# Controller Diagnostics vs Xiylo Pro

The clearest difference is in-app purchases: Controller Diagnostics at none against Xiylo Pro's 1. Controller Diagnostics also leads on iOS requirement (16.0 vs 26.0). Xiylo Pro's advantage is update cadence (every 10 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Xiylo Pro sells 1 one-off in-app purchase. Controller Diagnostics asks for nothing beyond the download.

Controller Diagnostics ships an update every 5 weeks, Xiylo Pro every 10 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Controller Diagnostics | Xiylo Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 2 MB | 11 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Lykketronic AS](https://appshunter.io/developer/1297619408) | [Karan Chatlani](https://appshunter.io/developer/1833413176) |

## What reviewers say

### Controller Diagnostics

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

**Features:** Vision Pro support

**In-app purchases:** none


### Xiylo Pro

[App page](https://appshunter.io/ios/app/xiylo-pro/id6761873161)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xiylo Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Controller Diagnostics free?

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

### Is Xiylo Pro free?

Xiylo Pro is free to download, with in-app purchases available.

### Do Controller Diagnostics or Xiylo Pro have ads?

Neither Controller Diagnostics nor Xiylo Pro shows ads.

### Which is updated more often, Controller Diagnostics or Xiylo Pro?

Controller Diagnostics ships an update every 5 weeks, and Xiylo Pro every 10 days. Most recently, Controller Diagnostics was updated on October 4, 2026 and Xiylo Pro on October 7, 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.*