# Controller Diagnostics vs Megatuner

Controller Diagnostics and Megatuner are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Controller Diagnostics | Megatuner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 2 MB | 3 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Lykketronic AS](https://appshunter.io/developer/1297619408) | [Christer Dalen](https://appshunter.io/developer/1655576002) |

## What reviewers say

### Controller Diagnostics

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

**Features:** Vision Pro support

**In-app purchases:** none


### Megatuner

[App page](https://appshunter.io/ios/app/megatuner/id6444596637)

**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 Megatuner free?

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

### Do Controller Diagnostics or Megatuner have ads?

Neither Controller Diagnostics nor Megatuner shows ads.

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

Controller Diagnostics ships an update every 3 weeks, and Megatuner every 3 weeks. Most recently, Controller Diagnostics was updated on September 17, 2026 and Megatuner on September 19, 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.*