# GPchecker vs Controller Tester FGC

The clearest difference is rating: Controller Tester FGC at 5.0 against GPchecker's 4.5. Controller Tester FGC also leads on ads (none vs shown) and update cadence (every 5 days vs every 17 months). GPchecker's advantage is ratings volume (16 vs 2) and iOS requirement (15.0 vs 18.0). On price, 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 Tester FGC holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: GPchecker has 16 ratings behind it against 2, so its average is the more settled of the two.

GPchecker ships an update every 17 months, Controller Tester FGC every 5 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GPchecker | Controller Tester FGC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (16 ratings)](https://appshunter.io/ios/app/gpchecker/id1478760995/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/controller-tester-fgc/id6769940586/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 4 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paraches Lifestyle Lab.](https://appshunter.io/developer/379270827) | [Aaron Lowe](https://appshunter.io/developer/1896702779) |

## What reviewers say

### GPchecker

[App page](https://appshunter.io/ios/app/gpchecker/id1478760995)

This utility app helps you test the functionality of game controllers connected to your iPhone. It allows you to verify the input values for sticks, triggers, and buttons, ensuring they are working correctly.

**Highlights:** Test gamepad sticks, Test gamepad triggers, Test gamepad buttons, Check input values, Verify controller function

**Features:** Vision Pro support

**In-app purchases:** none


### Controller Tester FGC

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

This app allows gamers to test their controller inputs and reaction times in real-time. It displays button presses, analog stick positions, and trigger values, with a built-in reaction test for benchmarking performance. It supports a wide range of controllers and devices, offering precise measurements for fighting game enthusiasts.

**Highlights:** Real-time input monitoring, Drift detection, Raw input data display, Reaction time testing (ms & frames), ProMotion display support (up to 120 Hz), Accurate button labeling, Keyboard and mouse support

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

**In-app purchases:** none


## Frequently asked questions

### Is GPchecker free?

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

### Is Controller Tester FGC free?

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

### Which has better reviews, GPchecker or Controller Tester FGC?

Controller Tester FGC is rated higher. GPchecker averages 4.5 out of 5 from 16 ratings, while Controller Tester FGC averages 5.0 from 2 ratings.

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

GPchecker shows ads; Controller Tester FGC does not.

### Which is updated more often, GPchecker or Controller Tester FGC?

GPchecker ships an update every 17 months, and Controller Tester FGC every 5 days. Most recently, GPchecker was updated on October 26, 2026 and Controller Tester FGC on October 28, 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.*