Comparison

Luna vs CyclePrivate

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

Head to head
About

Luna

Features
Read full description

Luna is the period and fertility tracker that keeps your most personal health data exactly where it belongs โ€” on your device. No accounts. No cloud sync. No data sharing. Just intelligent, private cycle tracking powered entirely by on-device machine learning. YOUR DATA NEVER LEAVES YOUR PHONE Luna was built from the ground up with privacy as the foundation. Every prediction, every insight, every log entry is processed and stored locally. We can't see your data because it never reaches us โ€” not even anonymized. SMART PREDICTIONS, PRIVATELY POWERED Luna's on-device ML model learns your unique cycle patterns over time, delivering increasingly accurate predictions for: Period start and end dates Fertile windows and ovulation estimates PMS and symptom pattern recognition Cycle length trends and irregularities TRACK WHAT MATTERS TO YOU Daily symptom and mood logging Flow intensity and duration Basal body temperature (BBT) Cervical mucus and ovulation signs Intimacy and contraception notes DESIGNED FOR EVERY BODY Luna adapts to irregular cycles, post-hormonal transitions, perimenopause, and more. There's no "normal" cycle โ€” Luna learns yours. BUILT FOR TRUST At a time when reproductive health data has never been more sensitive, Luna takes a firm stance: what happens on your phone stays on your phone. No account required to get started. No subscription needed to unlock your own data. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Luna4 screens
CyclePrivate4 screens

Verdict

The call

The clearest difference is update cadence: CyclePrivate at every 4 days against Luna's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Luna sells 2 in-app purchases, starting at $6.99 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.

UpkeepUpdate frequency

Luna ships an update every 2 months, CyclePrivate every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard1 real difference ยท 5 level
Luna versus CyclePrivate: the parameters behind the verdict, then further details
ParameterLunaCyclePrivate
PriceFreeFree
Update frequencyEvery 2 monthsEvery 4 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.115.1
Further details โ€” not scored
Size24 MB53 MB
Age rating12+4+
DeveloperThompson Software LLCNavelo Software

In-app purchases

2 purchases

Luna

Subscriptions2
  • Monthly$6.991 Month
  • Yearly$39.991 Year
2 purchases

CyclePrivate

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

Questions

Is Luna free?
Luna is free to download, with in-app purchases available.
Is CyclePrivate free?
CyclePrivate is free to download, with in-app purchases available.
Do Luna or CyclePrivate have ads?
Neither Luna nor CyclePrivate shows ads.
Which is updated more often, Luna or CyclePrivate?
Luna ships an update every 2 months, and CyclePrivate every 4 days. Most recently, Luna was updated on October 25, 2026 and CyclePrivate on October 24, 2026.

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