# InsideTracker vs Prefusion Nutrition Tracker

The clearest difference is review sentiment: Prefusion Nutrition Tracker at 100% against InsideTracker's 33%. Prefusion Nutrition Tracker also leads on rating (4.2 vs 3.4) and in-app purchases (none vs 2). InsideTracker's advantage is ratings volume (342 vs 5). On price, update cadence, ads and device support there is nothing between them.

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

Prefusion Nutrition Tracker holds the better App Store score, 4.2 against 3.4. That said, the two scores are not equally well evidenced: InsideTracker has 342 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 33% of InsideTracker's written reviews are positive against 100% of Prefusion Nutrition Tracker's.

InsideTracker ships an update fortnightly, Prefusion Nutrition Tracker every 10 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | InsideTracker | Prefusion Nutrition Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (342 ratings)](https://appshunter.io/ios/app/insidetracker/id1501674631/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/prefusion-nutrition-tracker/id1639102045/reviews)** |
| Number of ratings | **342** | 5 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 84 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Segterra Inc](https://appshunter.io/developer/1487046588) | [Prefusion Health, LLC](https://appshunter.io/developer/1639102047) |

## What reviewers say

### 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


### Prefusion Nutrition Tracker

[App page](https://appshunter.io/ios/app/prefusion-nutrition-tracker/id1639102045)

Track daily macronutrients and calories with a unique method focused on consistency. Access registered dietitians and health coaches for personalized guidance. Monitor bio-feedback like sleep, energy, and stress for holistic health improvement.

**Highlights:** Macronutrient and calorie tracking, Unique consistency-focused tracking method, Access to dietitians and health coaches, Bio-feedback tracking (sleep, energy, stress), Goal-based daily intake calculation (fat loss, muscle gain, maintenance), Customizable calorie targets, Food logging with saved meals and manual entry

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InsideTracker free?

InsideTracker is free to download, with in-app purchases available.

### Is Prefusion Nutrition Tracker free?

Prefusion Nutrition Tracker is free to download, with no in-app purchases.

### Which has better reviews, InsideTracker or Prefusion Nutrition Tracker?

Prefusion Nutrition Tracker is rated higher. InsideTracker averages 3.4 out of 5 from 342 ratings, while Prefusion Nutrition Tracker averages 4.2 from 5 ratings.

### Do InsideTracker or Prefusion Nutrition Tracker have ads?

Neither InsideTracker nor Prefusion Nutrition Tracker shows ads.

### Which is updated more often, InsideTracker or Prefusion Nutrition Tracker?

InsideTracker ships an update fortnightly, and Prefusion Nutrition Tracker every 10 days. Most recently, InsideTracker was updated on October 24, 2026 and Prefusion Nutrition Tracker on October 20, 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.*