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Healthcare · head to head

Flo vs Zanda Health

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
Zanda Health logo

Zanda Health

Healthcare

Practice management and clinical notes for allied health clinics, formerly Power Diary

From
$19/month
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.; Zanda Health the 2024 rename from Power Diary means most third party reviews, integration guides and community answers still sit under the old name, so buyers researching Zanda Health find a thin trail and may wrongly conclude it is a new and unproven product.
  • They diverge on capability: Flo covers Cycle and ovulation tracking, Zanda Health covers Unlimited admin users.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Flo and Zanda Health actually diverge.

Attributes where Flo and Zanda Health differ
AttributeFloZanda Health
Starting priceFree$19/month
Pricing modelFree with a Premium subscriptionPer user per month
Free tierYesNo
PlatformsiOS, Android, WebWeb, iOS, Android

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 Zanda Health

  • Unlimited admin users
  • Australian funder billing
  • Clinical note templates
  • Two way SMS
  • Telehealth Pro
  • Practitioner rostering
  • Client portal
  • BizzyAI Scribe

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 Zanda Health
  • 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 Zanda Health
  • A buyer wanting to compare Flo directly against Clue on published data practices before choosing which app to trust with this informationnot Zanda Health
  • Someone who wants pregnancy tracking content alongside cycle tracking in one app rather than switching apps mid-pregnancynot Zanda Health

Zanda Health

  • A five physiotherapist clinic in Melbourne that bulk bills Medicare and wants claiming inside the diary rather than a separate portalnot Flo
  • A psychology group practice with more reception staff than clinicians, where per seat pricing elsewhere would double the billnot Flo
  • A UK osteopathy practice moving off paper diaries that needs online booking and card payment without an implementation projectnot Flo
  • A multi site podiatry business that needs room and equipment allocation alongside practitioner availabilitynot 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.

Zanda Health

  • The 2024 rename from Power Diary means most third party reviews, integration guides and community answers still sit under the old name, so buyers researching Zanda Health find a thin trail and may wrongly conclude it is a new and unproven product.
  • North American billing is not properly served: there is no claims clearinghouse and superbill handling is basic, so a United States practice will need a separate revenue cycle tool and will pay for two systems.
  • Pricing is quoted in United States dollars while the company, support hours and product depth are Australian, so buyers outside those two time zones get support with an overnight lag on urgent clinical scheduling problems.
  • SMS is billed per message beyond the plan allowance and a dedicated number is required in the United States and Canada, so a busy clinic sending reminders and follow ups accumulates a variable monthly cost that is not visible in the headline plan price.
  • Reporting is adequate for a single clinic but weak for a group: cross site financial consolidation and practitioner productivity comparison generally end up exported to a spreadsheet, which becomes a monthly manual job as soon as you pass a handful of locations.

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

Zanda Health

$19/month
  • Starter$19/month
    • One practitioner
    • One administrative user
    • 1,000 appointments per year
  • Growth$49/month
    • Base fee plus 19 USD per additional practitioner per month
    • Unlimited free administrative users
    • Unlimited appointments
  • Telehealth Pro add-on$9/month
    • Per practitioner
    • Unlimited video consultations
    • Recording and waiting room

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 Zanda Health if

  • You need unlimited admin users.
  • You work on Web, iOS, Android.
  • You also want australian funder billing.
Zanda Health review

Questions people ask

Is Flo or Zanda Health better?
Neither clearly leads. Flo starts at Free and Zanda Health at $19/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Flo or Zanda Health?
Flo has a free tier; the other does not. Paid plans start at Free for Flo and $19/month for Zanda Health.
Does Flo or Zanda Health run on more platforms?
Flo runs on iOS, Android, Web. Zanda Health runs on Web, iOS, Android.
Can I use Flo for free?
Yes. Flo has a free tier, so you can try it without paying. Zanda Health starts at $19/month.
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 Zanda Health is typically brought in for.
What can Flo do that Zanda Health cannot?
Flo covers Cycle and ovulation tracking, Pregnancy mode, Anonymous Mode, Symptom and mood logging. Zanda Health covers Unlimited admin users, Australian funder billing, Clinical note templates, Two way SMS.

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.

Zanda Health: Is Zanda Health the same as Power Diary?

Yes. Power Diary rebranded to Zanda Health in 2024. Same company, same product line, same data.

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.

Zanda Health: Do receptionists count as paid users?

No. On the Growth plan administrative users are unlimited and free. Only practitioners are charged.

Flo: Is Flo free?

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

Zanda Health: Does it handle Medicare bulk billing?

Yes, Medicare Online, DVA and bulk billing claims are submitted from within the platform for Australian practices.

Zanda Health: Is it suitable for a United States practice?

Only partly. Charting, scheduling and telehealth work, but there is no claims clearinghouse, so US insurance billing needs a separate system.

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