Period Tracker vs Gentle Days
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Period Tracker
This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It offers customizable themes, data privacy features, and insights into PMS symptoms and overall wellness. Plan your life with accurate predictions and a secure, personalized experience.
- Period and ovulation prediction
- Fertile window tracking
- PMS symptom logging
- Customizable themes
- Data security and privacy
- Cycle trend analysis
- Health diary
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Greetings from My Calendar – a simple but stylish period tracker for girls and women. With the support of this accurate period tracker, you can easily track period phases, and get notified before periods arrive. Pinpointing your ovulation day and fertile windows can never be easier. Learning about PMS symptoms, or monitoring hormone health – this all-in-one period calendar app can satisfy all your needs. Your well-being is important, and your menstrual journey is unique. As we value that, we have designed a variety of exquisite themes. Soothing watercolor styles, harmonious gradient colors, elegant flowery decorations, and more – You can change it at any time to suit your unique taste. Your Data, Your Choice. Our app allows you to use it without the need for registration or login. All your data is stored locally. Set an app lock and protect your privacy from inquisitive stares. Your data security is always our top priority. Key Features: Period and Ovulation Prediction and Reminders - Use the menstrual tracker to record past cycles to understand your own patterns. - Spot the timing of ovulation and your most fertile days for better family planning or period tracker birth control needs. - Customize reminder dates, times, and frequencies and receive future predictions. - Plan your life, work, and social activities accordingly for a more carefree lifestyle. PMS Symptoms and Daily Wellness Metrics - Log and track different symptoms and moods in the menstrual calendar with a built-in period mood tracker. - Gain insights into your body and emotional states and focus more on overall health. - Keep a menstrual diary as a health record that can be shared with healthcare providers. - Cultivate healthy lifestyle habits like regular weigh-ins and adequate water intake. Menstrual Cycle Trend Analysis - Track changes in cycle length and period durations in the cycle history. - Explore your patterns of period flow and symptoms in intuitive charts and reports. - Scientifically adjust your lifestyle based on intelligent analysis results. - Also works perfectly as an irregular period tracker, helping you identify trends even with unpredictable cycles. Customizable Themes - Choose from a diverse theme library based on your personal preferences. - Switch application interfaces to enjoy a fresh and pleasant user experience. Data Security & Privacy - Start using the application instantly without requiring account registration. - Store all the data on your local device. - Set a PIN to further enhance data security. - Transfer and restore data easily to prevent data loss. My Calendar is your trusted companion to guide you through each phase of life with confidence and convenience – from menstruacion to period tracker menopause. Download today and empower yourself with the best period tracker experience – one that’s not only simple and secure, but perfect for period tracker girls and even a period tracker for kids if needed.
Gentle Days
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Gentle Days is a calm, private period and cycle tracker made for women who want to understand their body without giving their data away. TRACK YOUR CYCLE Log your period start and end dates, flow intensity, and daily symptoms. Gentle Days learns your rhythm over time and predicts your next period with growing accuracy. KNOW YOUR FERTILE WINDOW See at a glance which days are safe and which days carry a higher chance of conception. The calendar is colour-coded so you always know where you are in your cycle. WEEKLY AI SUMMARY (iOS 26+) Gentle Days uses on-device Apple Intelligence to write you a warm, personalised weekly summary of your cycle — no cloud, no servers, completely private. YOUR DATA STAYS ON YOUR DEVICE No account required. No ads. No data shared with third parties. Everything is stored locally on your iPhone using Apple's secure on-device storage. Lock the app with Face ID or Touch ID. BUILT FOR EVERY STAGE Whether you're in your 20s or approaching perimenopause, Gentle Days adjusts its predictions to your age and reproductive stage for more relevant, thoughtful guidance. INSIGHTS & HISTORY View your cycle length trend over time, average cycle length, and upcoming fertile window dates — all in one beautiful, minimal view. MEDICAL DISCLAIMER Gentle Days uses the calendar method to estimate safe and fertile windows. This is not a medical device and does not replace professional medical advice or reliable contraception. Always consult a qualified healthcare professional for family planning decisions.
Screenshots
Verdict
The clearest difference is ads: Gentle Days at none against Period Tracker's shown. Gentle Days also leads on update cadence (every 11 days vs every 6 weeks). Period Tracker's advantage is iOS requirement (12.0 vs 26.0). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Period Tracker ships an update every 6 weeks, Gentle Days every 11 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.
| Parameter | Period Tracker | Gentle Days |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (151 ratings) — better | — |
| Positive reviews | 96.1% of reviews | — |
| Number of ratings | 151 — better | — |
| Update frequency | Every 6 weeks | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 43 MB | 4 MB |
| Age rating | 12+ | 4+ |
| Developer | Prutvi | Gabriel Lee |
In-app purchases
Period Tracker
No in-app purchases
Gentle Days
No in-app purchases
Questions
Is Period Tracker free?
Is Gentle Days free?
Do Period Tracker or Gentle Days have ads?
Which is updated more often, Period Tracker or Gentle Days?
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