# FatigueTech vs CFS Tracker

The clearest difference is in-app purchases: FatigueTech at none against CFS Tracker's 16. FatigueTech also leads on update cadence (every 2 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CFS Tracker sells 16 in-app purchases, starting at $4.95 per month. FatigueTech asks for nothing beyond the download.

FatigueTech ships an update every 2 months, CFS Tracker every 8 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FatigueTech | CFS Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/cfs-tracker/id6743564981/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 71 MB | 219 MB |
| Requires iOS | **14.0.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | +4 |
| Developer | [Ethos Health Pty Ltd](https://appshunter.io/developer/1098422333) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### FatigueTech

[App page](https://appshunter.io/ios/app/fatiguetech/id1540693855)

This app helps organizations manage workplace fatigue risks by providing assessment and communication tools. It alerts leaders to support employees with mitigation strategies and collects data to enhance fatigue management practices.

**Highlights:** Automated Fatigue Risk Management System, Best practice risk assessment tools, Team fatigue assessment visibility, Automated self-assessment notifications, Secure user login, Compliance monitoring with traffic light indicators, Real-time data for FRMS enhancement

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

**In-app purchases:** none


### CFS Tracker

[App page](https://appshunter.io/ios/app/cfs-tracker/id6743564981)

This app helps individuals manage energy-limiting chronic illnesses by tracking symptoms, pacing, medications, and daily activities. It provides insights into patterns and trends to better understand health and communicate with healthcare providers.

**Highlights:** Log diverse symptoms including fatigue and brain fog, Track medications, supplements, and treatments, Record activity, rest, sleep, and nutrition, Customize tracking for personal health patterns, Set reminders for health routines, Monitor post-exertional malaise (PEM) and crashes, Review symptom trends with charts and summaries

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flex pass | $4.95 | per month |
| easy pass | $5.99 | per 7 days |
| flex pass | $8.99 | per month |
| carey ai max | $19.99 | per month |
| yearly access | $19.99 | per year |
| smart pass | $24.99 | per year |
| carey ai ultra | $29.99 | per month |
| plus | $29.99 | per year |
| limited discount | $29.99 | per year |
| Premium Yearly | $34.99 | per year |
| yearly access | $39.99 | per year |
| Extended Trial | $39.99 | per year |
| 7-Day Trial | $49.99 | per year |
| store credit | $1.99 | one-time |
| carey ai credits | $8.99 | one-time |
| lifetime upgrade | $99.99 | one-time |


## Frequently asked questions

### Is FatigueTech free?

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

### Is CFS Tracker free?

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

### Do FatigueTech or CFS Tracker have ads?

Neither FatigueTech nor CFS Tracker shows ads.

### Which is updated more often, FatigueTech or CFS Tracker?

FatigueTech ships an update every 2 months, and CFS Tracker every 8 months. Most recently, FatigueTech was updated on September 28, 2026 and CFS Tracker on October 8, 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.*