Comparison

Flow vs Period Tracker | Mooni

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

Head to head
About

Flow

Features
Read full description

■ アプリでいつでも予約ができます。 希望のスケジュールを確認して、いつでもどこでも手軽にサロン予約。 ■ お得なクーポン アプリで使えるお得なクーポンがご利用頂けます。 ■マイページ機能 マイページでは、来店履歴や予約内容、Push通知の確認も行なえます。

About

Period Tracker | Mooni

Track your menstrual cycle, predict ovulation, and log symptoms like mood and PMS. Plan pregnancies or prevent them with fertile window insights. Your health data is kept anonymous and secure.

Highlights
  • Period cycle tracking
  • Ovulation prediction
  • Fertile window planning
  • Symptom and mood diary
  • Anonymized data protection
  • Intuitive interface
Features
Read full description

● Track your periods to help predicting the next menstruation cycle ● Plan pregnancy and track fertile days ● Note your symptoms, sexual activity, PMS, and mood in the diary ● Be sure with anonymization and protection of your data Track menstruation cycle Mooni knows about each woman's uniqueness. Symptoms, mood and stamina level depend on the cycle. Our app helps to organize personal plans. Calculate ovulation Mooni predicts and informs about the perfect time for conception. Ovulation dates are available within the app. You can plan a pregnancy or prevent it. Health control Mooni educates on physical and emotional changes during the menstruation cycle. Use a diary function to control sexual activity, PM symptoms, and mood information Anonymity and security Mooni keeps your secrets. The app is fully anonymous. Your health data is securely stored on servers protected from the third-party. Life style Mooni friendly reminds you to update information, has a convenient intuitive interface and suggests a theme change to your liking. Subscription Required Mooni requires a subscription to access all app features, including period tracking, ovulation calculation, and health insights. Subscription Details: Payment will be charged to your Apple ID account at the time of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the current period ends. Manage subscriptions and turn off auto-renewal in your Apple ID account settings. Any unused portion of a free trial, if offered, is forfeited when you purchase a subscription. For more information please visit Privacy Policy: http://moonihealth.tilda.ws/privacy Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Mooni is designed to enhance your understanding of your reproductive health and assist in family planning. It's crucial to consult with a qualified healthcare professional for personalized advice tailored to your unique circumstances. Before making any medical decisions, including fertility-related choices, seek the guidance of a doctor. Mooni is here to complement, not replace, the expertise of healthcare professionals.

Screenshots

Flow3 screens
Period Tracker | Mooni4 screens

Verdict

The call

The clearest difference is in-app purchases: Flow at none against Period Tracker | Mooni's 12. Flow also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Period Tracker | Mooni's advantage is update cadence (every 2 weeks vs every 20 months). On price 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. Period Tracker | Mooni sells 12 in-app purchases, starting at $4.99 per month. Flow asks for nothing beyond the download.

UpkeepUpdate frequency

Flow ships an update every 20 months, Period Tracker | Mooni every 2 weeks. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
Flow versus Period Tracker | Mooni: the parameters behind the verdict, then further details
ParameterFlowPeriod Tracker | Mooni
PriceFreeFree
Rating—3.9 (25 ratings) — better
Positive reviews—25.0% of reviews
Number of ratings—25 — better
Update frequencyEvery 20 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better16.0
Further details — not scored
Size23 MB115 MB
Age rating4+12+
DeveloperALLIED SYSTEM CO.,LTD.KODE LLC

In-app purchases

None

Flow

No in-app purchases

12 purchases

Period Tracker | Mooni

Subscriptions12
  • Mooni 1 month access$4.991 Month
  • Mooni 1 month access7 Days trial$9.991 Month
  • Mooni 1 month access$9.991 Month
Show 9 more
  • Mooni 6 months access$14.996 Months
  • Mooni 1 year access$19.991 Year
  • Mooni 1 year access$29.991 Year
  • Mooni 6 months access7 Days trial$29.996 Months
  • Mooni 6 months access$29.996 Months
  • Mooni 1 year access1 Month trial$35.991 Year
  • Mooni 1 year access$39.991 Year
  • Special offer for Mooni$44.991 Year
  • Mooni 1 year access7 Days trial$49.991 Year

Questions

Is Flow free?
Flow is free to download, with no in-app purchases.
Is Period Tracker | Mooni free?
Period Tracker | Mooni is free to download, with in-app purchases available.
Do Flow or Period Tracker | Mooni have ads?
Neither Flow nor Period Tracker | Mooni shows ads.
Which is updated more often, Flow or Period Tracker | Mooni?
Flow ships an update every 20 months, and Period Tracker | Mooni every 2 weeks. Most recently, Flow was updated on October 12, 2026 and Period Tracker | Mooni on September 24, 2026.

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