Diamond Period Tracker vs CyclePrivate
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/
CyclePrivate
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Your cycle is personal. CyclePrivate keeps it that way. Built for women who want powerful cycle tracking without sacrificing privacy. No account. No signup. No login. Just open the app and start tracking immediately. PRIVATE BY DESIGN - All data stored securely and locally on your device - Face ID, Touch ID, and PIN lock protection - No account, email, or login required, ever - 100% ad-free, no data sharing, no trackers FREE CYCLE TRACKING FEATURES - Log period start and end dates in one tap - Accurate period predictions based on your cycle history - Ovulation day and fertile window calculation - Visual calendar showing past and upcoming cycles - Daily logging for basic moods and standard symptoms (cramps, bloating, fatigue, headache, etc.) - Smart local reminders (notifies you before your next period begins) CYCLEPRIVATE PREMIUM: UNLOCK DEEPER INSIGHTS Upgrade to CyclePrivate Premium to unlock advanced tools and customization to better understand your body: 1. UNLIMITED CUSTOM SYMPTOMS & TAGS Personalize your tracking! Create and log custom tags for unique symptoms, moods, medications, workouts, or notes that matter to you. 2. ADVANCED CHARTS & TREND ANALYSIS Go beyond basic tracking. Get detailed visual charts showing cycle length trends, mood patterns over time, and average cycle analytics to understand your health patterns. 3. DOCTOR-READY PDF HEALTH REPORTS Export your complete cycle, symptom, and mood history into a clean, professional PDF report. Share it directly with your doctor during visits. 4. PRIVATE PARTNER SYNCHRONIZATION Share your cycle phase, fertile window, and mood predictions with your partner securely and privately, keeping them in the loop. YOUR PRIVACY. YOUR CHOICE. We built CyclePrivate with one core belief: Your health data belongs to you. Not to advertisers. Not to cloud servers. Not to anyone else. Everything you log stays on your phone, protected by biometrics and visible only to you. SUBSCRIPTION INFORMATION: CyclePrivate Premium offers two auto-renewing subscription options: - Monthly Premium Access - Yearly Premium Access (Save 50% compared to the monthly plan) Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You can manage your subscriptions in Account Settings after purchase. Terms of Service: https://www.navelosoftware.com/projects/cycle-private/terms-and-conditions Privacy Policy: https://www.navelosoftware.com/projects/cycle-private/privacy-policy Download CyclePrivate today, your most private health companion.
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Verdict
The clearest difference is update cadence: CyclePrivate at every 4 days against Diamond Period Tracker's every 4 weeks. CyclePrivate also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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. Diamond Period Tracker sells 2 in-app purchases, starting at $9.99 per month and CyclePrivate sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Diamond Period Tracker ships an update every 4 weeks, CyclePrivate every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Diamond Period Tracker | CyclePrivate |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 11 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Elvin tansu Dogan | Navelo Software |
In-app purchases
Diamond Period Tracker
- Monthly$9.991 Month
- Yearly$69.991 Year
CyclePrivate
- Premium Monthly Access$4.991 Month
- Premium Yearly Access$29.991 Year









