# Stardust: A privacy-first period tracker: cycle predictions, moon phases and sharing with friends or a partner.

Canonical page: https://herfound.com/apps/stardust

Compiled by HerFound from public sources; facts aren't founder-confirmed yet.

## About

Stardust is a period tracker with a little cosmic sparkle 🌙✨ Log your period, symptoms, moods, cravings, activities and other body signals, and get cycle predictions and daily insights for the phase you're in. It covers fertility and ovulation tracking, a trying-to-conceive setting and a pregnancy mode too. Your cycle is shown alongside the lunar phases, and the paid tier adds horoscope and tarot content. Connect Apple Health and Oura to see how your sleep, energy and activity relate to your cycle, and share your cycle with friends or with a partner through Partner Mode. It's free to start, with a paid subscription called Stardust Super, from Stardust App LLC on iOS and Android.

## Who Stardust is for

Anyone with a cycle, regardless of gender identity, as Stardust's FAQ puts it.

Tags: Trying to conceive, Pregnancy

## Features

- 🩸 Period and cycle tracking with predictions
- 📝 Log symptoms, moods, cravings and basal body temperature
- 🌱 Fertility and ovulation tracking, with a trying-to-conceive setting
- 🤰 Pregnancy mode with daily forecasts and a week-at-a-glance view
- 🌙 Your cycle shown alongside lunar phases
- 🔮 Horoscope and tarot content on Stardust Super
- 💞 Share your cycle with friends, or with a partner in Partner Mode
- ⌚ Connects to Apple Health and Oura Ring data

## Details

- Category: Cycle & Health
- Platforms: iOS, Android
- Pricing: Freemium
- Availability: Available
- Based in: United States
- App Store rating (Apple's, not HerFound's): 4.8 from 121,042 ratings, checked 2026-11-14

## Maker

- Stardust App LLC: https://stardust.app

## Quick facts

From Stardust's own published pages. These summarise what the company states, not an audit of what the app does.

- **Free version:** There is a free version (Official FAQ. The paid subscription is called Stardust Super).
  - Quote: "Absolutely—we believe everyone deserves access to high-quality cycle tracking. That’s why our free version isn’t an afterthought—it’s thoughtfully built to be robust, insightful, and genuinely useful."
  - Source: https://stardust.app/faq (checked 2026-11-11)
- **Paid plan:** $6.99/month, or $24.99 to $39.99/year (Stardust Super, US App Store In-App Purchases. Several annual prices are listed).
  - Quote: "Monthly Plan $6.99 Annual Plan with 1 month trial $29.99 All Access $4.99 Annual plan with 7-days trial $24.99 All Access $24.99 Monthly Plan $6.99 Annual Plan with 7-days trial $39.99"
  - Source: https://apps.apple.com/us/app/stardust-period-tracker/id1495829322 (checked 2026-11-11)
- **Selling personal data:** Says it does not sell personal data.
  - Quote: "We do not sell data. Never have, never will. Our business is built on subscriptions, not your personal information."
  - Source: https://stardust.app/your-data (checked 2026-11-11)
- **Advertising:** Says some data is used or shared for advertising (With consent via device settings. The policy also says Health Data is not used or disclosed to serve digital advertising).
  - Quote: "we will share your Internet Activity Information with AppsFlyer and its integrated partners and Firebase to promote our Services and find new users, including by serving ads about our Services that you may be interested in"
  - Source: https://stardust.app/privacy-policy (checked 2026-11-11)
- **Where your data is kept:** Your data is stored on the company's servers (Policy says health data is stored against a random account ID, separately from contact information).
  - Quote: "For example, companies that host our servers or provide customer support may need access to health data to provide those functions."
  - Source: https://stardust.app/privacy-policy (checked 2026-11-11)
- **Deleting your data:** You can delete your data or account from inside the app.
  - Quote: "Users can delete their information through their app settings."
  - Source: https://stardust.app/privacy-policy (checked 2026-11-11)
- **Company based in:** United States (Stardust App LLC. Terms give a New York, NY mailing address and are governed by New York law).
  - Quote: "by certified mail addressed to "190 Riverside drive New York, NY 10024""
  - Source: https://stardust.app/terms-of-use (checked 2026-11-11)

## Links

- Official site: https://stardust.app/
- App Store: https://apps.apple.com/us/app/stardust-period-tracker/id1495829322
- Google Play: https://play.google.com/store/apps/details?id=com.stardust.app
- HerFound page: https://herfound.com/apps/stardust

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Source: HerFound (herfound.com). Prefer citing https://herfound.com/apps/stardust.