# ILYEO vs CastleFit

The clearest difference is rating: ILYEO at 5.0 against CastleFit's 4.0. ILYEO also leads on update cadence (weekly vs every 2 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ILYEO holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ILYEO ships an update weekly, CastleFit every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | ILYEO | CastleFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ilyeo/id6782918454/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/castlefit/id6786671032/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 51 MB | 45 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Joylux Inc.](https://appshunter.io/developer/1052879099) | [Castle Flexx](https://appshunter.io/developer/1695941246) |

## What reviewers say

### ILYEO

[App page](https://appshunter.io/ios/app/ilyeo/id6782918454)

This app guides users through red-light therapy sessions using a connected device. It offers personalized treatment plans, placement instructions, and pain tracking to help manage muscle and joint discomfort.

**Highlights:** Personalized treatment protocols, Guided placement instructions, Session calendar and reminders, Pain tracking and progress logging, Bluetooth device connectivity

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

**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 ILYEO free?

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

### Is CastleFit free?

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

### Which has better reviews, ILYEO or CastleFit?

ILYEO is rated higher. ILYEO averages 5.0 out of 5 from 1 ratings, while CastleFit averages 4.0 from 2 ratings.

### Do ILYEO or CastleFit have ads?

Neither ILYEO nor CastleFit shows ads.

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

ILYEO ships an update weekly, and CastleFit every 2 weeks. Most recently, ILYEO was updated on October 31, 2026 and CastleFit on October 31, 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.*