--- title: "Ruva vs Stardust: free tracking and privacy (2026)" description: "Compare Ruva and Stardust on privacy, price and everyday tracking. Ruva gives you every feature free, with no ads and entries kept on your device." url: "https://myruva.co/compare/ruva-vs-stardust" language: "en-GB" --- # Ruva vs Stardust Ruva gives you every feature free, with no ads and no account needed to track. Your entries stay on your device unless you choose to back them up or share them. Last checked: 18 October 2026 Stardust is a cycle tracker from Stardust App LLC, with a free version and a premium subscription called Stardust Super. It offers Friend Sync, Partner Mode and astrology-inspired content.[1,2] With Ruva, you get free tracking, health guides and a doctor summary, with your entries kept in your browser. Start today in your browser or on Android, without an account. Apps for iPhone, iPad and Apple Watch are on the way. ## At a glance - Stardust has a free version and a premium subscription, Stardust Super.[2] - Stardust says it never sells data and keeps health data under a random account ID, separate from contact details.[3] - Its privacy policy says health data is not used or disclosed for digital advertising.[4] - Stardust offers trying-to-conceive and week-by-week pregnancy modes.[2,5] - Stardust says it should not be used as birth control or contraception.[5] ## Side by side Ruva and Stardust compared. Ruva’s column shows what you can use free in your browser and on Android today, with the iPhone and Apple Watch apps on the way. Stardust’s column draws on its own published pages, linked as sources. | Feature | Ruva | Stardust | | --- | --- | --- | | 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 version, paid tier** Stardust Super is a premium subscription. The US App Store lists a Monthly Plan at $6.99 among its in-app purchases. [2,5] | | 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. | **No health data for online ads** Stardust says it does not use health data for digital advertising, but shares internet activity information with AppsFlyer and its integrated partners, and with Firebase, to promote its services. Its terms allow advertising, and its App Store label lists purchases, identifiers and usage data as potentially used to track you. [4,5,1] | | 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. | **Account registration** Stardust’s policy describes account registration, including through Apple or Google. Its terms say you may be required to create an account. [4,1] | | 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. | **Servers, apart from identity** Health data is tied to a random account ID, with contact details stored externally through SuperTokens. Server hosts may need access to health data. [3,4] | | 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** Stardust says it never sells data. Its policy says server hosts and customer support providers may need access to health data. [3,4] | | 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. | **Not stated** An export option is not stated in the sources listed here. | | Delete your data | **Delete inside the app** You can delete everything from inside Ruva. | **In the app** You can delete information in app settings or health data through your profile’s delete button. Account deletion removes account data except as required by law. [4,1] | | Languages | **Eight languages** Use Ruva in English, Spanish, French, German, Brazilian Portuguese, Arabic, Simplified Chinese or Hindi. Arabic has a right-to-left layout. | **3 languages** The US App Store lists English, Portuguese and Spanish. [5] | | 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. | **iPhone and Android** Stardust is on iPhone and Android. It says new features usually reach iOS first. [2,5] | | 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. | **Conception and pregnancy** Stardust offers a trying-to-conceive mode and a week-by-week pregnancy tracker. [2,5] | | 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** Stardust says it should not be used as birth control or contraception, and its terms say the services should not be used for pregnancy-related purposes. Ruva is not contraception or a medical device, and its dates are estimates. [5,1] | | 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** Offline use is not stated in the sources listed here. | 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](https://myruva.co/app#availability) shows which features come with the phone apps, and the [privacy policy](https://myruva.co/privacy) explains your data choices. ## Features compared Ruva and Stardust features. Ruva’s column shows what you can use free in your browser today. Stardust’s column draws on its own published pages, linked as sources. “Not stated” means we didn’t find it there. | Feature | Ruva | Stardust | | --- | --- | --- | | 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. | **Day by day** Stardust says you can follow how your hormones shift across your cycle, day by day. [5,6,2] | | 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. | **Partly free** Stardust links logged symptoms to cycle phases. Sleep, energy and activity trends by phase come with the paid Stardust Super. [7,2] | | 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. | **Not stated** | | Report for your doctor | **Free PDF** A summary of your cycle lengths, periods, symptoms and patterns for your doctor, saved as a PDF. | **Not stated** | | Partner sharing | **Free** Share a view of your cycle with a partner and choose what they see. | **Partner Mode** Stardust’s Partner Mode lets a partner or close friend follow your cycle. [2,5] | | Community | **Anonymous communities** Join topic communities without showing your name. Joining needs a linked Google, Apple or email account; tracking never does. | **Not stated** | | Choose what you log | **Hide and reorder** Choose which sections and trackers appear when you log, and put them in your own order. | **Not stated** | | 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. | **Screenshots and health apps** Stardust lets you upload screenshots of period data from another app, and can import data such as menstruation from Apple HealthKit or Google Health. [2,4] | ## What Stardust offers - A free version alongside Stardust Super.