Comparison

Lune Line Cycle Tracker vs Herflow

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

Head to head
About

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.

Highlights
  • Track period dates
  • View cycle stage
  • Predict upcoming periods
  • Receive period reminders
  • Optional PIN for privacy
  • Browse period care essentials
Features
Read full description

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.

About

Herflow

Features
Read full description

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

Lune Line Cycle Tracker4 screens
Herflow4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
Lune Line Cycle Tracker versus Herflow: the parameters behind the verdict, then further details
ParameterLune Line Cycle TrackerHerflow
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 daysDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size75 MB9 MB
Age rating17+4+
DeveloperSexology Systems LLCRUEBEN ANSOLIWEN AKANKOBATENG

In-app purchases

None

Lune Line Cycle Tracker

No in-app purchases

None

Herflow

No in-app purchases

Questions

Is Lune Line Cycle Tracker free?
Lune Line Cycle Tracker is free to download, with no in-app purchases.
Is Herflow free?
Herflow is free to download, with no in-app purchases.
Do Lune Line Cycle Tracker or Herflow have ads?
Neither Lune Line Cycle Tracker nor Herflow shows ads.
Which is updated more often, Lune Line Cycle Tracker or Herflow?
Lune Line Cycle Tracker ships an update every 5 days, and Herflow daily. Most recently, Lune Line Cycle Tracker was updated on October 30, 2026 and Herflow on October 31, 2026.

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