# Controller Tester FGC vs Erosync

Controller Tester FGC and Erosync are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Controller Tester FGC | Erosync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 4 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Aaron Lowe](https://appshunter.io/developer/1896702779) | [Essentia Joy Systems Limited](https://appshunter.io/developer/1896763818) |

## What reviewers say

### Controller Tester FGC

[App page](https://appshunter.io/ios/app/controller-tester-fgc/id6769940586)

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

**In-app purchases:** none


### Erosync

[App page](https://appshunter.io/ios/app/erosync/id6770797200)

**In-app purchases:** none


## Frequently asked questions

### Is Controller Tester FGC free?

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

### Is Erosync free?

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

### Do Controller Tester FGC or Erosync have ads?

Neither Controller Tester FGC nor Erosync shows ads.

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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.*