# WiDI MIDI Studio vs EarX Trainer

The clearest difference is in-app purchases: EarX Trainer at none against WiDI MIDI Studio's 1. EarX Trainer also leads on update cadence (daily vs every 3 months). WiDI MIDI Studio's advantage is iOS requirement (10.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. WiDI MIDI Studio sells 1 one-off in-app purchase. EarX Trainer asks for nothing beyond the download.

WiDI MIDI Studio ships an update every 3 months, EarX Trainer daily. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | WiDI MIDI Studio | EarX Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/widi-midi-studio/id1437308268/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 26 MB | 37 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HYPERTIDE SAS](https://appshunter.io/developer/1403863340) | [杨俊骏 李](https://appshunter.io/developer/1839787688) |

## What reviewers say

### WiDI MIDI Studio

[App page](https://appshunter.io/ios/app/widi-midi-studio/id1437308268)

Create custom MIDI control surfaces and sequences for your music production. Map buttons, pads, knobs, and faders to send MIDI events and control instruments or DAWs. Features an integrated step sequencer for composing musical ideas.

**Highlights:** Customizable MIDI control surface, Integrated step sequencer, MIDI CC and Note generation, MIDI network session support, Automate CC values, Group sequences for synchronized playback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WiDI Fully Unlocked Version | $1.99 | one-time |


### EarX Trainer

[App page](https://appshunter.io/ios/app/earx-trainer/id6752554138)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WiDI MIDI Studio free?

WiDI MIDI Studio is free to download, with in-app purchases available.

### Is EarX Trainer free?

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

### Do WiDI MIDI Studio or EarX Trainer have ads?

Neither WiDI MIDI Studio nor EarX Trainer shows ads.

### Which is updated more often, WiDI MIDI Studio or EarX Trainer?

WiDI MIDI Studio ships an update every 3 months, and EarX Trainer daily. Most recently, WiDI MIDI Studio was updated on October 12, 2026 and EarX Trainer on October 10, 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.*