# FitX50 vs ZonePRO Audio Workout

The clearest difference is in-app purchases: FitX50 at none against ZonePRO Audio Workout's 1. FitX50 also leads on ratings volume (7 vs 1) and iOS requirement (14.0 vs 17.6). ZonePRO Audio Workout's advantage is ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. ZonePRO Audio Workout sells 1 one-off in-app purchase. FitX50 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for FitX50 against 5.0 for ZonePRO Audio Workout. That said, the two scores are not equally well evidenced: FitX50 has 7 ratings behind it against 1, so its average is the more settled of the two.

FitX50 ships an update every 4 months, ZonePRO Audio Workout every 5 months. The most recent releases landed on September 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FitX50 | ZonePRO Audio Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/fitx50/id1664144072/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/zonepro-audio-workout/id6517357344/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 126 MB | 12 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ultimate Martial Arts and Fitness](https://appshunter.io/developer/1663881040) | [Cocoalena Software](https://appshunter.io/developer/370764336) |

## What reviewers say

### FitX50

[App page](https://appshunter.io/ios/app/fitx50/id1664144072)

Easily plan and schedule fitness classes directly from your device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enhance convenience for booking workouts.

**Highlights:** View class schedules, Sign up for classes, Studio location information, Schedule management, Device-based booking

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ZonePRO Audio Workout

[App page](https://appshunter.io/ios/app/zonepro-audio-workout/id6517357344)

This app provides hands-free heart rate monitoring during workouts. It automatically announces your heart rate changes, allowing you to stay focused on your exercise without needing to check a device. Detailed workout statistics are synced to your iPhone for post-session review.

**Highlights:** Hands-free heart rate announcements, Zone-based training alerts, Real-time heart rate updates, Workout statistics syncing, Focus on movement, not device checks

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZonePRO License | $9.99 | one-time |


## Frequently asked questions

### Is FitX50 free?

FitX50 is free to download, with no in-app purchases.

### Is ZonePRO Audio Workout free?

ZonePRO Audio Workout is free to download, with in-app purchases available.

### Which has better reviews, FitX50 or ZonePRO Audio Workout?

FitX50 and ZonePRO Audio Workout are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do FitX50 or ZonePRO Audio Workout have ads?

FitX50 shows ads; ZonePRO Audio Workout does not.

### Which is updated more often, FitX50 or ZonePRO Audio Workout?

FitX50 ships an update every 4 months, and ZonePRO Audio Workout every 5 months. Most recently, FitX50 was updated on September 15, 2026 and ZonePRO Audio Workout on October 6, 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.*