# WatchME vs CFS Tracker

The clearest difference is rating: WatchME at 4.4 against CFS Tracker's 3.0. WatchME also leads on in-app purchases (none vs 16) and update cadence (every 6 weeks vs every 8 months). CFS Tracker's advantage is device support (4 vs 2) and iOS requirement (15.5 vs 17.0). 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. WatchME asks for nothing beyond the download.

WatchME holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: WatchME has 13 ratings behind it against 2, so its average is the more settled of the two.

WatchME ships an update every 6 weeks, CFS Tracker every 8 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | WatchME | CFS Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (13 ratings)](https://appshunter.io/ios/app/watchme/id1583153009/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/cfs-tracker/id6743564981/reviews) |
| Number of ratings | **13** | 2 |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 219 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | +4 |
| Developer | [David Davies-Payne](https://appshunter.io/developer/1583153011) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### WatchME

[App page](https://appshunter.io/ios/app/watchme/id1583153009)

This app assists individuals diagnosed with ME/CFS in managing their energy levels by monitoring daily heart rate, stand time, steps, and distance. It integrates with HealthKit to track various health metrics and allows users to set personalized thresholds for alerts on their phone and watch.

**Highlights:** Pacing within capacity envelope, Heart rate monitoring, Stand time tracking, Step and distance tracking, HealthKit integration, Customizable alert thresholds, Watch face complications for alerts

**Features:** Apple Watch app

**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 WatchME free?

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

### Is CFS Tracker free?

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

### Which has better reviews, WatchME or CFS Tracker?

WatchME is rated higher. WatchME averages 4.4 out of 5 from 13 ratings, while CFS Tracker averages 3.0 from 2 ratings.

### Do WatchME or CFS Tracker have ads?

Neither WatchME nor CFS Tracker shows ads.

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

WatchME ships an update every 6 weeks, and CFS Tracker every 8 months. Most recently, WatchME was updated on October 14, 2026 and CFS Tracker on October 15, 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.*