Comparison

myCircadianClock vs InsideTracker

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

Head to head
About

myCircadianClock

This app aids research studies by tracking diet, exercise, and sleep patterns to understand their impact on health. It allows users to log food intake, sleep times, physical activity, and health metrics, with medication reminders and HealthKit integration.

Highlights
  • Log food and drink intake with camera
  • Record sleep times
  • Log physical activity
  • Monitor health parameters
  • Medication reminders
  • Integrates with HealthKit
Features
Read full description

This app is for use in research studies examining how diet, exercise and sleep affect health and healing. Our body contains circadian (circa – approximately and dian – day) or 24 h clocks that determines the time to sleep, feel hungry or get ready for physical activity. Research studies run in different locations are trying to understand the interaction between “how much” and “when” we sleep, eat or exercise for better health. You need an activation code from these research studies to download and use the app. Following are the key features: - Camera function to snap picture of everything you eat or drink - Sleep tab to record time to bed and time of waking up - Exercise tab to log physical activity - Personalized food menu - Health tab to log and monitor health parameters - Medication reminders - Feedback with the research coordinator - Integrated healthkit framework to track your health information.

About

InsideTracker

This app analyzes your blood, DNA, and fitness tracker data to provide personalized, science-backed recommendations for improving your health and well-being. It offers a guided program with actionable insights on nutrition, supplements, and exercise to help you feel stronger and live longer.

Highlights
  • Blood, DNA, and fitness tracker data analysis
  • Personalized Action Plan
  • Nutrition and supplement recommendations
  • Exercise and habit guidance
  • InnerAge analysis
  • AI-powered health guide
Features
Read full description

Want to quickly unlock your strongest, healthiest body and mind? When you join InsideTracker, you enter a guided program that turns your blood, DNA, and fitness tracker data into simple, science-backed recommendations. It’s effective, but not complicated. Think high-impact rather than high effort. After one blood test: • 80% of people improve at least one at-risk biomarker • 60% of people reduce their InnerAge • 75% improve at least one Healthspan Category Score (such as fitness, sleep, or hormone health) Download the app to start your membership. TRACK EVERYTHING Your data unlocks your recommendations—which is why InsideTracker goes so deep. You’ll track your blood, DNA, nutrition, and fitness tracker data in one place. You’ll also self-report information such as dietary preferences, supplement intake, and workout habits. For blood and DNA testing, you can purchase tests through us, or you can upload data you already have from another provider. FOLLOW YOUR PERSONALIZED ACTION PLAN As a member, you’ll receive a personalized Action Plan complete with foods, supplements, exercises, and other healthy habits. All of your recommendations will be based on a curated body of research that includes thousands of clinical studies. VALIDATE YOUR HEALTHY CHOICES With repeat blood testing, you’ll quickly see the impact of each recommendation. You’ll learn exactly what works and what doesn’t, and over time, you’ll develop a sixth sense about how your body responds to different foods, supplements, and training routines. BUILD YOUR MOTIVATION Most health plans fail as soon as people start feeling lost. InsideTracker won’t let that happen. We’ll keep you on track with ongoing support. Along with your Action Plan, you’ll get: • Weekly Healthspan Habit Reports Keep your routine dialed in with one personalized habit to focus on every 7 days. • Daily ProTips Access spontaneous moments of health with real-time recommendations based on your sleep, workouts, and other activities. • InnerAge Slow or reverse your aging with an analysis of your body’s true age—plus recommendations to drive it lower. • Terra Become an expert in your body by talking to a personalized AI guide that has access to your health data. • Healthspan Category Scores Focus on what matters most with blood tests and analysis for 10 key health areas, including fitness, sleep, inflammation, and hormone health. • Nutrition DeepDive Improve your sleep, workout recovery, and overall energy with your personalized nutrition and meal-timing report. ABOUT INSIDETRACKER InsideTracker was founded in Cambridge, Mass., in 2009 by experts in aging, genetics, and biology. Today, it's the industry leader in personalized health. Using blood, DNA, fitness, and nutrition data, it provides personalized recommendations for living longer, looking younger, and achieving peak performance. Whether you're an athlete, professional, or parent, InsideTracker can deliver peak health in a way that fits seamlessly into your life. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

myCircadianClock4 screens
InsideTracker4 screens

Verdict

The call

The clearest difference is rating: InsideTracker at 3.4 against myCircadianClock's 2.3. InsideTracker also leads on review sentiment (33% vs 19%). myCircadianClock's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price, ratings volume, update cadence and ads 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. InsideTracker sells 2 in-app purchases, starting at $149.00 per year. myCircadianClock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

InsideTracker holds the better App Store score, 3.4 against 2.3. Both are backed by a comparable volume of ratings — 251 and 341 respectively. Written reviews point the same way: 19% of myCircadianClock's written reviews are positive against 33% of InsideTracker's.

