# x vs Smart Workout Pro

The clearest difference is update cadence: x at monthly against Smart Workout Pro's every 3 months. Smart Workout Pro's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, 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.

x ships an update monthly, Smart Workout Pro every 3 months. The most recent releases landed on October 3, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | x | Smart Workout Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **56.3% of reviews** | 54.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 282 MB | 16 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kermi GmbH](https://appshunter.io/developer/879996391) | [Smart Workout EMS-Performance-Systeme-GmbH](https://appshunter.io/developer/1717046580) |

## What reviewers say

### x

[App page](https://appshunter.io/ios/app/x-center/id1531279688)

Control your heat pump system remotely with this app. Monitor performance, create custom scenes, and view statistics from anywhere. No extra hardware is needed to get started.

**Highlights:** Remote heat pump control, Comprehensive system monitoring, Customizable scenes, Statistics and overviews, Alarm and warning notifications, Dark and light mode

**Features:** Vision Pro support

**In-app purchases:** none


### Smart Workout Pro

[App page](https://appshunter.io/ios/app/smart-workout-pro/id6472446760)

This app utilizes an electrical pulse system for efficient muscle training. It delivers electrical pulses to specific muscle groups at a set frequency, allowing for quick and effective workouts. Users can select training modes and parameters within the application.

**Highlights:** Electrical pulse system, Efficient muscle training, Customizable training modes, Parameter selection, Full schedule friendly

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is x free?

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

### Is Smart Workout Pro free?

Smart Workout Pro is free to download, with no in-app purchases.

### Do x or Smart Workout Pro have ads?

Neither x nor Smart Workout Pro shows ads.

### Which is updated more often, x or Smart Workout Pro?

x ships an update monthly, and Smart Workout Pro every 3 months. Most recently, x was updated on October 3, 2026 and Smart Workout Pro on October 20, 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.*