# WRRFC vs CastleFit

The clearest difference is update cadence: CastleFit at every 2 weeks against WRRFC's every 18 months. WRRFC's advantage is iOS requirement (13.0 vs 15.1). 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.

WRRFC ships an update every 18 months, CastleFit every 2 weeks. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | WRRFC | CastleFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/castlefit/id6786671032/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 38 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Western Reserve Racquet Club Corp](https://appshunter.io/developer/1625935322) | [Castle Flexx](https://appshunter.io/developer/1695941246) |

## What reviewers say

### WRRFC

[App page](https://appshunter.io/ios/app/wrrfc/id1625935320)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 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


## Frequently asked questions

### Is WRRFC free?

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

### Is CastleFit free?

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

### Do WRRFC or CastleFit have ads?

Neither WRRFC nor CastleFit shows ads.

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

WRRFC ships an update every 18 months, and CastleFit every 2 weeks. Most recently, WRRFC was updated on October 19, 2026 and CastleFit on October 22, 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.*