Cycle vs Full Moon Flow
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/
Full Moon Flow
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Your cycle, your data, your device. Full Moon Flow is a simple, private period tracker that keeps all your data on your device. No accounts, no cloud sync, no tracking. Just open the app, tap a day, and log your flow. What it does: β’ Log your daily flow intensity (spotting, light, medium, heavy) on a clean monthly calendar β’ Log your mood if desired, track patterns over time to see how your cycle affects your mood. β’ See your cycle history at a glance- period duration and cycle length for each past cycle β’ View averages and trends- know your typical cycle length and how it's changing over time β’ Get a gentle estimate of when your next period might start, based on your own history β’ Export your data as a CSV file anytime. It's your data, you control it. What it doesn't do: β’ No accounts to create β’ No data sent to any server ever β’ No ads, no analytics, no tracking β’ No fertility or ovulation predictions β’ No notifications (yet) Privacy first. Full Moon Flow was designed from the ground up to keep your menstrual health data completely private. Everything is stored locally on your device in an encrypted database. Nothing is transmitted over the internet. When you delete the app, your data is gone, because it was never anywhere else. Simple by design. No cluttered dashboards, no gamification, no social features. Just a calm, clean interface that helps you understand your cycle without the noise.
Screenshots
Verdict
The clearest difference is in-app purchases: Full Moon Flow at none against Cycle's 3. Full Moon Flow also leads on update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement 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. Full Moon Flow asks for nothing beyond the download.
Cycle ships an update every 2 months, Full Moon Flow every 9 days. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.
| Parameter | Cycle | Full Moon Flow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 9 days β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 β better |
| Further details β not scored | ||
| Size | 5 MB | 52 MB |
| Age rating | 12+ | 4+ |
| Developer | Sadman Kabir Soumik | Daniel Delellis |
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
Full Moon Flow
No in-app purchases









