Ruva vs Flo
Ruva gives you every feature free, with no ads and no account needed. See how Flo compares, from everyday logging to keeping a copy of your records.
Flo, made by Flo Health UK Limited, offers free period tracking and paid Flo Premium options. It includes pregnancy guidance, ovulation test logging and a Perimenopause Score. With Ruva, every feature is free.1,2,3
Open Ruva in any browser, or get it on Google Play for Android and Wear OS. Your entries stay on your device unless you make a cloud backup, share with a partner or post in the Community. Track your cycle, trying to conceive, pregnancy, the months after a birth or perimenopause. Apps for iPhone, iPad and Mac, plus Apple Watch, are on the way.
At a glance
- Flo offers a free version you can use as long as you like, alongside paid Flo Premium options.2,3
- You can use Flo without registering, keeping data on your device. Flo also offers a feature that lets you use the app without linking your name, email address or technical identifiers to your data.4,5
- Flo says it never sells your data or shares health data with third parties for marketing.5
- The US Federal Trade Commission alleged that Flo shared health data despite privacy promises. Flo neither admitted nor denied the allegations.6,7
- Flo says it is not a method of birth control. Ruva is not contraception either, and its dates are estimates.3
Side by side
| Feature | Ruva | Flo |
|---|---|---|
| Price and free tier | Every feature free You get every Ruva feature for free, with no paywall or premium tier. That includes every mode, the doctor summary and the library of guides. | Free, with optional Premium You can use Flo’s free version as long as you like. Flo also offers monthly and yearly subscriptions. 2,8,3 |
| Ads | No ads No ads anywhere in Ruva, and no advertising ID. Ruva uses Google Analytics for Firebase with advertising switched off to see how the app is used, and counts health-related screens itself so they never reach Google. You can switch it off in Settings › Privacy settings. | Consent-based data sharing With your consent, Flo may share data with AppsFlyer, Firebase and TikTok Ad Manager, excluding health data. Its App Store label lists purchases, location, identifiers and usage data as potentially used to track you across other companies’ apps and websites. 5,3 |
| Account needed | No account needed Start tracking without an account. Linking Google, Apple or an email account is optional, needed only to join the Community or restore a cloud backup on a new device. | Optional You can use Flo without registering. You then cannot log in from another device, and logging out risks losing your data. 4,9 |
| Where your data is kept | On your device Your entries stay on your device, in your browser when you use Ruva on the web. They leave only if you make a cloud backup, share with a partner or post in the Community. | Its servers, or your device Flo uses Amazon Web Services, processes personal data in the US and other countries, and encrypts server data with AES-256. Unregistered use keeps data on your device. 5,10,11,4 |
| Selling and sharing data, per their policy | No data sales Ruva doesn’t sell your data, and your cycle data isn’t shared with Google or Apple if you link an account. You choose whether to make a cloud backup, share with a partner or post in the Community. | Says it never sells data Flo says it never sells your data and does not share health data with third parties for marketing. 5 |
| Export your data | Download everything Download everything as one file you can restore into Ruva on another device without an account. You can also get a CSV copy for spreadsheets. | Request through support Request a TXT or JSON copy through Help, then Contact us in Flo. Flo says you must register your account first to export data. 12 |
| Delete your data | Delete inside the app You can delete everything from inside Ruva. | Through Privacy settings Choose Delete account in Flo’s Privacy settings. Flo says it handles requests within one month, though deleting backup data can take 90 days. 13,5 |
| Languages | Eight languages Use Ruva in English, Spanish, French, German, Brazilian Portuguese, Arabic, Simplified Chinese or Hindi. Arabic has a right-to-left layout. | 21 languages Flo lists English and 20 other languages, including French, German, Portuguese, Simplified Chinese and Spanish. 3,14 |
| Platforms | Browser and Android Use Ruva in any browser, or get the Android and Wear OS apps on Google Play. Apps for iPhone and iPad are on the way, along with Mac (as the iPad app) and Apple Watch. | Phone and watch apps Flo lists iPhone, Apple Watch and Apple Vision support. Its Google Play listing also states compatibility with Wear OS 3. 3,15 |
| Pregnancy, after a birth, perimenopause | Yes, each has its own mode Choose cycle tracking, trying to conceive, pregnancy, after a birth or perimenopause. You can switch modes without losing what you’ve logged. | Pregnancy and perimenopause Flo offers Pregnancy Mode, ovulation test and basal temperature logging, and a Perimenopause Score. 3 |
| Contraception | Not contraception Ruva helps you track your cycle, with dates that are estimates based on what you’ve logged. It isn’t contraception or a medical device. | Not contraception Flo says it is not a method of birth control. Ruva is not contraception or a medical device, and its dates are estimates. 3,1 |
| Offline use | Log offline Your entries save on your device, so you can log without a connection once Ruva has loaded in your browser. | Not stated Not stated. |
Use Ruva free in your browser or in the Android and Wear OS apps from Google Play, with no account needed. Apps for iPhone, iPad and Apple Watch are on the way. The feature availability table shows which features come with the phone apps, and the privacy policy explains your data choices.
