# Controller Diagnostics vs Circtek

The clearest difference is update cadence: Circtek at every 6 days against Controller Diagnostics's every 5 weeks. 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.

Controller Diagnostics ships an update every 5 weeks, Circtek every 6 days. Both last shipped on October 4, 2026.

## The numbers

| Metric | Controller Diagnostics | Circtek |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Size | 2 MB | 12 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lykketronic AS](https://appshunter.io/developer/1297619408) | [RM online B.V.](https://appshunter.io/developer/1747904508) |

## What reviewers say

### Controller Diagnostics

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

**Features:** Vision Pro support

**In-app purchases:** none


### Circtek

[App page](https://appshunter.io/ios/app/circtek/id6503061522)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Controller Diagnostics free?

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

### Is Circtek free?

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

### Do Controller Diagnostics or Circtek have ads?

Neither Controller Diagnostics nor Circtek shows ads.

### Which is updated more often, Controller Diagnostics or Circtek?

Controller Diagnostics ships an update every 5 weeks, and Circtek every 6 days. Most recently, Controller Diagnostics was updated on October 4, 2026 and Circtek on October 4, 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.*