Comparison

Flowy vs Luna 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

Flowy

Features
Read full description

Flowy is a private, thoughtfully designed period and cycle tracker that helps you understand your rhythm without turning your body into a dashboard. TRACK YOUR CYCLE β€’ Log period flow, symptoms, mood, energy, sleep, and more β€’ View your cycle history in a clear calendar β€’ See thoughtful estimates based on the information you choose to share β€’ Add or update a daily log in seconds YOUR DATA, YOUR CONTROL β€’ Optional Apple Health integration β€’ Export your information whenever you want β€’ Delete health data or your entire account from inside the app β€’ Privacy-first account and storage design A CALMER EXPERIENCE Flowy uses a warm, uncluttered design that makes daily check-ins feel simple and supportive. It is built for body awarenessβ€”not judgment, pressure, or information overload. FLOWY PREMIUM Unlock the complete tracking experience with a monthly or yearly subscription. Available plans and trial eligibility are shown before purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel in your App Store account settings. Important: Cycle and fertile-window estimates are informational only. Flowy is not a medical device, does not provide medical advice, and should not be used as contraception. Always consult a qualified healthcare professional about medical concerns. Privacy Policy: https://www.flowyhealth.com/privacy Terms of Use: https://www.flowyhealth.com/terms

About

Luna Cycle Tracker

Read full description

Luna Cycle Tracker is a focused, private way to record your menstrual cycle and stay prepared. With Luna you can: β€’ Record period start and end dates in a simple calendar β€’ See estimated cycle phases and your next period date based on your history β€’ Receive optional reminders for estimated fertile-window, ovulation, luteal-phase, and next-period timing β€’ See your recent cycle history at a glance β€’ Sync the period records you choose to Apple Health β€’ Use Luna in English or Simplified Chinese β€’ Request account deletion directly in the app Privacy is built into Luna. Period dates are encrypted on your device before they are sent to the Luna server. Apple Health sync is optional and write-only: Luna does not read data from Apple Health or upload Apple Health data to the Luna server. Cycle phases and dates shown by Luna are estimates based on the period history you record. Luna is intended for personal cycle awareness and is not a medical device. It does not provide diagnosis, treatment, contraception, or medical advice.

Screenshots

Flowy4 screens
Luna Cycle Tracker3 screens

Verdict

The call

The clearest difference is in-app purchases: Luna Cycle Tracker at none against Flowy's 2. Luna Cycle Tracker also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement 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. Flowy sells 2 in-app purchases, starting at $4.99 per month. Luna Cycle Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

Flowy ships an update monthly, Luna Cycle Tracker weekly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Β· 4 level
Flowy versus Luna Cycle Tracker: the parameters behind the verdict, then further details
ParameterFlowyLuna Cycle Tracker
PriceFreeFree
Update frequencyMonthlyWeekly β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.415.0 β€” better
Further details β€” not scored
Size74 MB19 MB
Age rating12+4+
DeveloperRohit GuptaGong Qiao

In-app purchases

2 purchases

Flowy

Subscriptions2
  • Flowy Monthly3 Days trial$4.991 Month
  • Flowy Yearly7 Days trial$44.991 Year
None

Luna Cycle Tracker

No in-app purchases

Questions

Is Flowy free?
Flowy is free to download, with in-app purchases available.
Is Luna Cycle Tracker free?
Luna Cycle Tracker is free to download, with no in-app purchases.
Do Flowy or Luna Cycle Tracker have ads?
Neither Flowy nor Luna Cycle Tracker shows ads.
Which is updated more often, Flowy or Luna Cycle Tracker?
Flowy ships an update monthly, and Luna Cycle Tracker weekly. Most recently, Flowy was updated on November 9, 2026 and Luna Cycle Tracker on October 31, 2026.

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