Comparison

Lune Line Cycle Tracker vs Sync Period

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 Cycle and Period tracker designed to reduce the monthly mental load. Log your period easily, get updated predictions, and stay prepared with gentle reminders. What you can do: • Track period dates • See your cycle day and estimated cycle stage • View predicted upcoming period dates (updates as you log) • Get reminders before your period – plus a nudge if you forgot to log the start • Add an optional PIN to help keep your tracking private on your device Optional shop: • Browse curated period care, hygiene, and comfort essentials for her, him, and couples Important: Lune Line provides tracking tools and estimates. It is not medical advice and should not be used for contraception or pregnancy prevention. If you have health concerns, consult a qualified healthcare professional.

About

Sync Period

This health app offers a simple and intuitive way to monitor your menstrual cycles. It allows you to log periods, emotions, symptoms, and energy levels, providing insights and reminders for your next cycle. Personalized notes and a monthly calendar view help you stay informed about your reproductive health.

Highlights
  • Period tracking
  • Symptom logging
  • Emotion tracking
  • Energy level logging
  • Cycle insights
  • Period reminders
  • Notes and calendar view
Read full description

Minimal, clean, thoughtful health app - Easily Track Your Periods - Log Period, Emotions, Symptoms, Energy - Current Cycle Info - Write Personalized Notes - Stats & Monthly Calendar View - Next Period Estimate - Next Period Reminder Notification Any questions or feedback? Reach out at startinjune.apps@gmail.com Privacy Policy & Terms https://startinjune-apps.github.io/syncperiod/privacy https://startinjune-apps.github.io/syncperiod/terms

Screenshots

Lune Line Cycle Tracker4 screens
Sync Period3 screens

Verdict

The call

The clearest difference is update cadence: Lune Line Cycle Tracker at daily against Sync Period's monthly. Lune Line Cycle Tracker also leads on iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Lune Line Cycle Tracker against 5.0 for Sync Period. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Lune Line Cycle Tracker ships an update daily, Sync Period monthly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 7 level
Lune Line Cycle Tracker versus Sync Period: the parameters behind the verdict, then further details
ParameterLune Line Cycle TrackerSync Period
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyDaily — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size57 MB6 MB
Age rating17+4+
DeveloperSEXOLOGY SYSTEMS LLCStart in June LLC

In-app purchases

None

Lune Line Cycle Tracker

No in-app purchases

None

Sync Period

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 Sync Period free?
Sync Period is free to download, with no in-app purchases.
Which has better reviews, Lune Line Cycle Tracker or Sync Period?
Lune Line Cycle Tracker and Sync Period are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Lune Line Cycle Tracker or Sync Period have ads?
Neither Lune Line Cycle Tracker nor Sync Period shows ads.
Which is updated more often, Lune Line Cycle Tracker or Sync Period?
Lune Line Cycle Tracker ships an update daily, and Sync Period monthly. Most recently, Lune Line Cycle Tracker was updated on October 5, 2026 and Sync Period on October 7, 2026.

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