Features compared
| Feature | Ruva | Flo |
|---|---|---|
| Hormone chart | Typical hormone curves See how FSH, LH, oestrogen and progesterone typically change across a cycle, drawn to your cycle length with today marked. It’s a typical cycle, not your own levels. | Not stated |
| Patterns from your logs | From your own logs Recorded patterns count what you log before and during your periods. They show patterns, not causes, and there are no scores. | With Flo Premium Flo Premium turns what you log into personalised reports on symptom patterns and cycle lengths. 16 |
| Temperature and LH chart by cycle | One cycle at a time Your basal temperature by cycle day, with your LH test results and period days. It never marks fertile days. | With Flo Premium Flo’s ovulation tracker page describes a BBT chart for Flo Premium subscribers. It doesn’t say ovulation test results appear on it. 17 |
| Report for your doctor | Free PDF A summary of your cycle lengths, periods, symptoms and patterns for your doctor, saved as a PDF. | Premium, iPhone only Flo’s Health Report, a PDF of your last six cycles, is a Premium feature for iOS users. 18 |
| Partner sharing | Free Share a view of your cycle with a partner and choose what they see. | Basic version free Flo’s help centre says basic Flo for Partners is free for all users, and Premium adds expert articles, insights and more. 19 |
| Community | Anonymous communities Join topic communities without showing your name. Joining needs a linked Google, Apple or email account; tracking never does. | Secret Chats Flo lists conversations in its community space, Secret Chats, in its free version. 16 |
| Choose what you log | Hide and reorder Choose which sections and trackers appear when you log, and put them in your own order. | Choose trackers Flo lets you manage which symptom trackers you see when you log. 20 |
| Your own tags | Your own tags Add tags for what matters to you, like a supplement or a trigger, and see them counted in your patterns. | Not stated |
| Automatic deletion | By section and age Choose sections and an age, and older entries in them are deleted automatically. Period days stay, because your estimates need them. | Not stated |
| New-phase reminder | Opt-in reminder A reminder on the first day of each new phase, with discreet wording if you prefer. In a browser, reminders arrive while Ruva is open in a tab. | Not stated |
| Import from other apps | From Flo, Clue and more Import a data export from Flo, Clue, Natural Cycles, Apple Health, drip. or Mensinator, or a CSV file. Ruva reads it on your device and shows a preview first. | Apple Health, iPhone only On iOS, Flo can import data from the Health app. On Android, past periods are entered by hand. 21 |
What Flo offers
- Free period and fertility predictions, with over 80 symptoms to track.2
- A feature that lets you use Flo without linking your name, email address or technical identifiers to your data.5
- Flo reports ISO 27001 and ISO 27701 certifications.15
- Flo Premium offers content from over 100 health and medical experts.22
- Apple Watch and Wear OS support, plus basic access to Flo for Partners for all users.3,15,19
- 21 languages.3
Where Ruva goes further
- Ruva keeps your entries on your device by default. Download a full backup and restore it on another device without an account. Your entries leave your device only if you make a cloud backup, share with a partner or post in the Community.
- Ruva’s doctor summary and every other feature are free. Flo’s Health Report is a Premium feature for iOS users. With Ruva, you can bring a PDF of your recorded history to an appointment without paying.18
- Ruva has a dedicated mode for after a birth, with recovery notes, an optional weekly mood check and counts for feeds and nappies. It is included free, alongside cycle, trying-to-conceive, pregnancy and perimenopause modes.
- Download everything yourself in Ruva: periods, entries, notes, medicines, reminders and settings. Restore the file without an account, or use the CSV copy for a spreadsheet.
