# FatigueSafe vs FUNCAP

The clearest difference is device support: FatigueSafe at 3 against FUNCAP's 1. FatigueSafe also leads on iOS requirement (11.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FatigueSafe ships an update every 4 months, FUNCAP every 5 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FatigueSafe | FUNCAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/funcap/id6504595383/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 35 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Adam Fletcher Enterprises Pty Ltd](https://appshunter.io/developer/1401709599) | [David Davies-Payne](https://appshunter.io/developer/1583153011) |

## What reviewers say

### FatigueSafe

[App page](https://appshunter.io/ios/app/fatiguesafe/id1401709600)

Quickly assess your personal fatigue levels for work or personal use. It analyzes your current state, sleep quality, and physical/mental signs to improve safety and performance.

**Highlights:** Personal fatigue level evaluation, Considers sleep quantity and quality, Analyzes physical and mental fatigue signs, Informed by fatigue management science, Developed with industry partners

**Features:** macOS Compatibility

**In-app purchases:** none


### FUNCAP

[App page](https://appshunter.io/ios/app/funcap/id6504595383)

This app helps individuals diagnosed with ME/CFS self-evaluate and record their functional capacity. It uses questionnaires to assess various domains and can generate PDF reports, optionally including heart and movement metrics. Data is integrated with HealthKit and is not transferred elsewhere.

**Highlights:** ME/CFS functional capacity assessment, FUNCAP55 and FUNCAP27 questionnaires, PDF report generation, Optional heart and movement metrics, HealthKit integration, Data privacy focused

**In-app purchases:** none


## Frequently asked questions

### Is FatigueSafe free?

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

### Is FUNCAP free?

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

### Do FatigueSafe or FUNCAP have ads?

Neither FatigueSafe nor FUNCAP shows ads.

### Which is updated more often, FatigueSafe or FUNCAP?

FatigueSafe ships an update every 4 months, and FUNCAP every 5 months. Most recently, FatigueSafe was updated on October 10, 2026 and FUNCAP on October 7, 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.*