Cycle vs Luna
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Cycle
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Cycle is a private period tracker and menstrual calendar for people who want a simple record of what actually happened, without guesses about what comes next. Log period start and end dates, flow, mood, symptoms, notes, sex, contraception, and basal body temperature. Review your cycle history and patterns over time. Your data stays on your Apple device unless you choose private iCloud sync. Cycle does not predict future periods, ovulation, fertile windows, pregnancy, or medical conditions. It is a private diary of the information you record. SIMPLE PERIOD AND CYCLE LOGGING β’ Log when a period starts or ends in seconds. β’ See recorded period days in a clear menstrual calendar. β’ Add or correct past dates at any time. β’ Use the application comfortably with one hand. β’ Keep the most recent 30 days of history in the free version. DETAILED DAILY DIARY Premium members can record: β’ Flow, including spotting, light, medium, and heavy. β’ Mood and energy. β’ Physical symptoms, sex related symptoms, discharge, and custom symptoms. β’ Sex and contraception. β’ Basal body temperature. β’ Private notes. SEE YOUR REAL PATTERNS Cycle turns your recorded history into clear summaries. Review logged periods, completed periods, average period length, cycle length, period length, and historical entries. Insights are based only on the information you entered. PRIVACY BY DESIGN β’ No account, email address, or sign up. β’ No advertising. β’ No analytics or telemetry. β’ No third party tracking SDKs. β’ Your information stays on your device by default. β’ Optional iCloud sync uses your private Apple account. β’ Export your data as CSV, JSON, or PDF. β’ Erase everything from inside the application. EXTRA PRIVACY CONTROLS Premium includes Face ID, Touch ID, or PIN protection. Decoy mode can open a private calculator and notes screen instead of showing cycle information. Discreet alternate icons help the application blend into your Home Screen. PREMIUM OPTIONS Choose monthly, yearly, or lifetime access. Monthly and yearly subscriptions include a two month free trial when offered by the App Store. Premium unlocks unlimited history, detailed daily logging, insights, app lock, decoy mode, alternate icons, themes, widgets, export, and iCloud sync. Your data remains untouched if a subscription ends. Cycle is a general wellness diary. It does not provide medical advice, diagnosis, treatment, contraception, or fertility guidance. Ask a qualified healthcare professional about personal health concerns. SUBSCRIPTION TERMS Subscriptions renew automatically unless canceled at least 24 hours before the end of the current billing period. Manage or cancel a subscription in your Apple account settings. Privacy Policy: https://cycle.soumik.xyz Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Luna
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Luna is the period and fertility tracker that keeps your most personal health data exactly where it belongs β 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 β 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 β 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/
Screenshots
Verdict
The clearest difference is iOS requirement: Luna at 15.1 against Cycle's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Cycle sells 3 in-app purchases, starting at $1.99 per month and Luna sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.
| Parameter | Cycle | Luna |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 5 MB | 24 MB |
| Age rating | 12+ | 12+ |
| Developer | Sadman Kabir Soumik | Thompson Software LLC |
In-app purchases
Cycle
- Cycle Premium (Monthly)2 Months trial$1.991 Month
- Cycle Premium (Yearly)2 Months trial$14.991 Year
- Cycle Premium (Lifetime)$39.99
Luna
- Monthly$6.991 Month
- Yearly$39.991 Year









