About this App
Download another app, sign up, grant access to things you do not need: many people give up on a cycle tracker before the first entry. Luna removes those steps. It is a menstrual cycle diary inside Telegram, with no separate client. 🌙
The service's main promises are a forecast based on your own data, PIN protection for records, and the ability to export or erase everything you entered at any time.
What Luna predicts
The bot builds a forecast of your next period, ovulation and fertile days. An algorithm works from your entries: the longer you keep the calendar, the more meaningful the picture of your cycle becomes.
Besides dates, you can note symptoms and mood. Over time this helps you spot patterns, for example that a headache before your period repeats every month. 📅
Privacy: what really matters
Cycle records are among the most personal data there is. That is why Luna has a PIN for protection, and the project states that your data stays with you and can be exported or deleted in one action.
- PIN code. Shields intimate records from anyone who picks up your phone.
- Export. You can take your data, for example to show a doctor.
- Deletion. All entries are erased if you decide to leave.
Even with good settings, remember that a Telegram chat is visible to anyone with access to your device. Turn on a screen lock and a passcode for the messenger itself.
89 days of Pro, then what
New users get an 89 day Pro trial. The service has a paid tier, and payment questions go to a separate /paysupport command. Check prices and terms inside the bot before you connect a payment.
The other commands are useful too: /terms opens the terms of use and /support reaches the support team. If something is unclear, start there. 💬
A library about the cycle
The project site says the service has a free library on menstrual health: more than 700 articles in 13 languages, including Russian, Ukrainian, Turkish and Kazakh. It is handy if you want to understand what cycle phases mean and why you feel different across the month.
Read such material as a reference, not as a diagnosis. Only a doctor gives you specific advice. 📚
Keeping a calendar that helps
- Mark the first day of your last period. It is the starting point for the forecast.
- Log cycles for several months in a row. A short history gives only a rough forecast.
- Record symptoms and mood. A couple of words is enough.
- Compare the forecast with how you feel. If reality differs from the calendar, trust reality.
The bot profile invites you to share the calendar with a partner. Do it only by choice, and decide for yourself which entries to share. 🤝
An important caveat
Luna is not a medical device. Forecasts are approximate, and a cycle can shift because of stress, illness, travel and medication. A calendar cannot serve as contraception.
See a doctor if periods stop for several months, your cycle changes sharply, pain is severe or bleeding is unusually heavy. Exported calendar data helps you describe the situation more precisely. 🩺
Frequently Asked Questions
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