Period Tracker developed by GP International LLC is a health and wellness app designed to help you monitor your menstrual cycle and understand your body's patterns. It's a straightforward tool that lets you log your period days, track symptoms, and predict your next cycle. The app launched a few years back and is available for download on both Google Play and the App Store. It has a solid number of installs, showing many users find it helpful. You can get the app for free, which is great. Once you download and install it, you don't need to register an account to start using the basic features, making it quick to set up. There are no annoying ads constantly popping up, and while the core app is free, there might be some in-app purchases if you want extra features like more detailed analysis or custom themes. Overall, it's a simple, no-fuss app to have on your phone.

Using the Period Tracker app is really intuitive. After you install it from Google Play, you just open it and input the start date of your last period. The app then calculates and shows your cycle length and predicts your next period and fertile window. I use it mainly to log daily symptoms like cramps or mood swings. A simple tip from a regular user is to enable notifications; the app can remind you a day or two before your period is due, which is super handy. You can also mark sexual activity or contraception use if you want. The calendar view is clear, and you can add notes for any day. It doesn't overcomplicate things—you just open the app, tap to log your period day, and that's it. Over time, it learns your cycle patterns and gives you more accurate predictions.

Compared to other similar period tracker apps out there, like the very popular Flo, I chose this one mainly for its simplicity. Some apps feel cluttered with too many articles, community features, or complex health insights. This Period Tracker app from GP International LLC sticks to the basics and does it well. It doesn't ask for a lot of personal data upfront. On Google Play, it's easy to find and download, and the install process is quick. For someone who just wants a reliable, private, and straightforward way to track their cycle without any fuss, this app is a great pick. It's less about social features and more about giving you a clear, personal log right on your phone.

• 📅 The core function is cycle logging and prediction. You input your period start date, and the app predicts your next period and fertile days. Compared to Clue, another popular app, this one has a simpler, more focused calendar interface that's faster to update.
• 📝 It allows detailed symptom and mood tracking. You can log cramps, headaches, energy levels, and more daily. Unlike some apps that bury this, here it's a quick tap on the calendar, which is much simpler for daily use after you install the app.
• 🔔 The app provides reminder notifications for your upcoming period or ovulation. This is a basic but crucial feature. Compared to many free apps on Google Play, the reminders here are reliable and customizable without being pushy.
• 📊 It offers a clear history view and simple charts of your cycle length and symptoms over time. While apps like Flo have more advanced charts, this app's version is perfect for a quick, at-a-glance understanding without needing a tutorial.

• 👍 Its biggest strength is simplicity and ease of use. The interface is clean and not overwhelming. Compared to other trackers that try to do too much, this app from GP International LLC is straightforward from the moment you download it.
• 👍 It respects user privacy by not forcing registration. Many similar apps require an email sign-up. Here, your data stays locally on your device, which is a significant plus for a health app.
• 👍 The prediction algorithm feels accurate over time. As you log more cycles, it adapts well. For a free app on Google Play, it provides reliable predictions that compete well with paid features of other apps.

• 👎 The design and theme options are quite basic. Compared to more modern apps, the visual experience feels a bit dated. Adding some customization would make the daily use more enjoyable.
• 👎 While the core is great, some advanced insights found in competitors are missing. For users wanting deep health analysis, they might need to look beyond this app after they install it.