[2] - Health data tied to a random account ID, separate from contact details.[3] - A business model it says is built on subscriptions.[3] - Friend Sync, and a Partner Mode so significant others can follow along.[2] - Import of past period data from screenshots during onboarding.[2] - Apple Watch and Oura Ring connections for automatic temperature uploads.[2] ## Where Ruva goes further - Ruva keeps your entries on your device, which means your browser on the web. They leave only if you make a cloud backup, share with a partner or post in the Community. You get no ads and no data sales. - Every Ruva feature is free, including the doctor summary and the library of health guides. Optional support in the phone apps adds no features. - Ruva stays useful as your needs change, with modes for trying to conceive, pregnancy, after a birth and perimenopause. Switching modes keeps your entries. - Ruva helps you look back at what you recorded, with cycle recaps and patterns drawn from your entries. Its health guides list their sources, so you can read further. - You can use Ruva and its guides in eight languages: English, Spanish, French, German, Brazilian Portuguese, Arabic, Simplified Chinese and Hindi. ## Choose Ruva for everyday tracking ### If you want to share with a partner or friend Stardust offers Friend Sync and Partner Mode. With Ruva, a private code shares your name and a short summary you choose. Stopping sharing deletes the shared copy, and the feature is free.[2] ### If you want to make sense of your daily entries Stardust offers horoscopes and tarot readings that incorporate your cycle phase. Ruva gives you recorded patterns, cycle recaps and health guides with sources, all free, to help you look back at your own experience.[2] ### If you want your records to stay on your device Start Ruva in your browser without an account. Your entries stay there unless you make a cloud backup, share with a partner or post in the Community. You can download everything and restore it on another device without an account. ### If you want support after a birth or in perimenopause Ruva gives you dedicated modes for both, free. After a birth, you can read recovery notes and log feeds and nappies. In perimenopause, you can record symptoms and treatments alongside your periods.[2,5] ## Questions Does Stardust sell my data? Stardust says it never sells data or uses health data for digital advertising. Its policy says server hosts and customer support providers may need access to health data. Ruva does not sell data or show ads. Your entries stay on your device unless you make a cloud backup, share with a partner or post in the Community.[3,4] Is Stardust free? Stardust has a free version and a premium subscription called Stardust Super. With Ruva, every feature is free, including the doctor summary, health guides and all five tracking modes.[2] Can I bring my history from Stardust to Ruva? An export option is not stated in the Stardust sources listed here. You can start in Ruva by entering your recent period dates. Ruva uses your logged history for its estimates and shows how much history each estimate is based on. Can either app be used as contraception? No. Stardust says it should not be used as birth control or contraception. Ruva is not contraception or a medical device, and its dates are estimates. Use Ruva to keep your periods, symptoms and notes together and look back at what you have recorded.[5] ## More comparisons - [All comparisons](https://myruva.co/compare) - [Ruva vs Flo](https://myruva.co/compare/ruva-vs-flo) - [Ruva vs Clue](https://myruva.co/compare/ruva-vs-clue) - [Ruva vs Natural Cycles](https://myruva.co/compare/ruva-vs-natural-cycles) - [Ruva vs Apple Health](https://myruva.co/compare/ruva-vs-apple-health) - [Ruva vs Ovia](https://myruva.co/compare/ruva-vs-ovia) - [Ruva vs Glow](https://myruva.co/compare/ruva-vs-glow) - [Ruva vs BabyCenter](https://myruva.co/compare/ruva-vs-babycenter) - [Flo alternatives](https://myruva.co/compare/flo-alternatives) - [Clue alternatives](https://myruva.co/compare/clue-alternatives) - [Period tracker privacy: what to check](https://myruva.co/learn/period-tracker-privacy-what-to-check) ## Sources Every statement about Stardust on this page comes from the pages below, read on the date shown. We quote the wording we relied on. 1. [Stardust terms of use](https://stardust.app/terms-of-use) (Stardust) - you agree that we, our affiliates, and third party partners may place advertising on the Services. - To access our Services, you may be required to register with the Site and create a user account - Deletion of your Account means that we will delete all of your Account data, except as required by applicable law. - The Services should not be used for pregnancy-related purposes. - entered into by