# NetCheckr vs Reaction Speed Test&Train

The clearest difference is price: NetCheckr at Free against Reaction Speed Test&Train's $0.99. Reaction Speed Test&Train's advantage is ads (none vs shown) and device support (3 vs 1). On update cadence and in-app purchases there is nothing between them.

NetCheckr is free to download; Reaction Speed Test&Train costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NetCheckr ships an update every 14 months, Reaction Speed Test&Train every 28 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | NetCheckr | Reaction Speed Test&Train |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reaction-speed-test-and-train/id1571555742/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 14 months** | Every 28 months |
| Monetization | — | Paid |
| Size | 7 MB | 1 MB |
| Requires iOS | 17.6 | **14.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文睿 李](https://appshunter.io/developer/372593992) | [瑶 肖](https://appshunter.io/developer/1036033056) |

## What reviewers say

### NetCheckr

[App page](https://appshunter.io/ios/app/netcheckr/id467586204)

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

**In-app purchases:** none


### Reaction Speed Test&Train

[App page](https://appshunter.io/ios/app/reaction-speed-test-and-train/id1571555742)

Test and improve your reflexes with three distinct reaction speed challenges: static, dynamic, and tracking. Enjoy a seamless experience across iPhone and iPad, with support for both light and dark modes, and portrait or landscape orientations.

**Highlights:** Static reaction test, Dynamic reaction test, Tracking reaction test, iPhone/iPad support, Light/dark mode, Portrait/landscape mode

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

**In-app purchases:** none


## Frequently asked questions

### Is NetCheckr free?

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

### Is Reaction Speed Test&Train free?

Reaction Speed Test&Train costs $0.99, with no in-app purchases.

### Do NetCheckr or Reaction Speed Test&Train have ads?

NetCheckr shows ads; Reaction Speed Test&Train does not.

### Which is updated more often, NetCheckr or Reaction Speed Test&Train?

NetCheckr ships an update every 14 months, and Reaction Speed Test&Train every 28 months. Most recently, NetCheckr was updated on November 1, 2026 and Reaction Speed Test&Train on November 3, 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.*