Comparison

Simple Cycle vs Flowna

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

Head to head
About

Simple Cycle

This private period tracker keeps all your sensitive health data securely on your device. Log your cycle, track symptoms, and receive accurate predictions without any cloud syncing or account creation. Enjoy a simple, secure, and private experience for managing your menstrual health.

Highlights
  • Local-only data storage
  • Cycle calendar with fertile window indicator
  • Smart predictions based on logs
  • Quick logging for flow, cramps, mood
  • Face ID/Touch ID app lock
  • CSV data export
  • One-time purchase
Read full description

Your cycle. Your business. Simple Cycle is a private period tracker for keeping useful records without accounts, ads, tracking, or subscriptions. Period dates, symptoms, and notes are stored locally on your iPhone. We don't collect your cycle or symptom data. There is no cloud sync, Apple Health connection, or automatic sharing. Export a copy only when you choose. START WITH WHAT YOU KNOW Add a period with start and end dates, record an ongoing period, or come back to earlier dates. Edit a whole period without losing its symptoms or notes. Setup is optional: you don't need to rebuild years of history to begin. LOG YOUR WAY Record flow, cramps, mood, and notes on any day. Add custom symptoms, put favorites first, and leave anything blank. An unanswered field stays unanswered. SEE YOUR HISTORY CLEARLY Compare completed cycle lengths and period lengths, with the number of records behind each summary. Browse a dated timeline of symptoms and notes, filter entries, and return to a day to make a correction. YOUR RECORDS. YOUR CALL. Create a readable PDF report or CSV file right on your iPhone. Choose the dates, symptoms, and notes to include, preview the result, then decide whether to share. Export and deletion remain available after your trial ends. Add an optional app lock using Face ID, Touch ID, or your iPhone passcode. ESTIMATES ARE OPTIONAL Show or hide period estimates and choose whether to receive a period reminder. An estimated fertile window is available only if you turn it on. It does not confirm ovulation. Estimated fertile window based on cycle averages. Not a contraceptive. Not for family planning. ONE PURCHASE. NO SUBSCRIPTION. Try everything free for seven days, then keep tracking with one lifetime purchase. No recurring payments. No ads. No tracking. Ever. Built by Under5.

About

Flowna

This app helps you understand your menstrual cycle with intuitive tracking and personalized insights. It prioritizes your privacy by storing all data locally on your device, offering a secure and ad-free experience.

Highlights
  • Intuitive cycle dashboard
  • Period and fertile window predictions
  • Log flow, symptoms, mood, and medications
  • Calendar heatmap and phase duration breakdowns
  • Local data storage with no account needed
  • Apple Health and Apple Watch integration
  • Smart, customizable notifications
Features
Read full description

Flowna is a beautifully designed period and cycle tracking app that puts your privacy first. All your data stays on your device — no accounts, no cloud uploads, no ads. Ever. KNOW YOUR CYCLE • See exactly where you are in your cycle with a clear, intuitive dashboard • Get predictions for your next period and fertile window • Track cycle day, phase, and days until your next period at a glance TRACK WHAT MATTERS • Log flow intensity, symptoms, mood, energy, and medications • Add notes with quick tags for doctor visits, milestones, and patterns • Record activities and track how they relate to your cycle • Optional time-of-day tracking for more detailed patterns INSIGHTS & HISTORY • View your full cycle history with visual comparisons • See phase duration breakdowns and symptom trends • Calendar heatmap shows your logging patterns over time • Export a doctor's report with your complete cycle data BEAUTIFUL & PERSONAL • Multiple color themes to match your style • Light and dark mode support • Animated, calming interface designed with care YOUR DATA, YOUR CONTROL • All data stored locally on your device — never uploaded • No account required — start tracking immediately • Export your data anytime as JSON or CSV • Import from other apps (JSON, CSV, Apple Health) • Optional Apple Health integration for cross-app sync • Biometric app lock (Face ID / Touch ID) for extra privacy APPLE WATCH COMPANION • See your current cycle phase and predictions on your wrist • Log flow and symptoms directly from Apple Watch • Automatic sync between iPhone and Watch SMART NOTIFICATIONS • Get reminders before your period is predicted to start • Fertile window alerts when relevant • Customizable daily log reminders • All notifications processed locally — no server push for health data IMPORTANT DISCLAIMER Flowna is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or condition. Predictions and insights are estimates based on calendar methods and should not be used as a contraceptive method or for medical decision-making. Always consult a qualified healthcare provider for medical advice.

Screenshots

Simple Cycle4 screens
Flowna4 screens

Verdict

The call

The clearest difference is in-app purchases: Flowna at none against Simple Cycle's 1. On price, rating, ratings volume and update cadence 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. Simple Cycle sells 1 one-off in-app purchase. Flowna asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 8 level
Simple Cycle versus Flowna: the parameters behind the verdict, then further details
ParameterSimple CycleFlowna
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS15.0 — better15.1
Further details — not scored
Size4 MB50 MB
Age rating4+12+
DeveloperCoreLift LLCWafa Akbar

Customer experience

Simple Cycle

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Flowna

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Simple Cycle

One-time1
  • Own it Forever!$1.99
None

Flowna

No in-app purchases

Questions

Is Simple Cycle free?
Simple Cycle is free to download, with in-app purchases available.
Is Flowna free?
Flowna is free to download, with no in-app purchases.
Which has better reviews, Simple Cycle or Flowna?
Simple Cycle and Flowna are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Simple Cycle or Flowna have ads?
Neither Simple Cycle nor Flowna shows ads.
Which is updated more often, Simple Cycle or Flowna?
Simple Cycle ships an update every 3 months, and Flowna every 3 months. Most recently, Simple Cycle was updated on October 15, 2026 and Flowna on October 19, 2026.

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