# Castillo GYM vs ClassFlex

The clearest difference is ads: Castillo GYM at none against ClassFlex's shown. Castillo GYM also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (13.0 vs 15.0). On price, 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.

Castillo GYM ships an update every 4 days, ClassFlex every 2 weeks. The most recent releases landed on September 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Castillo GYM | ClassFlex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/castillo-gym/id1519301809/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 0 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Latinsoft Costa Rica Sociedad Anonima](https://appshunter.io/developer/1138994264) | [3-101-938358 S.A.](https://appshunter.io/developer/1824289802) |

## What reviewers say

### Castillo GYM

[App page](https://appshunter.io/ios/app/castillo-gym/id1519301809)

This app provides detailed statistics and analysis for gyms, focusing on member and revenue control. It helps gym owners track progress and reduce paper waste by offering digital reports.

**Highlights:** Member statistics analysis, Revenue tracking, Progress analysis, Digital reporting, Environmental commitment

**Features:** macOS Compatibility

**In-app purchases:** none


### ClassFlex

[App page](https://appshunter.io/ios/app/classflex/id6748094476)

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

**In-app purchases:** none


## Frequently asked questions

### Is Castillo GYM free?

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

### Is ClassFlex free?

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

### Do Castillo GYM or ClassFlex have ads?

ClassFlex shows ads; Castillo GYM does not.

### Which is updated more often, Castillo GYM or ClassFlex?

Castillo GYM ships an update every 4 days, and ClassFlex every 2 weeks. Most recently, Castillo GYM was updated on September 19, 2026 and ClassFlex on October 4, 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.*