Comparison

OnTimePoint vs Stardust Period Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OnTimePoint

This system helps researchers track the exact time study samples are collected in real-time. It ensures participants adhere to saliva collection protocols, providing researchers with immediate insights and control over sample compliance.

Highlights
  • Real-time sample collection time tracking
  • Participant compliance monitoring
  • Saliva collection protocol adherence
  • Researcher insights and control
  • Study sample management
Features
Read full description

Created by researchers for researchers, the OnTimePoint™ Saliva Collection Management System developed by Salimetrics makes it possible to know in real-time, the exact time your study samples were collected, and gives you the researcher, the opportunity to see what’s going on and do something about it. Make sure your participants and their samples are 100% compliant with their saliva collection protocols.

About

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.

Highlights
  • Period and ovulation prediction
  • Pregnancy tracking with AR
  • Daily personalized insights
  • Symptom and mood tracking
  • Lunar cycle synchronization
  • Goal manifestation tools
Features
Read full description

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.

Screenshots

OnTimePoint4 screens
Stardust Period Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: OnTimePoint at none against Stardust Period Tracker's 21. OnTimePoint also leads on ads (none vs shown) and rating (5.0 vs 4.8). Stardust Period Tracker's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (119K vs 3). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stardust Period Tracker sells 20 in-app purchases, starting at $2.99 per 7 days. OnTimePoint asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OnTimePoint holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Stardust Period Tracker has 119K ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

OnTimePoint ships an update every 4 months, Stardust Period Tracker fortnightly. The most recent releases landed on October 8, 2026 and October 21, 2026 respectively.

Scorecard8 real differences · 3 level
OnTimePoint versus Stardust Period Tracker: the parameters behind the verdict, then further details
ParameterOnTimePointStardust Period Tracker
PriceFreeFree
Rating5.0 (3 ratings) — better4.8 (119K ratings)
Positive reviews—54.8% of reviews
Number of ratings3119K — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#40 — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.4 — better15.2
Further details — not scored
Size21 MB213 MB
Age rating4+12+
DeveloperSalimetrics LLCStardust App LLC (New York)

Customer experience

OnTimePoint

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Stardust Period Tracker

All ratings119,215 ratings
Positive94.6%
Neutral2.2%
Negative3.1%
Written reviews3,729 reviews
Positive54.8%
Neutral15.3%
Negative29.9%

Bugs and requests

OnTimePoint

Not enough reviews yet to summarise bugs or 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
Show 1 more
  • Offer more inclusive language and features for diverse users

In-app purchases

None

OnTimePoint

No in-app purchases

20 purchases

Stardust Period Tracker

Subscriptions20
  • All Access$2.997 Days
  • All Access$3.991 Month
  • All Access$4.991 Month
Show 17 more
  • 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

Questions

Is OnTimePoint free?
OnTimePoint is free to download, with no in-app purchases.
Is Stardust Period Tracker free?
Stardust Period Tracker is free to download, with in-app purchases available.
Which has better reviews, OnTimePoint or Stardust Period Tracker?
OnTimePoint is rated higher. OnTimePoint averages 5.0 out of 5 from 3 ratings, while Stardust Period Tracker averages 4.8 from 119K ratings.
Do OnTimePoint or Stardust Period Tracker have ads?
Stardust Period Tracker shows ads; OnTimePoint does not.
Which is updated more often, OnTimePoint or Stardust Period Tracker?
OnTimePoint ships an update every 4 months, and Stardust Period Tracker fortnightly. Most recently, OnTimePoint was updated on October 8, 2026 and Stardust Period Tracker on October 21, 2026.

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