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Healthcare · head to head

Flo vs PathAI

Flo logo

Flo

Healthcare

Period and cycle tracking app that settled with the US FTC in 2021 over sharing health data with third parties despite promising not to

From
Free
Rated
-
Full reviewWebsite
PathAI logo

PathAI

Healthcare

Digital pathology image management with an FDA cleared platform for primary diagnosis

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Flo has a free tier, so it costs nothing to try first.
  • Each has a real cost: Flo flo Health settled with the US FTC in 2021 over allegations it shared sensitive health data, including pregnancy and menstruation details, with Facebook, Google and other third parties despite telling users the data would stay private, a fact directly relevant to how much a user should trust current privacy claims without independently checking the published policy.; PathAI aISight is labelled research use only and cannot be used for primary diagnosis; only AISight Dx carries the FDA clearance and CE-IVD mark, and laboratories regularly buy the wrong configuration and discover they cannot sign out on it.
  • They diverge on capability: Flo covers Cycle and ovulation tracking, PathAI covers AISight image management.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Flo and PathAI actually diverge.

Attributes where Flo and PathAI differ
AttributeFloPathAI
Starting priceFreeOn request
Pricing modelFree with a Premium subscriptionquote
Free tierYesNo
PlatformsiOS, Android, WebWeb

Identical on both: user rating (Not yet rated), category (Healthcare).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Flo

  • Cycle and ovulation tracking
  • Pregnancy mode
  • Anonymous Mode
  • Symptom and mood logging
  • Expert content library
  • Community and forums

Only in PathAI

  • AISight image management
  • AISight Dx
  • Scanner interoperability
  • Case and worklist management
  • AI algorithm deployment
  • Biopharmaceutical research tooling
  • LIS integration

What people use each for

The jobs each tool is most often brought in to do.

Flo

  • Someone tracking cycle and ovulation who wants to weigh app convenience against the sensitivity of the data being loggednot PathAI
  • A user in a jurisdiction with legal risk around reproductive health data who wants to check Anonymous Mode and current data sharing policy before logging pregnancy or fertility attemptsnot PathAI
  • A buyer wanting to compare Flo directly against Clue on published data practices before choosing which app to trust with this informationnot PathAI
  • Someone who wants pregnancy tracking content alongside cycle tracking in one app rather than switching apps mid-pregnancynot PathAI

PathAI

  • An academic medical centre going digital for primary diagnosis that needs the FDA cleared AISight Dx configuration rather than the research labelled versionnot Flo
  • A reference laboratory consolidating subspecialty sign out across sites so a specialist pathologist can read cases from any locationnot Flo
  • A pharmaceutical company needing consistent quantitative scoring of trial biopsies across many sites and readersnot Flo
  • A laboratory with a mixed scanner estate that needs one image management layer rather than each scanner vendor viewernot Flo

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Flo

  • Flo Health settled with the US FTC in 2021 over allegations it shared sensitive health data, including pregnancy and menstruation details, with Facebook, Google and other third parties despite telling users the data would stay private, a fact directly relevant to how much a user should trust current privacy claims without independently checking the published policy.
  • Reproductive health data, including logged periods, fertility attempts and pregnancy status, has been the subject of law enforcement data requests in some jurisdictions following changes to reproductive rights law, and cloud-stored logs are a real category of exposure regardless of a vendors intentions.
  • Anonymous Mode, the privacy feature introduced after the settlement, is a setting that must be checked and understood rather than assumed, and its exact scope and default status should be verified in the current privacy policy rather than taken from marketing copy.
  • Free tier predictions rely on self-reported symptom data and general population models, so accuracy for irregular cycles or specific medical conditions is limited compared with clinical tracking.
  • The subscription auto-renews and, like most mobile subscriptions, must be cancelled through app store account settings rather than inside the app itself.

