# Rumble Boxing Studio Inc. vs Flow Spin Studio

The clearest difference is ads: Flow Spin Studio at none against Rumble Boxing Studio Inc.'s shown. Flow Spin Studio also leads on update cadence (monthly vs every 5 months). Rumble Boxing Studio Inc.'s advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price 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.

Rumble Boxing Studio Inc. ships an update every 5 months, Flow Spin Studio monthly. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Rumble Boxing Studio Inc. | Flow Spin Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/rumble-boxing-studio-inc/id1299968959/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 155 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rumble Boxing Inc](https://appshunter.io/developer/1526721214) | [Flow Spin Studio Inc.](https://appshunter.io/developer/6776319930) |

## What reviewers say

### Rumble Boxing Studio Inc.

[App page](https://appshunter.io/ios/app/rumble-boxing-studio-inc/id1299968959)

Plan and schedule your fitness classes with ease. Quickly view class schedules, sign up, and get notified about waitlist openings and promotions.

**Highlights:** View class schedules, Sign up for classes, Waitlist notifications, View promotions, Schedule planning

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Flow Spin Studio

[App page](https://appshunter.io/ios/app/flow-spin-studio/id6776319928)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Rumble Boxing Studio Inc. free?

Rumble Boxing Studio Inc. is free to download, with no in-app purchases.

### Is Flow Spin Studio free?

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

### Do Rumble Boxing Studio Inc. or Flow Spin Studio have ads?

Rumble Boxing Studio Inc. shows ads; Flow Spin Studio does not.

### Which is updated more often, Rumble Boxing Studio Inc. or Flow Spin Studio?

Rumble Boxing Studio Inc. ships an update every 5 months, and Flow Spin Studio monthly. Most recently, Rumble Boxing Studio Inc. was updated on October 12, 2026 and Flow Spin Studio on October 18, 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.*