Private Cycles vs Lotus Flo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Private Cycles
This app offers a private and secure way to track your menstrual cycle, ovulation, and fertility. It prioritizes user privacy with on-device encryption and no cloud storage. Features include detailed symptom logging, fertility insights, and pregnancy mode.
- On-device encryption
- Zero-cloud architecture
- Period and ovulation tracking
- Fertility window identification
- Pregnancy mode
- Symptom logging
- Exportable reports
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Private Cycles: Period and Ovulation Tracker Your Body. Your Data. Your Private Cycle. In an era where your most personal health information is often treated as a commodity, Private Cycles draws a line in the sand. We believe that your reproductive health data is yours alone. Designed with a privacy-first philosophy and a minimalist, premium aesthetic, Private Cycles provides a comprehensive tracking experience without the cloud, without the tracking, and without the compromise. THE PRIVACY-FIRST PROMISE Most health apps store your data on remote servers, making it vulnerable to data breaches, third-party sales, or legal requests. Private Cycles is different. Zero-Cloud Architecture: We never store your data on a server. On-Device Encryption: 100% of your logs stay encrypted on your physical device. Total Anonymity: No accounts to create, no email addresses to sync, and no profiles to build. You are a person, not a data point. COMPREHENSIVE TRACKING, REFINED Whether you are tracking a regular cycle, navigating irregular patterns, or planning a pregnancy, Private Cycles offers a professional-grade toolkit wrapped in a clean, distraction-free interface. Period and Ovulation: Effortlessly log flow intensity, symptoms, and moods. Our high-fidelity calendar provides at-a-glance clarity for your entire month. Fertility Insights: Identify your fertile window with precision using science-backed tracking methods. Pregnancy Mode: Transition seamlessly into pregnancy tracking with tailored insights and milestones as you progress toward your due date. Symptom Library: Log over 30 physical and emotional symptoms to identify recurring patterns in your health. MINIMALIST BY DESIGN Inspired by a minimalist aesthetic, Private Cycles strips away the clutter found in traditional period trackers. No pink-washed interfaces, no community forums full of noise, and no intrusive notifications. Just a sophisticated, dark-mode-optimized tool that respects your focus. KEY FEATURES AT A GLANCE: Chronological Feed: See your history exactly as it happened, with no algorithmic interference. Export Control: Generate a private, encrypted PDF or CSV report locally to share with your doctor. Smart Notifications: Discrete, customizable alerts for upcoming cycles or fertile windows. FaceID and Passcode Lock: An extra layer of biosecurity for the app itself. Join the movement of users reclaiming their digital autonomy. Experience the peace of mind that comes with knowing your health journey is for your eyes only. Terms of Use: https://privatecycles.com/terms Privacy Policy: https://privatecycles.com/privacy
Lotus Flo
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Lotus Flo is a simple and intuitive menstrual cycle tracking app designed to help users monitor their period, ovulation, and overall cycle health. It provides an easy way to log daily symptoms, track cycle patterns, and predict upcoming cycles with accuracy. With a clean and user-friendly interface, Lotus Flo helps users stay informed about their body and maintain better awareness of their menstrual health. The app focuses on privacy, simplicity, and ease of use, making cycle tracking effortless and stress-free.
Screenshots
Verdict
The clearest difference is in-app purchases: Lotus Flo at none against Private Cycles's 2. Lotus Flo also leads on update cadence (daily vs fortnightly). 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
Both are free to download. Private Cycles sells 2 in-app purchases, starting at $2.99 per month. Lotus Flo asks for nothing beyond the download.
Private Cycles ships an update fortnightly, Lotus Flo daily. Both last shipped on October 31, 2026.
| Parameter | Private Cycles | Lotus Flo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 5 MB |
| Age rating | 17+ | 17+ |
| Developer | Stephen Mummolo | Lotus Flo Inc |
In-app purchases
Private Cycles
- PrivateCycles Premium Monthly$2.991 Month
- PrivateCycles Premium Yearly$24.991 Year
Lotus Flo
No in-app purchases









