# Mast'O vs Pacing Quest

The clearest difference is update cadence: Pacing Quest at every 5 months against Mast'O's every 15 months. Mast'O's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Mast'O ships an update every 15 months, Pacing Quest every 5 months. The most recent releases landed on September 17, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Mast'O | Pacing Quest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pacing-quest/id6499503099/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 26 MB | 4 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Filière MaRIH](https://appshunter.io/developer/1727106794) | [Anthony Da Cruz](https://appshunter.io/developer/1571034011) |

## What reviewers say

### Mast'O

[App page](https://appshunter.io/ios/app/masto/id6476554444)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pacing Quest

[App page](https://appshunter.io/ios/app/pacing-quest/id6499503099)

This tool helps individuals managing Chronic Fatigue Syndrome (CFS/ME) or Long COVID track daily symptoms, activities, and mood. It provides a clear dashboard to identify patterns and understand how lifestyle choices affect well-being, promoting a sustainable recovery pace.

**Highlights:** Daily symptom and activity tracking, Boolean logging for crashes and sleep, Mood tracking with simple icons, Personal journal entries, CSV file import, Clear data dashboard

**In-app purchases:** none


## Frequently asked questions

### Is Mast'O free?

Mast'O is free to download, with no in-app purchases.

### Is Pacing Quest free?

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

### Do Mast'O or Pacing Quest have ads?

Neither Mast'O nor Pacing Quest shows ads.

### Which is updated more often, Mast'O or Pacing Quest?

Mast'O ships an update every 15 months, and Pacing Quest every 5 months. Most recently, Mast'O was updated on September 17, 2026 and Pacing Quest on June 2, 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.*