# Red Castle vs GymLink

The clearest difference is update cadence: Red Castle at weekly against GymLink's every 3 weeks. 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.

Red Castle ships an update weekly, GymLink every 3 weeks. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Red Castle | GymLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 33 MB | 25 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Red Castle Facility Management](https://appshunter.io/developer/1894447490) | [Mohammed Dabi](https://appshunter.io/developer/1770524330) |

## What reviewers say

### Red Castle

[App page](https://appshunter.io/ios/app/red-castle/id6762507066)

**In-app purchases:** none


### GymLink

[App page](https://appshunter.io/ios/app/gymlink/id6818520670)

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

**In-app purchases:** none


## Frequently asked questions

### Is Red Castle free?

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

### Is GymLink free?

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

### Do Red Castle or GymLink have ads?

Neither Red Castle nor GymLink shows ads.

### Which is updated more often, Red Castle or GymLink?

Red Castle ships an update weekly, and GymLink every 3 weeks. Most recently, Red Castle was updated on October 24, 2026 and GymLink on November 3, 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.*