PathAI

  • AISight is labelled research use only and cannot be used for primary diagnosis; only AISight Dx carries the FDA clearance and CE-IVD mark, and laboratories regularly buy the wrong configuration and discover they cannot sign out on it.
  • The software licence is usually the smallest line in a digital pathology project, behind scanners, storage and network capacity, so a business case built around the software cost understates the real investment by a wide margin.
  • Whole slide images are very large, so a laboratory that does not model storage growth and retention policy from the start faces storage costs that grow faster than case volume and dominate the renewal.
  • Clinical validation is required per subspecialty rather than once for the platform, which means dermatopathology, gastrointestinal and breast each need their own concordance study and pathologist time before go live.
  • PathAI competes against pathology incumbents that also sell the scanners, and a laboratory buying an independent image management layer takes on the integration risk between scanner vendor and software vendor itself.

Pricing, plan by plan

Flo

Free
  • Flo Premium$11.99/month
    • Free tier covers core cycle tracking, predictions and symptom logging
    • Premium adds deeper personalised insights and expert content, around $11.99 a month
    • Annual and lifetime purchase options typically offered at a lower effective rate

PathAI

On request
  • AISight$undefined/year
    • Priced by annual slide or case volume and by pathologist seats
    • AISight Dx, the clinically cleared configuration, quoted separately from research use AISight
    • Image storage priced by capacity and retention policy

Which should you pick?

Choose Flo if

  • You need cycle and ovulation tracking.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want pregnancy mode.
Flo review

Choose PathAI if

  • You need aisight image management.
  • You also want aisight dx.
PathAI review

Questions people ask

Is Flo or PathAI better?
Neither clearly leads. Flo starts at Free and PathAI at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Flo or PathAI?
Flo has a free tier; the other does not. Paid plans start at Free for Flo and On request for PathAI.
Does Flo or PathAI run on more platforms?
Flo runs on iOS, Android, Web. PathAI runs on Web.
Can I use Flo for free?
Yes. Flo has a free tier, so you can try it without paying. PathAI starts at On request.
What is Flo best used for?
Flo is most often used for someone tracking cycle and ovulation who wants to weigh app convenience against the sensitivity of the data being logged, a user in a jurisdiction with legal risk around reproductive health data who wants to check anonymous mode and current data sharing policy before logging pregnancy or fertility attempts, a buyer wanting to compare flo directly against clue on published data practices before choosing which app to trust with this information, someone who wants pregnancy tracking content alongside cycle tracking in one app rather than switching apps mid-pregnancy. Of those, someone tracking cycle and ovulation who wants to weigh app convenience against the sensitivity of the data being logged and a user in a jurisdiction with legal risk around reproductive health data who wants to check anonymous mode and current data sharing policy before logging pregnancy or fertility attempts are not what PathAI is typically brought in for.
What can Flo do that PathAI cannot?
Flo covers Cycle and ovulation tracking, Pregnancy mode, Anonymous Mode, Symptom and mood logging. PathAI covers AISight image management, AISight Dx, Scanner interoperability, Case and worklist management.

Answered from the vendors’ own pages

Flo: What happened with the FTC in 2021?

The US FTC alleged Flo Health shared sensitive health data, including pregnancy and menstruation details, with third parties like Facebook and Google despite promising to keep it private. Flo settled without admitting liability, agreeing to obtain consent for future sharing and to an independent privacy review.

PathAI: What is the difference between AISight and AISight Dx?

AISight is for research use only and not for clinical diagnostic use. AISight Dx received FDA 510(k) clearance in June 2025 for primary diagnosis and is CE-IVD marked in the EEA, UK and Switzerland. Only the Dx configuration can be used to sign out cases.

Flo: What is Anonymous Mode?

A privacy setting Flo states disconnects entered health data from an identifiable profile. Check the current app and privacy policy for whether it is on by default or must be turned on manually, since this affects what data is linked to your identity.

PathAI: Can we use our existing scanners?

Yes. AISight is designed to ingest images from multiple whole slide scanner vendors, which is one of the main reasons laboratories choose an independent image management layer.

Flo: Is Flo free?

Core cycle tracking and predictions are free. Deeper personalised insights and expert content require Flo Premium.

PathAI: Do the AI algorithms carry the same clearance as the platform?

No. The platform clearance covers image management for primary diagnosis. Individual algorithms have their own labelling, and many are research use only. Check each one separately.

PathAI: Is pricing published?

No. It is quoted by slide or case volume, pathologist seats and storage, with the clinically cleared configuration priced separately.

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