Cuo: Period & Saju
JEONG EUN HYEON Health & Fitness iPhoneiPadiPod touch
Cuo: Period & Saju is a free Health & Fitness app for iPhone and iPad by JEONG EUN HYEON. Requires iOS 15.0. Updated October 11, 2026.
- Price
- Free
- on the App Store
- Size
- 114 MB
- Age 4+
- Updated
- Oct 11
- 2026 · v1.6.13
Screenshots
About Cuo: Period & Saju
Cuo is a simple and easy to use period tracking app designed to help you manage your menstrual cycle and understand your body rhythm. By recording your monthly period dates you can view estimated upcoming periods and ovulation days while keeping track of your personal cycle pattern. With Cuo you can check your cycle information at a glance through a clear and intuitive calendar. The visual calendar layout helps you understand your monthly cycle flow and stay aware of important days and body changes. It is helpful when planning daily activities travel schedules or simply monitoring your body rhythm. Menstrual cycles can vary from month to month and many people experience physical or emotional changes throughout the cycle. By continuing to record your cycle you can gradually understand patterns in your own rhythm. Cuo provides a convenient way to keep these records without complicated settings or difficult steps. In addition to period tracking Cuo also includes light lifestyle content such as compatibility checks and daily horoscope features. These features add a small element of fun to everyday use while you manage your cycle. The compatibility feature allows you to check compatibility with someone you are interested in. It can be used casually for fun and curiosity in relationships or friendships. The simple interface allows you to check results quickly without complicated settings. The daily horoscope feature provides a quick fortune check you can view anytime during the day. Many users enjoy checking their daily fortune in the morning or during relaxing moments in the evening. Main Features Period cycle tracking Next period prediction Ovulation day estimation Calendar based cycle management Compatibility check Daily horoscope Cuo is designed for users who want a simple period tracker with additional lifestyle content. By continuing your daily records you can better understand your body rhythm and cycle patterns while enjoying small features that make the app more engaging. 이용약관 (Terms of Use, EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 개인정보처리방침 (Privacy Policy): https://api.cuoapp.com/privacy?locale=en
What’s new
Version 1.6.13 · Updated October 11, 2026
Updated ad and login components to the latest versions Improved app stability
App privacy
The developer, JEONG EUN HYEON, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Health & Fitness: Health
- Identifiers: User ID
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data
Used for: Product Personalization
Alternatives to Cuo: Period & Saju
Looking for apps like Cuo: Period & Saju? Here are 6 similar apps on the App Store. The highest rated is Thatday-심플한 생리주기 어플 (5.0/5), and all 6 are free to download.
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MomoCalendar
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Thatday-심플한 생리주기 어플
5.0
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Forecast: Cycle Syncing
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Marea: Menopause Tracker
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달달 - 생리주기 관리
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Mirideum - Period Tracker
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Cuo: Period & Saju | – | Free | October 11, 2026 | |
| MomoCalendar | – | Free | Sep 29, 2026 | Compare |
| Thatday-심플한 생리주기 어플 | 5.0 / 5 (7) | Free | May 14, 2026 | Compare |
| Forecast: Cycle Syncing | – | Free | Jul 18, 2026 | Compare |
| Marea: Menopause Tracker | – | Free | Jun 3, 2026 | Compare |
| 달달 - 생리주기 관리 | – | Free | Sep 18, 2026 | Compare |
| Mirideum - Period Tracker | – | Free | Jun 11, 2026 | Compare |
Compare Cuo: Period & Saju with the top alternatives: ratings, updates, ASO score and keyword gaps →