# Impulse EMS studio vs JDB FIT

The clearest difference is iOS requirement: JDB FIT at 13.0 against Impulse EMS studio's 15.0. On price, update cadence, 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.

Impulse EMS studio ships an update every 7 months, JDB FIT every 3 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Impulse EMS studio | JDB FIT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 16 MB | 195 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Trainin](https://appshunter.io/developer/1732652497) | [JDB FIT](https://appshunter.io/developer/1771834531) |

## What reviewers say

### Impulse EMS studio

[App page](https://appshunter.io/ios/app/impulse-ems-studio/id6651833373)

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

**In-app purchases:** none


### JDB FIT

[App page](https://appshunter.io/ios/app/jdb-fit/id6736395277)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Impulse EMS studio free?

Impulse EMS studio is free to download, with no in-app purchases.

### Is JDB FIT free?

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

### Do Impulse EMS studio or JDB FIT have ads?

Neither Impulse EMS studio nor JDB FIT shows ads.

### Which is updated more often, Impulse EMS studio or JDB FIT?

Impulse EMS studio ships an update every 7 months, and JDB FIT every 3 months. Most recently, Impulse EMS studio was updated on October 18, 2026 and JDB FIT on October 17, 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.*