- Use Ruva in eight languages, including Arabic with a mirrored layout and Hindi. Flo’s language list includes neither Arabic nor Hindi. Ruva’s guides are available in all eight languages too.3
Choose Ruva for everyday tracking
If you want to start tracking today
Flo runs on iPhone, with Apple Watch and Wear OS support. Ruva opens in any browser and runs on Android and Wear OS today, with every feature free and no account needed. Its iPhone, iPad, Mac and Apple Watch apps are on the way.3,15
If you want help understanding your records
Flo lists a 24/7 virtual Health Assistant. Ruva gives you recorded patterns, cycle recaps and guides with sources, all free. Patterns describe what you logged and do not show a cause.3
If you want your records kept on your device
Flo keeps data on your device when you use it unregistered. Ruva keeps your entries on your device by default and lets you download a full backup to restore without an account.4
If you want every feature without paying
Flo offers free tracking with predictions and over 80 symptoms. Ruva makes every feature free, including the doctor summary, guides and all five modes, with no premium tier.2
Moving your history to Ruva
Ruva can import the .json file from a Flo data export. It reads the file on your device and shows a preview of what it found before saving anything, and you can undo the import. Settings and anything Ruva has no match for are left out.
Questions
What was the FTC case against Flo?
The US Federal Trade Commission alleged that Flo disclosed health data despite promising to keep it private. The complaint named recipients including Facebook’s and Google’s analytics divisions, AppsFlyer and Flurry. Flo neither admitted nor denied the allegations. The order requires Flo to notify affected users, instruct recipients to destroy the health information and obtain an outside compliance review. Ruva has no ads, and your entries stay on your device unless you make a cloud backup, share with a partner or post in the Community. Ruva’s app usage analytics never include what you log or your health data.23,6,7
Does Flo sell my data?
Flo says it never sells your data and does not share health data with third parties for marketing. With your consent, it may share non-health data with AppsFlyer, Firebase and TikTok Ad Manager. Ruva does not sell data or show ads. It also uses Google Analytics for Firebase, never with your health data, and you can switch it off.5
Can I use Flo without an account?
Yes. Flo says unregistered use keeps data on your device, but you cannot restore it after reinstalling or switching devices. Ruva also lets you track without an account, and you can download a full backup to restore on another device.4
How do I move from Flo to Ruva?
In Flo, open Help, then Contact us, and request your data as JSON. Flo says you must register your account first to export data. In Ruva, open Settings › Your data & devices › Bring your history and select the file. Ruva reads it on your device and previews what will be added or left out before you save. You can undo the import later. If you choose to delete your Flo account, use Privacy settings › Delete account in Flo. Your history then lives in Ruva, on your device, with every feature free.12,13
Sources
Every statement about Flo on this page comes from the pages below, read on the date shown. We quote the wording we relied on.
- Flo terms of use (Flo Health)
OR SERVE AS A BIRTH CONTROL METHOD OR CONTRACEPTION.
We are Flo Health UK Limited, a company incorporated in the United Kingdom, company number 12898410.
- What’s included in the free version? (Flo Help Center)
You are free to use our basic version as long as you like
80+ symptoms to track
After you add your period dates to the app, Flo will start making predictions for your next period, ovulation, and fertile days.
- Flo Period & Pregnancy Tracker, US App Store listing (Apple App Store)
Free · In‑App Purchases
Flo Health does not provide medical advice, diagnosis, or treatment, and is not a method of birth control or conception aid.
Flo Premium $1.99 Flo Premium $59.99 Flo Ovulation & Health tracker $11.49 Flo Premium $7.49 Flo Premium $47.99 Flo Premium $14.99
Data Used to Track You The following data may be used to track you across apps and websites owned by other companies: Purchases Location Identifiers Usage Data
English, Danish, Finnish, French, German, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
iPhone Requires iOS 17.0 or later. Apple Vision Requires visionOS 1.0 or later. Apple Watch Requires watchOS 10.0 or later.
Once you conceive, switch to Pregnancy Mode for checklists and expert guidance.
Log LH/ovulation test strip results and basal body temperature
Perimenopause Score to follow symptom changes
Flo Health is a science-backed cycle, ovulation, pregnancy, and period tracker with over 570 million downloads worldwide.*
24/7 virtual Health Assistant: Explore instant, tailored insights about your body and cycle trends
- Privacy portal FAQ (Flo Health)
Yes, you can use Flo without creating an account—this is called an “unregistered account,” meaning you use the app without signing up with an email and password, so your data is stored only on your device.
so your data is stored only on your device. However, this option has limitations—for example, you won’t be able to restore your data if you reinstall the app or switch devices.
- Flo privacy policy (Flo Health)
This feature is available to all Flo users and lets you use the app without linking your name, email address or technical identifiers to your data.
We will never sell your data.
We do not share your health data with third parties for marketing purposes.
