# Reaction TestMe vs Killer Pool

The clearest difference is review sentiment: Reaction TestMe at 100% against Killer Pool's 0%. Reaction TestMe also leads on rating (2.3 vs 1.0) and in-app purchases (none vs 2). Killer Pool's advantage is update cadence (fortnightly vs every 38 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Killer Pool sells 2 in-app purchases, starting at $0.99 per month. Reaction TestMe asks for nothing beyond the download.

Reaction TestMe holds the better App Store score, 2.3 against 1.0. That said, the two scores are not equally well evidenced: Reaction TestMe has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Reaction TestMe's written reviews are positive against 0% of Killer Pool's.

Reaction TestMe ships an update every 38 months, Killer Pool fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Reaction TestMe | Killer Pool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/reaction-testme/id1227681882/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/killer-pool/id6748647312/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 38 months | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 91 MB | 22 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Josh Griggs](https://appshunter.io/developer/1227681881) | [Mathys Thevenot](https://appshunter.io/developer/1826795732) |

## What reviewers say

### Reaction TestMe

[App page](https://appshunter.io/ios/app/reaction-testme/id1227681882)

Test and train your reaction speed with various game modes designed to challenge your reflexes. Improve your response time through daily practice and see how quickly you can react to visual cues.

**Highlights:** Test reaction speed, Train reaction speed, Reflex game mode, Lights Out game mode, Daily training

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

**In-app purchases:** none


### Killer Pool

[App page](https://appshunter.io/ios/app/killer-pool/id6748647312)

This app simplifies billiards scorekeeping with real-time tracking, player management, and detailed statistics. It offers an intuitive interface and works offline, making it ideal for casual games, clubs, and tournaments.

**Highlights:** Real-time score tracking, Player management, Detailed statistics, Complete history, Intuitive interface, Offline functionality

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Premium Pack | $3.99 | one-time |


## Frequently asked questions

### Is Reaction TestMe free?

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

### Is Killer Pool free?

Killer Pool is free to download, with in-app purchases available.

### Which has better reviews, Reaction TestMe or Killer Pool?

Reaction TestMe is rated higher. Reaction TestMe averages 2.3 out of 5 from 6 ratings, while Killer Pool averages 1.0 from 1 ratings.

### Do Reaction TestMe or Killer Pool have ads?

Both Reaction TestMe and Killer Pool show ads.

### Which is updated more often, Reaction TestMe or Killer Pool?

Reaction TestMe ships an update every 38 months, and Killer Pool fortnightly. Most recently, Reaction TestMe was updated on November 2, 2026 and Killer Pool on October 30, 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.*