Niyora vs Flo: which helps with PMS and PMDD?
Flo logs and predicts your whole cycle. Niyora predicts your PMS days and helps you through the moment one goes wrong.
Checked on 13 October 2026 against Flo’s own site and App Store listing.
Feature by feature
How Niyora and Flo compare
Every Flo entry is what Flo Health UK Limited says on its own site, help pages or App Store listing. Where it says nothing, the table says so.
| Feature | Niyora | Flo |
|---|---|---|
| What it is | A PMS and PMDD support app for the hard moment, with a cycle calendar. | A period, ovulation and pregnancy tracker. |
| Built for | The days before your period, when a feeling hits and you have to decide what to do next. | Logging and predicting your whole cycle, from periods and fertile days to pregnancy. |
| Help in the hard moment When it’s happening, not after | Built for it Tell Moon what happened. Swipe through other ways to see it, each with its source, calming activities and facts about your body, then decide what to say, with drafts. | In part Premium includes a Health Assistant chat about how your cycle may affect your mood, energy, skin and fitness. Flo doesn’t describe a tool for working through a specific situation. |
| PMS and PMDD | A predicted PMS window, a library of common PMS and PMDD scenarios, your saved moments mapped by cycle day, and a cycle report PDF for a doctor or therapist. | Logs pre-period symptoms among more than 70 symptoms and moods. Its App Store listing doesn’t mention PMDD. |
| Cycle prediction | Predicts your period and PMS window from your own logged cycles or your Apple Health period history. | Predicts periods, ovulation and fertile days from what you log. |
| AI | Moon runs on Google’s Gemini models. Names and places are replaced on your phone first, and your text isn’t used to train the models. | A virtual Health Assistant chat, unlimited on Premium. |
| Account | None. No sign-up, email or password. | Recommended, not required. Without one, Flo’s help center says you can’t sign in on another phone and may lose your data. Anonymous Mode removes your name, email and identifiers from your data. |
| Your data | Entries are encrypted on your phone. Its App Store label lists no data used to track you and none linked to you. | Stored on Flo’s servers and processed in the US. Its App Store label lists four data types used to track you, and health data linked to you. |
| Price | Free to start. Premium is $8.99 a month or $29.99 a year. Lifetime is $79.99 until 30 November 2026. | Free, with Premium by monthly or yearly subscription. Flo doesn’t publish a price list. Its US App Store listing shows Premium purchases from $1.99 to $59.99. |
| Free version | Moon moments each month, the cycle calendar and PMS window, and calming activities. | Period and ovulation tracking. Premium adds the Health Assistant, cycle patterns, expert courses and a six-month doctor’s report on iPhone. |
| Platforms | iPhone today. Android coming soon. | iPhone, Apple Watch and Android. |
Sources for Flo, checked 13 October 2026: Flo’s App Store listing (US); Flo’s help center, What is included in Flo Premium; Flo’s help center, What is the price for a Flo subscription; Flo’s help center, Why register your account; Flo’s Anonymous Mode announcement; Flo’s privacy policy. Sources for Niyora: its privacy policy and App Store listing.
Who each is for
Who Niyora and Flo are for
Niyora is for you if
Your hard days are about what happens in them: the fight, the email, the 3am replay. You want help with that moment, and a record of when it keeps happening.
Flo is for you if
You want one app to log your period, symptoms, fertile days and pregnancy, with predictions and health articles.
The difference
What Niyora does that Flo doesn’t
Measured against what Flo describes on its own pages on 13 October 2026.
-
Help with the situation you’re in
Tell Moon what happened in a sentence. It responds to that moment, with other ways to see it, a way to calm down and facts about what your body is doing.
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Words for what to say next
Moon drafts the message with you. Make it softer, shorter, or hold it until tomorrow.
-
Every idea shows its source
Each perspective names where it comes from, such as CBT, Stoic philosophy or self-compassion research.
-
Nothing to register
There’s no account. Entries are encrypted on your phone, and names and places are removed on the phone before the AI sees your text.
Pricing
What Niyora and Flo cost
Niyora
Free to start
- Monthly
- $8.99
- Yearly
- $29.99
- Lifetime
- $79.99 until 30 November 2026
Free: Moon moments each month, the cycle calendar and PMS window, and calming activities.
Flo
Free, with Premium by monthly or yearly subscription. Flo doesn’t publish a price list. Its US App Store listing shows Premium purchases from $1.99 to $59.99.
Free version: Period and ovulation tracking. Premium adds the Health Assistant, cycle patterns, expert courses and a six-month doctor’s report on iPhone.
Source: US App Store, read 13 October 2026. Prices can differ by country and change with offers.
Niyora prices are in US dollars on the US App Store. Premium adds unlimited Moon moments, your patterns, the cycle report and asking Moon about your past moments.
Privacy
What happens to what you log
What each app declares in its App Store privacy label and its own policy. Each line is the company’s own declaration.
Niyora
- Account
- None. No email, password or sign-in.
- Where entries live
- Encrypted on your phone, with a key that never leaves it.
- Before the AI sees it
- Names and places are replaced on your phone. Your text isn’t used to train the AI.
- Used to track you (App Store label)
- None declared
- Linked to your identity
- None declared
- Collected, not linked to you
- Health, Purchase History, Photos or Videos, Other User Content, Device ID
Flo
- Account
- Recommended, not required. Without one, Flo’s help center says you can’t sign in on another phone and may lose your data. Anonymous Mode removes your name, email and identifiers from your data.
- Where data lives
- Company servers, transferred to and processed in the US
- Used to track you (App Store label)
- Purchases, Location, Identifiers, Usage Data
- Linked to your identity
- Health & Fitness, Purchases, Location, Contact Info, User Content, Search History, Identifiers, Usage Data, Sensitive Info, Diagnostics
- Sells your data
- Says it does not, per its privacy policy
App Store label read 13 October 2026. Policy details from our app privacy table, checked 19 August 2026.
FAQ
Questions about Niyora and Flo
Does Flo help with PMDD?
Flo’s App Store listing mentions pre-period symptoms and more than 70 symptoms and moods you can log, but it doesn’t mention PMDD. Niyora is a PMS and PMDD support app. Moon helps you through a specific hard moment, and the cycle report shows a doctor or therapist when your hard days fall.
Is Flo’s Health Assistant the same as Moon?
Flo’s Health Assistant is a virtual chat, unlimited on Premium, that helps you understand how your cycle may affect your mood, energy, skin and fitness, according to Flo’s help center. Moon starts from what just happened to you, shows other ways to see it with their sources, and helps you decide what to say.
Does Niyora need an account like Flo?
Niyora has no account at all: no email, no password and no sign-in. Flo’s help center recommends registering so you can sign in on a new phone without losing data. Flo also offers Anonymous Mode, which removes your name, email and identifiers from the data you log.
How much does Flo cost compared with Niyora?
Flo is free to download, with Premium by monthly or yearly subscription. Flo doesn’t publish a price list, and its US App Store listing shows Premium purchases from $1.99 to $59.99. Niyora is free to start, with Premium at $8.99 a month or $29.99 a year.
How this page was checked
Checked on 13 October 2026. Every Flo fact above comes from these pages, read on that date. We name them here and don’t link to them.
- Flo’s App Store listing (US)
- Flo’s help center, What is included in Flo Premium
- Flo’s help center, What is the price for a Flo subscription
- Flo’s help center, Why register your account
- Flo’s Anonymous Mode announcement
- Flo’s privacy policy
Spotted something out of date? neha@niyora.com