# Fast Twitch Training App vs Spin Shack

The clearest difference is ads: Spin Shack at none against Fast Twitch Training App's shown. Spin Shack also leads on update cadence (monthly vs every 5 months) and ratings volume (47 vs 1). Fast Twitch Training App's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating 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.

On the App Store both sit at effectively the same score — 5.0 for Fast Twitch Training App against 5.0 for Spin Shack. That said, the two scores are not equally well evidenced: Spin Shack has 47 ratings behind it against 1, so its average is the more settled of the two.

Fast Twitch Training App ships an update every 5 months, Spin Shack monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Fast Twitch Training App | Spin Shack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fast-twitch-training-app/id1524481640/reviews) | [5.0 (47 ratings)](https://appshunter.io/ios/app/spin-shack/id6736957147/reviews) |
| Number of ratings | 1 | **47** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 120 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fast twitch training inc](https://appshunter.io/developer/1524481642) | [Spin Shack, LLC](https://appshunter.io/developer/1774068250) |

## What reviewers say

### Fast Twitch Training App

[App page](https://appshunter.io/ios/app/fast-twitch-training-app/id1524481640)

Manage your fitness class schedule and membership details on the go. Sign up for classes, view your history, and make purchases directly from your device.

**Highlights:** Real-time class schedule, Sign up for classes, View membership information, Access visit history, View payment history, Cancel reservations, Purchase services

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Spin Shack

[App page](https://appshunter.io/ios/app/spin-shack/id6736957147)

Easily browse and purchase class packs or membership options. View the schedule and filter classes by type to find the perfect fit for your routine. Manage your reservations and book classes to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse class schedule, Filter classes by type, Manage class reservations, Book classes easily

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Fast Twitch Training App free?

Fast Twitch Training App is free to download, with no in-app purchases.

### Is Spin Shack free?

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

### Which has better reviews, Fast Twitch Training App or Spin Shack?

Fast Twitch Training App and Spin Shack are both rated 5.0 out of 5 on the App Store, from 1 and 47 ratings respectively.

### Do Fast Twitch Training App or Spin Shack have ads?

Fast Twitch Training App shows ads; Spin Shack does not.

### Which is updated more often, Fast Twitch Training App or Spin Shack?

Fast Twitch Training App ships an update every 5 months, and Spin Shack monthly. Most recently, Fast Twitch Training App was updated on November 3, 2026 and Spin Shack on November 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.*