UpkeepUpdate frequency

myCircadianClock ships an update monthly, InsideTracker fortnightly. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

Scorecard6 real differences · 4 level
myCircadianClock versus InsideTracker: the parameters behind the verdict, then further details
ParametermyCircadianClockInsideTracker
PriceFreeFree
Rating2.3 (251 ratings)3.4 (341 ratings) — better
Positive reviews19.1% of reviews33.3% of reviews — better
Number of ratings251341 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size56 MB112 MB
Age rating4+17+
DeveloperTHE SALK INSTITUTE FOR BIOLOGICAL STUDIES, SAN DIEGO, CALIFORNIASegterra Inc

Customer experience

myCircadianClock

All ratings251 ratings
Positive23.1%
Neutral11.2%
Negative65.7%
Written reviews183 reviews
Positive19.1%
Neutral14.2%
Negative66.7%

InsideTracker

All ratings341 ratings
Positive55.1%
Neutral7.6%
Negative37.2%
Written reviews129 reviews
Positive33.3%
Neutral11.6%
Negative55.0%

User reviews

myCircadianClock

From 251 App Store ratings

What we love

  • 🚀 Easy to use
  • 💡 Contributes to research
  • 👍 Helpful for tracking health
  • 🚀 Simple and effective

Room to improve

  • 🐛 Buggy and glitchy
  • 🐛 Crashes frequently
  • 🐛 Data loss issues
  • 🐛 Slow and unresponsive
  • 🐛 Clunky and unintuitive UI

InsideTracker

From 341 App Store ratings

What we love

  • ⭐ Simple unprompted insights
  • ⭐ Great app for health tracking
  • ⭐ The health data I didn't know was available to me
  • ⭐ The best biomarker analysis service
  • ⭐ Love this App

Room to improve

  • 🐛 Not bad but doesn't import nutrition from Apple Health (or anywhere at all)
  • 🐛 App Doesn't Work
  • 🐛 Scam
  • 🐛 Could be a lot better
  • 🐛 Works fairly well, except nutrition deep dive

Bugs and requests

myCircadianClock

Reported bugs

5 issues
  • Login/registration issues
  • Incorrect sleep time recording
  • Inability to log food/activity retrospectively
  • Pending data not uploading
  • Notification issues

Requested features

5 requests
  • Ability to edit/delete entries
  • Better data syncing and backup
  • Integration with Apple Health
  • More customization options
  • Improved sleep tracking

InsideTracker

Reported bugs

5 issues
  • Syncing with Apple Health not working properly
  • Inability to check in or check off daily recommendations
  • Constant need to re-login
  • Notifications not working as expected
  • Garmin integration not working

Requested features

2 requests
  • Ability to import nutrition data from Apple Health
  • Ability to manually enter sleep data

In-app purchases

None

myCircadianClock

No in-app purchases

2 purchases

InsideTracker

Subscriptions1
  • InsideTracker membership$149.001 Year
One-time1
  • InnerAge 2.0$89.99

Questions

Is myCircadianClock free?
myCircadianClock is free to download, with no in-app purchases.
Is InsideTracker free?
InsideTracker is free to download, with in-app purchases available.
Which has better reviews, myCircadianClock or InsideTracker?
InsideTracker is rated higher. myCircadianClock averages 2.3 out of 5 from 251 ratings, while InsideTracker averages 3.4 from 341 ratings.
Do myCircadianClock or InsideTracker have ads?
Neither myCircadianClock nor InsideTracker shows ads.
Which is updated more often, myCircadianClock or InsideTracker?
myCircadianClock ships an update monthly, and InsideTracker fortnightly. Most recently, myCircadianClock was updated on October 17, 2026 and InsideTracker on October 12, 2026.

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