# Fitspider vs The Castle Training Studio

The clearest difference is update cadence: Fitspider at monthly against The Castle Training Studio's every 5 months. 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.

Fitspider ships an update monthly, The Castle Training Studio every 5 months. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Fitspider | The Castle Training Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fitspider/id6758880689/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | — |
| Size | 88 MB | 121 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [FIT SPIDER Inc.](https://appshunter.io/developer/1875489704) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Fitspider

[App page](https://appshunter.io/ios/app/fitspider/id6758880689)

This app connects users with fitness professionals and facilities. Discover trainers, book sessions, and manage appointments all within a single platform. It also offers a personalized feed for updates and direct in-app messaging.

**Highlights:** Find fitness professionals, Discover fitness facilities, Book and manage sessions, In-app chat with professionals, Personalized fitness feed, Secure in-app payments

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

**In-app purchases:** none


### The Castle Training Studio

[App page](https://appshunter.io/ios/app/the-castle-training-studio/id6760562923)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fitspider free?

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

### Is The Castle Training Studio free?

The Castle Training Studio is free to download, with no in-app purchases.

### Do Fitspider or The Castle Training Studio have ads?

Neither Fitspider nor The Castle Training Studio shows ads.

### Which is updated more often, Fitspider or The Castle Training Studio?

Fitspider ships an update monthly, and The Castle Training Studio every 5 months. Most recently, Fitspider was updated on September 7, 2026 and The Castle Training Studio on September 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.*