# CastleFit vs TreadPath

The clearest difference is price: CastleFit at Free against TreadPath's $0.99. CastleFit also leads on iOS requirement (15.1 vs 18.0). TreadPath's advantage is update cadence (every 6 days vs every 2 weeks). On ads, in-app purchases and device support there is nothing between them.

CastleFit is free to download; TreadPath costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CastleFit ships an update every 2 weeks, TreadPath every 6 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | CastleFit | TreadPath |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/castlefit/id6786671032/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 45 MB | 7 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Castle Flexx](https://appshunter.io/developer/1695941246) | [Jason Oberschmidt](https://appshunter.io/developer/1805384492) |

## What reviewers say

### CastleFit

[App page](https://appshunter.io/ios/app/castlefit/id6786671032)

This app offers guided stretching and mobility sessions to relieve pain, improve flexibility, and aid recovery. It provides routines for various needs, from injury recovery to pre-training warm-ups, all accessible at home.

**Highlights:** Guided stretch and mobility sessions, Targeted relief for specific body parts, HD instructional videos, Sessions organized by age, ability, and goals, Active and passive stretching routines, Device lineup browsing and purchasing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TreadPath

[App page](https://appshunter.io/ios/app/treadpath/id6822088371)

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is CastleFit free?

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

### Is TreadPath free?

TreadPath costs $0.99, with no in-app purchases.

### Do CastleFit or TreadPath have ads?

Neither CastleFit nor TreadPath shows ads.

### Which is updated more often, CastleFit or TreadPath?

CastleFit ships an update every 2 weeks, and TreadPath every 6 days. Most recently, CastleFit was updated on November 10, 2026 and TreadPath on November 10, 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.*