# CFS Tracker vs Symptom Detective

The clearest difference is in-app purchases: Symptom Detective at none against CFS Tracker's 16. CFS Tracker's advantage is device support (4 vs 1) and iOS requirement (15.5 vs 18.5). On price and ads there is nothing between them.

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

## The numbers

| Metric | CFS Tracker | Symptom Detective |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/cfs-tracker/id6743564981/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 219 MB | 4 MB |
| Requires iOS | **15.5** | 18.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Clarity Digital Therapeutics Inc](https://appshunter.io/developer/1721663167) | [Nithin Lookose](https://appshunter.io/developer/1861156131) |

## What reviewers say

### 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 |


### Symptom Detective

[App page](https://appshunter.io/ios/app/symptom-detective/id6756524920)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CFS Tracker free?

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

### Is Symptom Detective free?

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

### Do CFS Tracker or Symptom Detective have ads?

Neither CFS Tracker nor Symptom Detective shows ads.

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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.*