365 Days Calendar
Cyberdeploy Inc. Utilities iPhoneiPadiPod touch
365 Days Calendar is a paid Utilities app for iPhone and iPad by Cyberdeploy Inc. Rated 4.7/5 from 26 ratings. Requires iOS 17.6. Updated January 10, 2026.
- Rating
- 4.7
- 26 ratings
- Price
- 1.99 USD
- on the App Store
- Size
- 6 MB
- Age 4+
- Updated
- Jan 10
- 2026 · v2.0.0
Screenshots
About 365 Days Calendar
The Julian Date Calendar App is a simple yet powerful tool for converting between Julian and Gregorian dates, tracking Julian Day Numbers (JDN), and managing historical or scientific date references. Whether you're working in astronomy, military operations, food production, or historical research, this app offers accurate and efficient support for daily operations, all with a user-friendly experience.
Ratings & reviews
4.7
26 ratings
What’s new
Version 2.0.0 · Updated January 10, 2026
New feature added to track events and countdown Now you can create events and make them as normal events or countdowns
App privacy
The developer, Cyberdeploy Inc., reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to 365 Days Calendar
Looking for apps like 365 Days Calendar? Here are 6 similar apps on the App Store. The highest rated is fivelevel (5.0/5), and 5 of the 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 365 Days Calendar | 4.7 / 5 (26 ratings) | 1.99 USD | January 10, 2026 | |
| Julian - Quick Dates | 4.8 / 5 (4,751) | Free | Oct 3, 2026 | Compare |
| Date Converter: Calendars | 4.4 / 5 (110) | Free | Jul 30, 2026 | Compare |
| Julianator | 4.7 / 5 (123) | 0.99 USD | Sep 18, 2025 | Compare |
| DOY | 3.0 / 5 (2) | Free | Mar 9, 2025 | Compare |
| fivelevel | 5.0 / 5 (7) | Free | May 16, 2026 | Compare |
| Pilot Time | 4.5 / 5 (19) | Free | Jun 26, 2024 | Compare |
Compare 365 Days Calendar with the top alternatives: ratings, updates, ASO score and keyword gaps →