | — |
| Positive reviews | 82.2% of reviews | — |
| Number of ratings | 11K — better | — |
| Update frequency | Every 4 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 56 MB | 28 MB |
| Age rating | 4+ | 17+ |
| Developer | iEnd Software Development LTD | Yosi Klein |
Bugs and requests
Hebrew Calendar
Reported bugs
3 issues- Date widget not working properly
- Crashes and not opening on some devices
- Kotel live cameras failing and showing Chinese scripts
Requested features
6 requests- Add English translations and language options
- Improve navigation and make it easier to use
- Add ability to edit Yartzeit dates
- Include more English help notes and explanations
- Integrate with iPhone calendar more seamlessly
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- Add ability to add comments and notes to calendar
Onyx
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Hebrew Calendar
- Gold membership$1.491 Month
- Classic Supporter$1.991 Month
- Enthusiastic Supporter$4.991 Month
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- Major Supporter$9.991 Month
- Annual Supporter7 Days trial$19.991 Year
- Synagogue's database$6.99
- Ads-Free$14.99
Onyx
No in-app purchases









