# myCircadianClock vs InsideTracker

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.

Both are free to download. InsideTracker sells 2 in-app purchases, starting at $149.00 per year. myCircadianClock asks for nothing beyond the download.

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.

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

## The numbers

| Metric | myCircadianClock | InsideTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (251 ratings)](https://appshunter.io/ios/app/mycircadianclock/id982118665/reviews) | **[3.4 (341 ratings)](https://appshunter.io/ios/app/insidetracker/id1501674631/reviews)** |
| Number of ratings | 251 | **341** |
| Positive reviews | 19.1% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 112 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [THE SALK INSTITUTE FOR BIOLOGICAL STUDIES, SAN DIEGO, CALIFORNIA](https://appshunter.io/developer/1571953378) | [Segterra Inc](https://appshunter.io/developer/1487046588) |

## What reviewers say

### myCircadianClock

[App page](https://appshunter.io/ios/app/mycircadianclock/id982118665)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


### InsideTracker

[App page](https://appshunter.io/ios/app/insidetracker/id1501674631)

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:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InsideTracker membership | $149.00 | per year |
| InnerAge 2.0 | $89.99 | one-time |

**What reviewers like**

- ⭐ 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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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**

- Ability to import nutrition data from Apple Health
- Ability to manually enter sleep data


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*