and between you and Stardust App LLC Read on 18 October 2026 2. [Stardust FAQ](https://stardust.app/faq) (Stardust) - Is Stardust free? Absolutely—we believe everyone deserves access to high-quality cycle tracking. - Stardust Super (our premium subscription) - select ‘Trying to Conceive’ at the top of the screen. - Yes! Stardust is available on both iOS and Android. One thing worth noting is that we typically release new features on iOS first - our free version isn’t an afterthought—it’s thoughtfully built to be robust, insightful, and genuinely useful. - Tap the planet icon at the bottom of the screen to open Friend Sync. - We also offer a Partner Mode, so significant others can follow along, stay in sync, and support the people they love—no cycle required. - During onboarding, you can upload screenshots of your past or current period data. - To sync your account with your Oura ring, click on the alien icon on the bottom right hand corner - If you use a wearable device like an Apple Watch or Oura Ring, you can sync it in your settings and your temperatures will upload automatically. - Daily Horoscope: Personalized horoscopes that combine your birth chart with your current cycle phase - The Cyclepedia: A searchable library that helps you decode over 150 symptoms, feelings, and conditions - Daily Tarot: A personalized tarot reading that blends the wisdom of the cards with your current cycle phase - Signal Sync: Connects the dots between your sleep, energy, and activity patterns and your cycle phases, helping you spot trends and work with your body—not against it. - You’ll get accurate cycle predictions, daily insights, symptom tracking, and a little moon magic (yes, we sync with lunar cycles). Read on 27 October 2026 3. [Your data](https://stardust.app/your-data) (Stardust) - We do not sell data. Never have, never will. - By partnering with SuperTokens, an authentication platform, we are able to store your contact information externally, while your health data is tied only to a random account ID. - Our business is built on subscriptions, not your personal information. Read on 18 October 2026 4. [Stardust privacy policy and health data privacy policy](https://stardust.app/privacy-policy) (Stardust) - We do not use or disclose Health Data to serve digital advertising. - we will share your Internet Activity Information with AppsFlyer and its integrated partners and Firebase to promote our Services and find new users - We collect information directly from you when you register an account on our app - if you create or log into your Stardust account through a third-party platform (such as Apple or Google) - we store your contact information with third parties and we store your health data against a random account ID. This means that we do not link your health data to you. - For example, companies that host our servers or provide customer support may need access to health data to provide those functions. - We may share each of the categories of health data described above with the following categories of third parties: - Users can delete their information through their app settings. - To delete your health data, you can hit the ‘delete’ button within your profile. - For example, if you connect Apple HealthKit or Google Health with the Services, we may import certain information under your direction such as step count/activity data, temperature, sleep data, and menstruation data. Read on 27 October 2026 5. [Stardust: Period Tracker, US App Store listing](https://apps.apple.com/us/app/stardust-period-tracker/id1495829322) (Apple App Store) - Pregnancy Mode is Stardust's week-by-week pregnancy tracker. - Note: Stardust should not be used as birth control or contraception. - In-App Purchases Yes All Access $2.99 Annual Plan $29.99 All Access $3.99 Monthly Plan $6.99 - The following data may be used to track you across apps and websites owned by other companies: Purchases Identifiers Usage Data - Languages English and 2 more English, Portuguese, Spanish - Only for iPhone - Stardust is a free period, ovulation, and pregnancy tracker that helps you understand your period, hormones, and every phase of your menstrual cycle. - Follow how your hormones shift across your menstrual cycle, day by day - Invite partners or close friends to stay in sync with your period, TTC journey, or pregnancy. Read on 27 October 2026 6. [Stardust Period Tracker, Google Play listing (US)](https://play.google.com/store/apps/details?id=com.stardust.app&hl=en_US&gl=US) (Google Play) - Stardust is a free period tracker and cycle tracker that helps you understand your period and every phase of your menstrual cycle. - Follow how your hormones shift across your menstrual cycle, day by day Read on 27 October 2026 7. [App Features](https://stardust.app/app-features) (Stardust) - As you track, we’ll start linking common symptoms to specific phases in your cycle. Read on 27 October 2026 ## About this comparison Stardust are trademarks of their owners. Ruva isn’t affiliated with, endorsed by or sponsored by any of them, and we use their names only to say which apps we mean. We don’t show their logos. Apps, prices and policies change, and prices differ by country, so check the official pages before you decide. Ruva is not a method of contraception and not a medical device. Its dates are estimates based on what you log. Spotted something wrong or out of date? [Tell us through the support page](https://myruva.co/support) and we’ll check it and correct the page. [hello@myruva.co](mailto:hello@myruva.co?subject=Comparison%20correction)