With your consent, Flo may collect and share information with AppsFlyer and its partners, Firebase and TikTok Ad Manager.
Your health data is not shared with AppsFlyer, Firebase or TikTok Ad Manager.
The personal data we collect is transferred to and processed in the US, where it is subject to US law and to other countries
Amazon Web Services, Inc.
We will handle your request within one month of receiving it. In some cases, such as for complete deletion of your personal data stored in our backup systems, it may take 90 days.
If you delete the App from your device or your account becomes inactive, we will retain your personal data for three years in case you decide to reactivate the Services or reinstall the App.
- FTC finalizes order with Flo Health, a fertility-tracking app that shared sensitive health data with Facebook, Google, and others (US Federal Trade Commission)
the FTC alleges that despite promising to keep users’ health data private, Flo shared sensitive health data
Flo Health must notify affected users about the disclosure of their health information
- In the Matter of Flo Health, Inc.: decision and order (Docket C-4747) (US Federal Trade Commission)
statements by Respondent that it neither admits nor denies any of the allegations in the Complaint
must instruct any Third Party that has received Health Information from Respondent belonging to any Covered App User to destroy such information.
prior to disclosing any consumer’s Health Information to any Third Party, must:
Respondent must obtain an outside review of certain of its practices (the “Compliance Review”)
- What is the price for a Flo subscription? (Flo Help Center)
We offer a monthly and a yearly subscription. If you subscribe to a one-year subscription, it will be paid in a single upfront payment.
- Why register your account? (Flo Help Center)
If you use Flo without registering your account, you won’t be able to log in from another device. If you log out, you risk losing your data
- Is my data secure? (Flo Help Center)
Flo data centers are handled by Amazon Web Services
- Your data and privacy (Flo Health)
When your data is stored on our servers, we encrypt it with AES-256.
- How do I get a copy of my data? (Flo Help Center)
Tap your avatar (Menu). Tap Help. Scroll down and tap Contact us. Message us and leave your data export request.
TXT file: plain text that is easy for you to read and review JSON file: machine-readable data (digital values only)
You must register your account first to export data
- How can I delete my account? (Flo Help Center)
Open Flo and tap your avatar (Menu). Tap Privacy settings. Tap Delete account and follow the instructions.
- How can I change the language of Flo? (Flo Help Center)
The app is currently available in English, Danish, Finnish, French, German, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian and Vietnamese.
- Flo Ovulation & Period Tracker, Google Play listing (US) (Google Play)
Flo period tracker is compatible with Wear OS 3.
Flo is the first and only period tracking app with dual ISO 27001 and ISO 27701 certifications
Wear OS complications & tiles: Set up a tile and complication on your watch for insights about your cycle.
- Flo Premium vs. Free: Is it worth it? (Flo Health)
With Flo’s free subscription, you can enjoy best-in-class period and ovulation tracking, as well as candid conversations in our safe community space, Secret Chats.
When you log cycle events, Flo Premium creates personalized reports (on symptom patterns, cycle lengths, and more) to look back on.
- Ovulation tracker (Flo for Getting Pregnant product tour) (Flo Health)
Have a Flo Premium subscription?
Once you’ve entered more than one reading, Flo will create a BBT chart in the same place.
- I want to generate a report for my doctor (Flo Help Center)
Health Report is a Premium feature for iOS users, which allows you to generate a PDF file with information about your last six cycles
- Do I need a subscription to access Flo for Partners? (Flo Help Center)
basic access to Flo for Partners, including cycle and pregnancy tracking, is available for all users.
Flo for Partners is available to both Premium users and users who aren’t paying for Flo.
Premium users will get additional access to expert-led articles, tailored insights, stories, videos, quizzes, and polls.
- Logging your symptoms (Flo Help Center)
You can also manage the trackers you see by going to More parameters at the bottom of the screen.
- How do I import info into Flo? (Flo Help Center)
If your previous period tracking app syncs with the Health app, you can import the data from there.
To transfer information about your past periods, you’ll need to do it manually via Calendar > Edit period dates > Check your period dates for the months you need > Save.
- What is included in Flo Premium? (Flo Help Center)
Learn from 100+ health and medical experts and explore Flo’s articles, videos, and audio.
- Developer of popular women’s fertility-tracking app settles FTC allegations that it misled consumers about the disclosure of their health data (US Federal Trade Commission)
According to the complaint, Flo disclosed health data from millions of users
including Facebook’s analytics division, Google’s analytics division, Google’s Fabric service, AppsFlyer, and Flurry.