Simpluna: Menstrual Calendar (Period Helper)
Omoidasu, Inc. Health & Fitness In-app purchases
A simple menstrual calendar to easily track and manage your menstrual cycle.
- Rating
- 4.5
- 2.2K ratings
- Downloads
- 121K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Sep 27
- 2026 · v4.7.3
Screenshots
About Simpluna: Menstrual Calendar (Period Helper)
There is only one function. When you enter your period date, the next period date is predicted and displayed on the calendar. It doesn't tell you when you're ovulating, when you're likely to get pregnant, and it doesn't show you the best time to lose weight. It simply tells you when your period is due.
Simpluna is an app for recording and predicting menstrual days. Launch the app to display a calendar where you can check your next predicted menstrual period and past menstrual days at a glance. Simpluna has an extremely simplified design, eliminating all unnecessary features to ensure it does not interfere with your daily life.
Features:
・Simple and easy to use. To input your period days, just tap a date on the calendar and select the start or end button. No need to learn the app. You'll know how to use it instinctively.
・Leave notes on the calendar's dates. You can keep track of your physical condition or state using the memo feature.
・Get notifications when your next predicted period is approaching. You can also specify when or how many days in advance you'll be notified.
・Record your past periods. You can record menstrual periods up to one year before starting the app.
・Predict your periods up to one year ahead. You can take note of your future periods and check them with the forecast calendar feature.
・Also functions offline or under poor internet conditions.
・All features are free. No ads nor promotional material.
Please note that this app does not have the following features:
・Ovulation Days Management
・Weight/Temperature Recording
・Pill Reminders
Simpluna is an app for recording and predicting menstrual days. Launch the app to display a calendar where you can check your next predicted menstrual period and past menstrual days at a glance. Simpluna has an extremely simplified design, eliminating all unnecessary features to ensure it does not interfere with your daily life.
Features:
・Simple and easy to use. To input your period days, just tap a date on the calendar and select the start or end button. No need to learn the app. You'll know how to use it instinctively.
・Leave notes on the calendar's dates. You can keep track of your physical condition or state using the memo feature.
・Get notifications when your next predicted period is approaching. You can also specify when or how many days in advance you'll be notified.
・Record your past periods. You can record menstrual periods up to one year before starting the app.
・Predict your periods up to one year ahead. You can take note of your future periods and check them with the forecast calendar feature.
・Also functions offline or under poor internet conditions.
・All features are free. No ads nor promotional material.
Please note that this app does not have the following features:
・Ovulation Days Management
・Weight/Temperature Recording
・Pill Reminders
What’s new
Version 4.7.3 · Updated September 27, 2026
- You can now edit records from the list - Improved numeric settings for custom fields
Alternatives to Simpluna: Menstrual Calendar (Period Helper)
Looking for apps like Simpluna: Menstrual Calendar (Period Helper)? Here are 6 similar Android apps on Google Play. The highest rated is WomanLog Pro Calendar (4.7/5), and 4 of the 6 are free to download.
-
WomanLog Pro Calendar 4.7
-
LADYTIMER Period Tracker 4.5
-
DaysyDay - Period Tracker 3.5
-
Orchyd - Track Your Period 4.6
-
My Health And Period Tracker
-
Period Tracker Petal, Period & 4.6
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Simpluna: Menstrual Calendar (Period Helper) | 4.5 / 5 | Free | 100,000+ | Sep 27, 2026 | |
| WomanLog Pro Calendar | 4.7 / 5 | 2.99 USD | 100,000+ | Sep 3, 2026 | Compare |
| LADYTIMER Period Tracker | 4.5 / 5 | 3.99 USD | 1,000+ | May 8, 2020 | Compare |
| DaysyDay - Period Tracker | 3.5 / 5 | Free | 50,000+ | Aug 26, 2026 | Compare |
| Orchyd - Track Your Period | 4.6 / 5 | Free | 100+ | Aug 31, 2022 | Compare |
| My Health And Period Tracker | – | Free | 5,000+ | Aug 30, 2022 | Compare |
| Period Tracker Petal, Period & | 4.6 / 5 | Free | 1,000,000+ | Dec 26, 2018 | Compare |
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