# Wireless IO Controller vs Controller Diagnostics

The clearest difference is iOS requirement: Wireless IO Controller at 8.0 against Controller Diagnostics's 16.0. 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.

Wireless IO Controller ships an update every 10 days, Controller Diagnostics every 3 weeks. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Wireless IO Controller | Controller Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 170 MB | 2 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Riverside Mfg., LLC](https://appshunter.io/developer/1402776254) | [Lykketronic AS](https://appshunter.io/developer/1297619408) |

## What reviewers say

### Wireless IO Controller

[App page](https://appshunter.io/ios/app/wireless-io-controller/id1555738562)

**Features:** macOS Compatibility

**In-app purchases:** none


### Controller Diagnostics

[App page](https://appshunter.io/ios/app/controller-diagnostics/id6444090201)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Wireless IO Controller free?

Wireless IO Controller is free to download, with no in-app purchases.

### Is Controller Diagnostics free?

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

### Do Wireless IO Controller or Controller Diagnostics have ads?

Neither Wireless IO Controller nor Controller Diagnostics shows ads.

### Which is updated more often, Wireless IO Controller or Controller Diagnostics?

Wireless IO Controller ships an update every 10 days, and Controller Diagnostics every 3 weeks. Most recently, Wireless IO Controller was updated on September 19, 2026 and Controller Diagnostics on September 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.*