Flow State vs Flo.

Same job: know where you are in your cycle. One keeps your health data on your phone and costs nothing. The others are subscription apps.

Flo

Flow State is live on the App Store

Download free on theApp Store

01 · Day one

You open the app.

Flow StateToday's cycle. That's the first screen.

Typical appOnboarding quiz, then an account or sign-in, then a trial offer.

02 · The useful part

You want to know what's coming.

Flow StatePredictions, fertile window and history. All of it, free.

Typical appDeeper predictions and insights sit behind Premium.

03 · Every day

You log how you feel.

Flow StateSaved to your phone. There's no server to send it to.

Typical appEntries sync to their servers, and the app asks to track you across other apps.

04 · Someday

You decide to leave.

Flow StateDelete the app. Your data goes with it.

Typical appCancel the subscription, then request your data be deleted.

Flow State home screen showing days until the next period

● No account. Opened to today.

● Prediction ready. Free.

● Saved on this iPhone.

● Delete app = delete data.

Flow State

Flo's home screen predicting the next period

Create your account Sign in to save your cycle and get personalized insights. Continue with Apple Continue with Google Continue with Email

Unlock your full forecast

Cycle predictions
Symptom insights
Ad-free experience

Yearly7-day free trial$59.99/yr Start Free Trial Restore Purchases · Terms

Allow “Tracker” to track your activity across other companies’ apps and websites?Your data will be used to deliver personalized ads to you.

Ask App Not to Track Allow

Before you goKeep Premium for 50% off your next 3 months?

Keep Premium Continue Cancelling

Flo (pop-ups illustrative)

● Side by side

The fine print,
made plain.

Every competitor claim comes straight from its own App Store listing or privacy policy.

Topic	Flow State	Flo	Clue	Stardust
Price	Free, forever	Free download with in-app purchases ($60-$180/yr)	Free download with in-app purchases ($40-$60/yr)	Free download with in-app purchases ($30-$45/yr)
Account	Never asked for	Required (email address, name, IP address)	Required (email address or Apple/Google sign-in)	Required (phone number or Apple ID)
Where data lives	On your iPhone only	Amazon Web Services (cloud)	Cloud servers (AWS hosted in EU)	Cloud database
App Store privacy label	Data Not Collected	Tracks purchases, location, and identifiers	Collects identifiers and usage data	Collects contact info, identifiers, and usage
Ads and trackers	None	AppsFlyer, Firebase, and TikTok Ad Manager	Braze, Adjust, and Google Firebase	Mixpanel and AppsFlyer analytics
Offline use	Fully functional offline	Requires internet connection for features	Limited functionality without internet	Requires internet connection for sync

All competitor information is sourced from their public App Store product pages and privacy policies. Company names appear only to identify them; we use no logos or trademarked interfaces.

● Free on the App Store

Your cycle is your business.