# InsideTracker vs FastFit

The clearest difference is in-app purchases: FastFit at none against InsideTracker's 2. FastFit also leads on update cadence (every 6 days vs fortnightly) and iOS requirement (15.6 vs 17.0). On price, 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. FastFit asks for nothing beyond the download.

InsideTracker ships an update fortnightly, FastFit every 6 days. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | InsideTracker | FastFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (341 ratings)](https://appshunter.io/ios/app/insidetracker/id1501674631/reviews)** | — |
| Number of ratings | **341** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 94 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Segterra Inc](https://appshunter.io/developer/1487046588) | [The Perfect Workout Inc.](https://appshunter.io/developer/1717562385) |

## 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


### FastFit

[App page](https://appshunter.io/ios/app/fastfit/id6759005964)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is InsideTracker free?

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

### Is FastFit free?

FastFit is free to download, with no in-app purchases.

### Do InsideTracker or FastFit have ads?

Neither InsideTracker nor FastFit shows ads.

### Which is updated more often, InsideTracker or FastFit?

InsideTracker ships an update fortnightly, and FastFit every 6 days. Most recently, InsideTracker was updated on September 9, 2026 and FastFit on September 22, 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.*