Stardust Period Tracker vs Flare 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stardust Period Tracker
This health app helps you understand and track your menstrual cycle, ovulation, and pregnancy. It combines scientific data with ancient wisdom and astronomy to provide personalized insights and goal manifestation tools. Features include period predictions, symptom tracking, and lunar synchronicity.
- Period and ovulation prediction
- Pregnancy tracking with AR
- Daily personalized insights
- Symptom and mood tracking
- Lunar cycle synchronization
- Goal manifestation tools
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Stardust is a free period, ovulation, and pregnancy tracker that helps you understand your period, hormones, and every phase of your menstrual cycle. We blend science, ancient wisdom, astronomy, and AI to make period tracking feel simple, intuitive, and meaningful. Track your period, log symptoms, follow hormonal changes, and watch your cycle unfold day by day. Stardust is the cycle tracker that turns daily period tracking into real self-understanding. PERIOD TRACKER & CYCLE TRACKER Decode your period and every phase of your menstrual cycle with a period tracker built to feel intuitive. - Predict your next period and spot PMS patterns before they start - Get personal daily insights based on your menstrual cycle and hormone patterns - See predictions for your period, PMS, cravings, moods, and fertility - Get enhanced cycle tracking insights using your sleep and activity data OVULATION TRACKER & TRYING TO CONCEIVE On your TTC journey, use Stardust as your ovulation tracker to predict your fertile window and understand your cycle on a deeper level. - Get ovulation forecasts and fertility awareness to plan pregnancy - Connect wearables like Apple Watch and Oura Ring to track your Basal Body Temperature, or log it manually - Follow how your hormones shift across your menstrual cycle, day by day PREGNANCY TRACKER Pregnancy Mode is Stardust's week-by-week pregnancy tracker. Switch it on to follow your full hormonal journey through pregnancy. - See weekly baby growth, with 3D and AR to view your baby's size right in your belly - Get daily affirmations and symptom tracking throughout pregnancy - Read weekly insights on health, exercise, nutrition, and ancient wisdom - Explore hormone and moon-based insights with zodiac sign matchups between you and your baby SYNC YOUR CYCLE WITH THE MOON Stardust goes beyond a standard period tracker to connect your menstrual cycle to the cosmos. - Use tools for cycle syncing and aligning your menstrual cycle with lunar phases - Explore a moon calendar and zodiac insights with symbolism and folklore mapped to your cycle - Pull a daily card and get readings tuned to your moon, sun, and rising sign, and cycle phase TRACK YOUR CYCLE TOGETHER Invite partners or close friends to stay in sync with your period, TTC journey, or pregnancy. WHO STARDUST IS FOR Stardust is for anyone tracking a period, predicting ovulation on a TTC journey, tracking a pregnancy week by week, following their symptoms and hormones, or wanting a closer connection between their cycle and the moon. PRIVACY AT ITS CORE Founded and led by women, Stardust is a period tracker built with privacy at its core. Your cycle data and menstrual cycle history are protected. We never sell or share your personal health information. PRIVACY POLICY & TERMS OF SERVICE https://stardust.app/privacy-policy https://stardust.app/terms-of-use CONNECT WITH US Web – stardust.app Instagram – @stardust TikTok – @stardust.app Note: Stardust should not be used as birth control or contraception. The app does not substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider. Having technical issues or questions about your cycle? Email support@stardust.app.
