Period Tracker vs MoonFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Period Tracker
This app helps you track your menstrual cycle, ovulation, and fertility. It offers personalized insights for managing conditions like PCOS and endometriosis, and supports those trying to conceive. Your data is kept private with password protection and no account is required.
- Menstrual cycle and flow tracking
- Ovulation and fertile window prediction
- Symptom and mood logging
- Pill and birth control reminders
- Personalized cycle predictions
- Conception support tools
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Whether you're tracking your period, trying to conceive (TTC), managing PCOS or endometriosis, or simply wanting to understand your body better — this app gives you the tools to take charge of your cycle, privately and securely. ⌘ PRIVATE BY DESIGN Your health data is deeply personal. Period Tracker includes a password-locked calendar so your cycle history, symptoms, and logs stay completely private. No account required. No data sold to advertisers. ⌘ WHAT YOU CAN TRACK Menstrual flow and cycle length Ovulation day and fertile window Cervical mucus and basal body temperature (BBT) Mood, energy, PMS symptoms Weight, BMI, and sexual activity Birth control and pill reminders ⌘ BUILT FOR REAL CYCLES Irregular cycles? No problem. Whether you have PCOS, endometriosis, or simply unpredictable periods, Period Tracker adapts its predictions to your unique cycle history — not a textbook average. ⌘ TRYING TO CONCEIVE? Pinpoint your fertile days, track your luteal phase and follicular phase, and get daily pregnancy chance insights. Designed for women on a TTC journey who want data, not guesswork. ⌘ SMART REMINDERS Set personalized reminders for your next period, PMS, ovulation, and birth control. Get alerts when your cycle changes unexpectedly.
MoonFlow
This app helps you track your menstrual cycle, ovulation, and pregnancy with a focus on privacy. It offers accurate predictions, daily logging of symptoms, and a pregnancy mode. All your data is stored locally on your device, ensuring it's never shared or sold.
- Accurate period and ovulation predictions
- Daily symptom and mood logging
- Pregnancy mode with week-by-week development
- 100% offline data storage
- App lock with PIN or biometrics
- Stealth mode for calculator disguise
- Data export to file
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MoonFlow is the privacy-first period and pregnancy tracker designed to be simple, beautiful, and 100% trustworthy. Track your menstrual cycle, ovulation, and pregnancy journey without compromising your privacy. No accounts. No ads. No data harvesting. Just you and your flow. Whether you are tracking your period, trying to conceive, or following your pregnancy week-by-week, MoonFlow adapts to your body's changing needs. COMPLETE CYCLE TRACKING Understand your body better with a modern, elegant dashboard. - Accurate Predictions: Know exactly when your next period, ovulation day, and fertile window will start based on your history. - Sexy Calendar: A visually stunning monthly view with color-coded days for period, fertility, and ovulation. - Daily Logging: Track flow intensity (light, medium, heavy, disaster), spotting, cervical mucus, and more. - Symptom & Mood Tracker: Log PMS symptoms, mood swings, energy levels, and intimacy to discover patterns in your health. - Intimacy Logging: Track protected/unprotected sex to help with family planning or contraception awareness. PREGNANCY MODE Switch seamlessly to Pregnancy Mode and watch your baby grow. - Week-by-Week Development: Track your baby’s size and gestational age with beautiful visuals. - Due Date Countdown: Know exactly how many days are left until you meet your little one. - Trimester Tracking: See which trimester you are in and what to expect. - Smart "Late" Detection: If you're trying to conceive and your period is late, MoonFlow intelligently suggests switching modes. PRIVACY-FIRST (SERIOUSLY) In a world where apps sell your health data, MoonFlow is a safe haven. - No Account Required: Start using the app instantly. We don't ask for your email, phone number, or social login. - 100% Offline: Your data lives on your phone, not in the cloud. We cannot see, sell, or share your health information because we don't have it. - App Lock: Secure the app with your biometric face ID, fingerprint, or a PIN code. STEALTH MODE Need extra discretion? - Calculator Disguise: Enable Stealth Mode to turn the MoonFlow icon into a functional calculator. - Hidden Entry: The app only opens when you enter your secret PIN code. To everyone else, it's just a calculator. - Discreet Notifications: Reminders are silenced or masked to protect your privacy. INSIGHTS & REMINDERS - Smart Notifications: Get reminders for your coming period, fertile window, or daily log—only if you want them. - Cycle History: View all your past cycles and averages in one place. - Data Export: You own your data. Export your entire history to a file for backup or to share with your doctor. MOONFLOW PREMIUM MoonFlow is free to use forever. Premium unlocks: • Advanced Analytics: Dive deeper with detailed charts and trend insights. • Weight Tracking: Set goals, view progress, and visualize history with smart charts. • Cycle Tips: Daily lifestyle tips for energy, workouts, and nutrition to match your rhythm. • Medication Reminders: Custom schedules for vitamins, supplements, and birth control. • Partner Forecast: Share your estimated timeline for better planning together. • PDF Reports: Export your complete cycle and wellness logs for personal backup. • Home Screen Widgets: See your cycle status at a quick glance. • Custom Themes: Personalize your journal with premium styles and app icons. Why choose MoonFlow? Most period trackers are cluttered with ads, social networks, and confusing interfaces. MoonFlow is different. We believe your health data belongs to you. We built a tracker that is calm, private, and powerful. Download MoonFlow today and sync with your cycle, securely. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Period Tracker at 5.0 against MoonFlow's 1.0. Period Tracker also leads on ratings volume (5 vs 1). MoonFlow's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Period Tracker sells 3 in-app purchases, starting at $4.99 per month and MoonFlow sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Period Tracker holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Period Tracker has 5 ratings behind it against 1, so its average is the more settled of the two.
Period Tracker ships an update every 9 days, MoonFlow fortnightly. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.
| Parameter | Period Tracker | MoonFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 200 MB | 176 MB |
| Age rating | 17+ | 12+ |
| Developer | Hafiz Muhammad Talha | Tarik Murat Islam |
Customer experience
Period Tracker
MoonFlow
In-app purchases
Period Tracker
- Monthly$4.991 Month
- 6 Months$23.956 Months
- Yearly3 Days trial$35.901 Year
MoonFlow
- Monthly Premium3 Days trial$3.991 Month
- Annual Premium7 Days trial$29.991 Year
- Lifetime Access$79.99
Questions
Is Period Tracker free?
Is MoonFlow free?
Which has better reviews, Period Tracker or MoonFlow?
Do Period Tracker or MoonFlow have ads?
Which is updated more often, Period Tracker or MoonFlow?
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