Diamond Period Tracker vs Flowly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diamond Period Tracker
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Your Cycle. Your Privacy. Your Diamond. Diamond is a private period tracker, period calendar, menstrual cycle tracker, ovulation tracker, and fertility tracker designed for women who value privacy, elegance, and simplicity. Track your period, predict your ovulation, monitor your fertile window, record symptoms, moods, and energy, and build a complete cycle history—all without creating an account. No sign up. No cloud. No tracking. Your data stays on your device. A BEAUTIFUL PERIOD TRACKER Diamond transforms everyday cycle tracking into a calm and premium experience. Whether you’re tracking your menstrual cycle, using it as a period diary, checking your period calendar, or monitoring your fertility window, Diamond keeps everything beautifully organized. PERIOD & MENSTRUAL CYCLE TRACKER Stay informed throughout every stage of your cycle. •Period tracker •Menstrual cycle tracker •Cycle calendar •Period calendar •Ovulation tracker •Fertility tracker •Fertile window prediction •Period prediction •Cycle prediction •Cycle length tracking •Period log •Menstrual calendar Understand your body with accurate and simple tracking. LOG YOUR DAILY SYMPTOMS Record everything that matters. •Flow intensity •Cramps •Headache •Bloating •Breast tenderness •Mood tracking •Energy tracking •Notes & reflections •Daily journal Over time, Diamond helps reveal patterns in your cycle. SMART CYCLE INSIGHTS Your personal history becomes meaningful insights. •Cycle Archive •Period history •Symptom history •Mood history •Future period predictions •Ovulation estimates •Fertility window estimates Understand how your cycle changes month after month. PRIVATE BY DESIGN Privacy isn’t a feature. It’s the foundation. Diamond never asks you to create an account. •No sign up •No email •No cloud storage •No third-party tracking •No data collection •Local storage only •Complete control of your personal information Your health data belongs to you. THE VAULT Protect your most personal notes with a secure PIN. Store private reflections, cycle notes, and personal journal entries inside your private Vault. Only you can access them. PREMIUM EXPERIENCE Designed to feel elegant every day. •Beautiful Light Mode •Luxurious Dark Mode •Clean minimalist interface •Smooth navigation •Fast performance Diamond focuses on clarity, comfort, and privacy—not clutter. WHY WOMEN CHOOSE DIAMOND •Private period tracker •Period calendar •Menstrual cycle tracker •Ovulation tracker •Fertility tracker •Symptom tracker •Mood tracker •Wellness journal •Local storage •PIN Lock •Beautiful design •No account required •No cloud •Zero tracking Download Diamond today and experience a private, elegant, and beautifully designed period tracker made for everyday cycle tracking. Diamond — Your Private Period Tracker. Privacy Policy https://sites.google.com/view/diamondperiodtracker/home Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Flowly
This app offers private period and ovulation tracking with personalized insights. It helps predict your cycle, fertile days, and symptoms with smart reminders and customizable themes. Data is stored locally for enhanced privacy.
- Period and cycle prediction
- Ovulation and fertile window forecasts
- Symptom and mood tracking
- Personalized health insights
- Smart reminders
- PDF health reports
- Customizable themes and pets
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Flowly is the private period tracker that predicts your cycle, ovulation, and fertile days with calm, beautiful insights made just for you. Track your period in seconds and let Flowly show what comes next: accurate period predictions, ovulation and fertile-window forecasts, PMS and symptom patterns, and smart reminders so nothing catches you off guard. Set up a personalized health profile in minutes and get analysis tailored to your body, not generic averages. WHAT YOU CAN DO • Log flow, symptoms, mood, and notes with a single tap • See your next period, ovulation day, and fertile window at a glance • Understand PMS and symptom trends over time • Plan for pregnancy or switch to pregnancy tracking mode • Get smart reminders before your period and fertile days • Export a personalized PDF health report to share with your doctor • Make it yours with unlimited themes and adorable pet companions • Invite a partner with a simple shared status card PRIVACY FIRST Your cycle is personal. Flowly stores your data on your device and works without an account, so your intimate health details stay with you. FLOWLY PREMIUM Unlock the full experience: cycle and ovulation predictions, deep insights and PMS analysis, PDF reports, smart notifications, and unlimited themes and pets. • Subscriptions are billed monthly or yearly through your Apple ID • Payment is charged at confirmation of purchase • Subscriptions renew automatically unless canceled at least 24 hours before the period ends • Manage or cancel anytime in your App Store account settings Start tracking with Flowly today and understand your cycle like never before. Privacy Policy: https://whatsmobileapps.com.tr/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Diamond Period Tracker and Flowly are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Diamond Period Tracker sells 2 in-app purchases, starting at $9.99 per month and Flowly sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Diamond Period Tracker | Flowly |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 11 MB | 13 MB |
| Age rating | 4+ | +4 |
| Developer | Elvin tansu Dogan | Ilayda Gulec |
In-app purchases
Diamond Period Tracker
- Monthly$9.991 Month
- Yearly$69.991 Year
Flowly
- Pro Weekly$1.997 Days
- Pro Monthly$3.991 Month
- Pro Yearly$9.991 Year







