Lune Line Cycle Tracker vs Herflow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lune Line Cycle Tracker
Easily log your menstrual cycle, receive updated predictions, and get gentle reminders to stay prepared. This private tracker helps reduce the monthly mental load. It is not a medical device and should not be used for contraception.
- Track period dates
- View cycle stage
- Predict upcoming periods
- Receive period reminders
- Optional PIN for privacy
- Browse period care essentials
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Lune Line is a private space for tracking your cycle and sharing what matters with people you trust. Log your period, follow updated predictions, and stay prepared with timely reminders. When you choose to connect with a partner, you can securely share your calendar, view calendars shared with you, and chat in one place. What you can do: • Track period dates • See your cycle day and estimated cycle stage • View predicted upcoming period dates that update as you log • Get reminders before your expected period and a check-in if you haven’t logged it • Share your calendar with people you choose • View calendars shared with you • Chat privately with connected partners • Manage sharing and access at any time • Add an optional PIN to protect access on your device Optional shop: • Browse period care, hygiene, comfort, and relationship products for individuals and couples Important: Lune Line provides tracking tools and cycle estimates. It does not provide medical advice and should not be used for contraception or pregnancy prevention. If you have health concerns, consult a qualified healthcare professional.
Herflow
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HerFlow – Your Smart Period & Cycle Tracker HerFlow helps you track your period, predict ovulation, and understand your menstrual cycle with a simple and beautiful calendar. Designed for women who want accurate cycle predictions and better health insights. Track Your Cycle Easily Log your period in seconds See upcoming periods instantly Smart menstrual calendar Ovulation & Fertility Prediction Predict fertile days Plan pregnancy or avoid surprises Accurate cycle predictions Understand Your Body Track mood & symptoms PMS insights Cycle health trends Private & Secure Your health data stays private and secure on your device. Perfect for Women tracking their period Cycle & ovulation tracking Fertility awareness Download HerFlow and take control of your cycle today.
Screenshots
Verdict
The clearest difference is update cadence: Herflow at daily against Lune Line Cycle Tracker's every 5 days. Lune Line Cycle Tracker's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Lune Line Cycle Tracker ships an update every 5 days, Herflow daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Lune Line Cycle Tracker | Herflow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 75 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | Sexology Systems LLC | RUEBEN ANSOLIWEN AKANKOBATENG |
In-app purchases
Lune Line Cycle Tracker
No in-app purchases
Herflow
No in-app purchases









