Comparison

PeriodAI vs Lune Cycle Tracker

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

Head to head
About

PeriodAI

Features
Read full description

PeriodAI is a private period tracker, cycle calendar and ovulation tracker made to help you understand your body day by day. Track your period, menstrual cycle, ovulation, fertile window, PMS, symptoms, mood, weight, intimacy, birth control and pregnancy mode in one calm app. PeriodAI turns your daily logs into clear cycle insights, simple reminders and easy-to-read patterns for your next period, ovulation window and cycle phases. Use PeriodAI as your everyday menstruation calendar and wellness journal: - Period tracker and cycle calendar - Ovulation tracker and fertile window estimates - PMS, symptom and mood tracking - Cycle phases: menstrual, follicular, ovulation and luteal - Weight, intimacy and wellness logs - Birth control, pill and IUD support - Pregnancy mode - Daily Today view with quick logging - Cycle history, trends and recurring patterns - Private health journal experience - Partner sharing controls - Export, consent and account deletion controls - Premium insights for deeper cycle patterns Why PeriodAI? A cycle tracker should feel clear, private and easy to keep using. PeriodAI keeps the important details close: when your last period started, when your next period may arrive, how symptoms and mood change across your cycle, and which patterns are worth noticing over time. Privacy-first cycle tracking: Your period and health data are personal. PeriodAI is built around private health journaling, clear controls and respectful tracking, so you can log what matters without clutter. PeriodAI Premium: Unlock advanced cycle insights, unlimited history and deeper pattern tracking with a 7-day free trial. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Apple ID Account Settings. Questions? hello@periodai.app Privacy: https://periodai.app/privacy Terms: https://periodai.app/terms PeriodAI is not a medical device and does not diagnose, treat or prevent disease. Period predictions, ovulation estimates and fertility windows are educational estimates only. For medical concerns, contraception decisions, pregnancy questions or urgent symptoms, consult a qualified healthcare professional.

About

Lune Cycle Tracker

Features
Read full description

Lune is a simple, private period tracker designed to help you understand your cycle without compromising your health data. Log your period dates and Lune automatically predicts your next period, fertile window, and ovulation day. The more cycles you log, the more accurate the predictions become. Features: β€’ Track your menstrual cycle and predict future periods β€’ See your fertile window and estimated ovulation day β€’ Understand your cycle phase (menstrual, follicular, ovulation, luteal) β€’ Gentle reminders 2 days before your next expected period β€’ Beautiful, easy-to-read week strip showing where you are in your cycle Your privacy is the priority: Lune stores all data locally on your device only. No account required. No data is ever uploaded to a server, shared with third parties, sold, or used for advertising β€” ever. Uninstalling the app permanently deletes everything. Lune is not a medical device and does not provide medical advice. Cycle predictions are estimates based on your logged history.

Screenshots

PeriodAI4 screens
Lune Cycle Tracker2 screens

Verdict

The call

The clearest difference is in-app purchases: Lune Cycle Tracker at none against PeriodAI's 2. On price, update cadence, ads and device support 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. PeriodAI sells 2 in-app purchases, starting at $2.99 per month. Lune Cycle Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

PeriodAI ships an update every 4 days, Lune Cycle Tracker every 5 days. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard1 real difference Β· 5 level
PeriodAI versus Lune Cycle Tracker: the parameters behind the verdict, then further details
ParameterPeriodAILune Cycle Tracker
PriceFreeFree
Update frequencyEvery 4 days β€” betterEvery 5 days
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 β€” better16.4
Further details β€” not scored
Size45 MB33 MB
Age rating12+9+
Developeramira abbasChristian Ocasio

In-app purchases

2 purchases

PeriodAI

Subscriptions2
  • Monthly Plan$2.991 Month
  • Yearly Plan$17.991 Year
None

Lune Cycle Tracker

No in-app purchases

Questions

Is PeriodAI free?
PeriodAI is free to download, with in-app purchases available.
Is Lune Cycle Tracker free?
Lune Cycle Tracker is free to download, with no in-app purchases.
Do PeriodAI or Lune Cycle Tracker have ads?
Neither PeriodAI nor Lune Cycle Tracker shows ads.
Which is updated more often, PeriodAI or Lune Cycle Tracker?
PeriodAI ships an update every 4 days, and Lune Cycle Tracker every 5 days. Most recently, PeriodAI was updated on October 15, 2026 and Lune Cycle Tracker on October 11, 2026.

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