# Project Burn Studio vs 4D Fit

The clearest difference is monetization model: 4D Fit at free against Project Burn Studio's ad-supported. 4D Fit also leads on iOS requirement (14.0 vs 16.0). On price, review sentiment 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.

## The numbers

| Metric | Project Burn Studio | 4D Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/4d-fit/id6752277434/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | — |
| Monetization | Ad-supported | **Free** |
| Size | 36 MB | 129 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Hysterically Happy, LLC](https://appshunter.io/developer/1815353710) | [4D Fitness LLC](https://appshunter.io/developer/1838621312) |

## What reviewers say

### Project Burn Studio

[App page](https://appshunter.io/ios/app/project-burn-studio/id6746137046)

Browse and book fitness classes, manage your schedule, and purchase class packs or memberships. Filter classes by type to find the perfect fit for your routine and stay committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse and filter class schedule, Manage class reservations, Track upcoming classes, Stay organized with fitness goals

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 4D Fit

[App page](https://appshunter.io/ios/app/4d-fit/id6752277434)

Plan and schedule fitness classes directly from your device. View class schedules, sign up for sessions, and find studio locations. Optimize your time and convenience for class bookings.

**Highlights:** Plan and schedule classes, View class schedules, Sign up for classes, View studio location, Optimize time and convenience

**In-app purchases:** none


## Frequently asked questions

### Is Project Burn Studio free?

Project Burn Studio is free to download, with no in-app purchases.

### Is 4D Fit free?

4D Fit is free to download, with no in-app purchases.

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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.*