Comparison

Flow State Cycle vs CyclePrivate

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Flow State Cycle

This private period tracker logs your cycle with a single tap and uses your data for smart predictions. It offers symptom and mood tracking, cycle insights, and doctor-ready reports. Your health data stays on your device, ensuring complete privacy.

Highlights
  • Smart cycle predictions
  • Symptom and mood logging
  • Cycle insights and patterns
  • Doctor-ready PDF reports
  • Health ecosystem sync
  • CSV data export
  • Dark mode support
Features
Read full description

Flow State is a private, local-first period tracker that keeps your health data on your device — no account required, no cloud, no tracking. Log your period with a single tap. Flow State learns your unique cycle and predicts your next period using your own data, not assumptions. FEATURES • Smart predictions — weighted rolling average based on your cycle history, not a generic 28-day guess • Symptom and mood tracking — log cramps, headache, fatigue, mood changes, and more • Cycle insights — flow intensity patterns, symptom frequency, mood distribution, and correlations • Doctor-ready PDF report — share a clean summary with your healthcare provider • Apple Health and Google Health Connect sync — read and write menstrual data across your health ecosystem • Curated essentials — helpful products for each phase of your cycle • Dark mode — full light, dark, and system theme support • CSV export — download your complete cycle history anytime PRIVACY FIRST Your data never leaves your device. No account, no servers, no analytics, no ads. Period.

About

CyclePrivate

Features
Read 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

Flow State Cycle4 screens
CyclePrivate4 screens

Verdict

The call

The clearest difference is in-app purchases: Flow State Cycle at none against CyclePrivate's 2. CyclePrivate's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CyclePrivate sells 2 in-app purchases, starting at $4.99 per month. Flow State Cycle asks for nothing beyond the download.

UpkeepUpdate frequency

Flow State Cycle ships an update every 3 weeks, CyclePrivate daily. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
Flow State Cycle versus CyclePrivate: the parameters behind the verdict, then further details
ParameterFlow State CycleCyclePrivate
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.1
Further details — not scored
Size33 MB50 MB
Age rating4+4+
DeveloperBrett EastNavelo Software

In-app purchases

None

Flow State Cycle

No in-app purchases

2 purchases

CyclePrivate

Subscriptions2
  • Premium Monthly Access$4.991 Month
  • Premium Yearly Access$29.991 Year

Questions

Is Flow State Cycle free?
Flow State Cycle is free to download, with no in-app purchases.
Is CyclePrivate free?
CyclePrivate is free to download, with in-app purchases available.
Do Flow State Cycle or CyclePrivate have ads?
Neither Flow State Cycle nor CyclePrivate shows ads.
Which is updated more often, Flow State Cycle or CyclePrivate?
Flow State Cycle ships an update every 3 weeks, and CyclePrivate daily. Most recently, Flow State Cycle was updated on October 5, 2026 and CyclePrivate on October 15, 2026.

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