Flare 2.0
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Flare has transformed wearable accessories into powerful tools for personal safety. Stylish designs hide a small, smart device that connects users with friends, family, or emergency responders with a quick tap in critical situations. For all other times, Flare provides comfort in knowing help is only a step away. Flare is a great choice for: • College students navigating campus life, • Night-shift workers or solo professionals, • Runners in rural or remote areas, • Seniors looking for a subtle alternative to bulky panic buttons, • Travelers who want extra peace of mind, • Anyone intrigued by wearable safety tech, and • So many more! Flare products combine convenience, style, and effective safety features: • Sophisticated Design – Blends seamlessly with your everyday look. • Subtle & Protective – Flare’s design keeps the alert device hidden from potential attackers. • Versatile – Wear the technology piece as a necklace, bracelet, choker, keychain, or attach it to a bag or purse—adapt it to fit your style. • No Recurring Fees – Directly connects emergency contacts with the closest 9-1-1 dispatch, with no subscription costs. • Bluetooth Low Energy – Links to your smartphone within a 30-foot range. • GPS Precision – Ensures your exact location is relayed to contacts and emergency services. • Passphrase-Activated Voice AI - Your key to safety in emergencies. • Medical Information – Optional fields for critical health details help responders provide effective assistance. • Quick-Press Activation – A double-tap within three seconds initiates an alert, minimizing unintentional activations. • Simple Alert Cancellation – If it’s a false alarm, canceling the alert is quick and easy. • Extended Battery Life – No constant charging; the battery lasts a full year and alerts you when it’s time for a replacement. • One-Touch 9-1-1 – Exclusively in the U.S., connect directly to dispatchers with a single tap if able to speak during an emergency. Visit our website, select your accessory, and install the free companion app to get started—it’s that simple! At Flare, we believe peace of mind is life’s most valuable asset. When fear is removed, life becomes limitless!
Screenshots
Verdict
The clearest difference is in-app purchases: Flare 2.0 at none against Stardust Period Tracker's 21. Flare 2.0 also leads on ads (none vs shown) and iOS requirement (12.2 vs 15.2). Stardust Period Tracker's advantage is chart position (#45 vs unranked). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Stardust Period Tracker sells 20 in-app purchases, starting at $2.99 per 7 days. Flare 2.0 asks for nothing beyond the download.
| Parameter | Stardust Period Tracker | Flare 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (120K ratings) — better | — |
| Positive reviews | 54.8% of reviews | — |
| Number of ratings | 120K — better | — |
| Update frequency | Fortnightly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #45 — better | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.2 | 12.2 — better |
| Further details — not scored | ||
| Size | 219 MB | 57 MB |
| Age rating | +12 | 4+ |
| Developer | Stardust App LLC (New York) | Flare Jewelry, Inc. |
Bugs and requests
Stardust Period Tracker
Reported bugs
5 issues- Logging out and losing all user data
- Inability to update or adjust cycle information
- Calendar and cycle predictions not syncing correctly
- Notifications not working as expected
- Certain features/sections not loading properly
Requested features
6 requests- Add more symptom and mood tracking options
- Implement graph/chart view to visualize cycle data
- Allow custom notes and reminders
- Provide more personalized insights and recommendations
- Improve sync and data backup functionality
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- Offer more inclusive language and features for diverse users
Flare 2.0
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stardust Period Tracker
- All Access$2.997 Days
- All Access$3.991 Month
- All Access$4.991 Month
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- Monthly Plan2 variants$6.991 Month
- Monthly plan with 7 day trial7 Days trial$6.991 Month
- All Access$24.991 Year
- Annual plan with 7-days trial7 Days trial$24.991 Year
- $24.99/year with 3-days trial3 Days trial$24.991 Year
- Annual Plan7 Days trial$29.991 Year
- Annual Plan with 1 month trial1 Month trial$29.991 Year
- Annual Plan with 3-days trial3 Days trial$29.991 Year
- Stardust All Access1 Year trial$29.991 Year
- All Access$39.991 Year
- Annual Plan with 7-days trial7 Days trial$39.991 Year
- Stardust All Access1 Year trial$39.991 Year
- Annual Plan with 3-days trial3 Days trial$39.991 Year
- Annual plan with 7-days trial7 Days trial$49.991 Year
- $49.99/year$49.991 Year
- $89.99/year with 7-day trial7 Days trial$89.991 Year
- $89.99/year$89.991 Year
Flare 2.0
No in-app purchases
Questions
Is Stardust Period Tracker free?
Is Flare 2.0 free?
Do Stardust Period Tracker or Flare 2.0 have ads?
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