# FatigueSafe vs Pacing

The clearest difference is review sentiment: FatigueSafe at 100% against Pacing's 0%. FatigueSafe also leads on iOS requirement (11.0 vs 16.6). Pacing's advantage is update cadence (every 4 days vs every 4 months). On price, ads, in-app purchases and monetization model 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, Pacing every 4 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | FatigueSafe | Pacing |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 35 MB | 1 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Adam Fletcher Enterprises Pty Ltd](https://appshunter.io/developer/1401709599) | [Q_PERIOR AG](https://appshunter.io/developer/532082988) |

## 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


### Pacing

[App page](https://appshunter.io/ios/app/pacing/id6448513970)

This app helps individuals with ME/CFS manage their activity levels by monitoring heart rate against personalized thresholds. It provides visual cues and alerts to prevent overexertion and potential relapses, integrating with Apple Health for comprehensive tracking.

**Highlights:** Activity management for ME/CFS, Personalized heart rate thresholds, Relapse prevention alerts, Visual heart rate zone indicators, Apple Health integration, Apple Watch exclusive

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is FatigueSafe free?

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

### Is Pacing free?

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

### Do FatigueSafe or Pacing have ads?

Neither FatigueSafe nor Pacing shows ads.

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

FatigueSafe ships an update every 4 months, and Pacing every 4 days. Most recently, FatigueSafe was updated on October 10, 2026 and Pacing on October 14, 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.*