# LEF030 vs Impulse EMS studio

The clearest difference is update cadence: LEF030 at every 4 months against Impulse EMS studio's every 8 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.

LEF030 ships an update every 4 months, Impulse EMS studio every 8 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | LEF030 | Impulse EMS studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 147 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [LEF030 B.V.](https://appshunter.io/developer/1712699846) | [Trainin](https://appshunter.io/developer/1732652497) |

## What reviewers say

### LEF030

[App page](https://appshunter.io/ios/app/lef030/id6469833670)

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

**In-app purchases:** none


### Impulse EMS studio

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

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

**In-app purchases:** none


## Frequently asked questions

### Is LEF030 free?

LEF030 is free to download, with no in-app purchases.

### Is Impulse EMS studio free?

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

### Do LEF030 or Impulse EMS studio have ads?

Neither LEF030 nor Impulse EMS studio shows ads.

### Which is updated more often, LEF030 or Impulse EMS studio?

LEF030 ships an update every 4 months, and Impulse EMS studio every 8 months. Most recently, LEF030 was updated on October 7, 2026 and Impulse EMS studio on October 2, 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.*