# KZVB ID vs Smart Workout Pro

The clearest difference is update cadence: Smart Workout Pro at every 3 months against KZVB ID's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KZVB ID ships an update every 5 months, Smart Workout Pro every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | KZVB ID | Smart Workout Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 54.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 15 MB | 16 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Otten Software GmbH](https://appshunter.io/developer/1187978780) | [Smart Workout EMS-Performance-Systeme-GmbH](https://appshunter.io/developer/1717046580) |

## What reviewers say

### KZVB ID

[App page](https://appshunter.io/ios/app/kzvb-id/id1631292089)

**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 KZVB ID free?

KZVB ID 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 KZVB ID or Smart Workout Pro have ads?

Neither KZVB ID nor Smart Workout Pro shows ads.

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

KZVB ID ships an update every 5 months, and Smart Workout Pro every 3 months. Most recently, KZVB ID was updated on November 3, 2026 and Smart Workout Pro on November 4, 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.*