Synca vs CyclePrivate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Synca
This app uses AI to help you plan your daily tasks and activities around your menstrual cycle. It provides personalized insights and suggestions for energy, focus, and mood based on your current cycle phase. Optimize your productivity and well-being by working with your body's natural rhythms.
- AI-powered cycle-aware task planning
- Personalized daily insights based on cycle phase
- Four cycle phases with identified strengths
- Smart calendar with energy-based event tagging
- Quick daily mood and energy tracking
- Phase-matched workout and meal suggestions
- Private data storage on device
Read full descriptionHide full description
Synca helps you plan your days around your menstrual cycle, not against it. Powered by AI and backed by science. Your hormones affect your energy, focus, and mood every single day. Synca reads your cycle phase and tells you when to push hard, when to communicate, and when to rest. Stop guessing why some days feel harder than others. CYCLE-AWARE PLANNING Brain dump your tasks — Synca's AI sorts them into your day based on your current cycle phase and energy levels. The right task, at the right time, in the right phase. 4 PHASES, 4 SUPERPOWERS Menstrual, follicular, ovulatory, luteal — each phase brings different strengths. Synca color-codes your entire month so you always know what's coming and how to prepare. AI DAILY INSIGHTS Every morning, get a personalized insight based on where you are in your cycle. What to expect, what to prioritize, and how to make the most of your day. SMART CALENDAR Your events tagged with cycle-aware energy badges — "Peak performance", "Go gentle", "Deep focus." See your schedule through the lens of your biology. TRACK IN 10 SECONDS Log your mood, energy, and symptoms with a quick daily check-in. The more you track, the smarter Synca gets. MOVE & NOURISH Workout and meal suggestions matched to your phase. HIIT when you peak. Yoga when you rest. Iron-rich foods during menstrual. Complex carbs in luteal. Science-backed, not generic. PREDICTIONS THAT LEARN Period predictions, cycle trends, and personal patterns and all getting smarter with every cycle you complete. PRIVATE BY DESIGN All health data is stored locally on your device. No account required to get started. No data sold. No third-party trackers. Your body, your data. Built by a woman, for women. Synca exists because your productivity tools should understand your biology. Full access available with a 1 month free trial subscription. Terms of Use: https://hellosynca.co/terms
CyclePrivate
Read full descriptionHide full description
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.
Screenshots
Verdict
The clearest difference is update cadence: CyclePrivate at every 4 days against Synca's every 2 weeks. CyclePrivate also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases 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. Synca sells 2 in-app purchases, starting at $4.99 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.
Synca ships an update every 2 weeks, CyclePrivate every 4 days. Both last shipped on October 31, 2026.
| Parameter | Synca | CyclePrivate |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 25 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Burcu Ibicioglu | Navelo Software |
In-app purchases
Synca
- Synca AI$4.991 Month
- Synca AI7 Days trial$24.991 Year
CyclePrivate
- Premium Monthly Access$4.991 Month
- Premium Yearly Access$29.991 Year








