# Afterburn Fitness App vs Protocol Stack Tracker

The clearest difference is device support: Afterburn Fitness App at 4 against Protocol Stack Tracker's 1. Afterburn Fitness App also leads on iOS requirement (15.5 vs 26.0). On price, ads 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 | Afterburn Fitness App | Protocol Stack Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (128 ratings)](https://appshunter.io/ios/app/afterburn-fitness-app/id1517119892/reviews)** | — |
| Number of ratings | **128** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 194 MB | 6 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Afterburn Fitness, Inc.](https://appshunter.io/developer/1475326240) | [DAVIS CABRERA](https://appshunter.io/developer/6790016532) |

## What reviewers say

### Afterburn Fitness App

[App page](https://appshunter.io/ios/app/afterburn-fitness-app/id1517119892)

This app helps you manage your fitness journey by providing class schedules, social media features, and goal tracking. It allows you to connect with popular fitness devices and apps to monitor your progress and stay motivated.

**Highlights:** Class schedules, Fitness goal tracking, Workout scheduling and tracking, Nutrition management, Coach messaging, Wearable device integration

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Protocol Stack Tracker

[App page](https://appshunter.io/ios/app/protocol-stack-tracker/id6790016530)

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

**In-app purchases:** none


## Frequently asked questions

### Is Afterburn Fitness App free?

Afterburn Fitness App is free to download, with no in-app purchases.

### Is Protocol Stack Tracker free?

Protocol Stack Tracker is free to download, with no in-app purchases.

### Do Afterburn Fitness App or Protocol Stack Tracker have ads?

Neither Afterburn Fitness App nor Protocol Stack Tracker shows ads.

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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.*