# Reaction Time Training vs Gridlock

The clearest difference is in-app purchases: Gridlock at none against Reaction Time Training's 13. Gridlock also leads on iOS requirement (13.0 vs 15.3). On price, ads and device support there is nothing between them.

Both are free to download. Reaction Time Training sells 9 in-app purchases, starting at $2.99 per 7 days. Gridlock asks for nothing beyond the download.

## The numbers

| Metric | Reaction Time Training | Gridlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (203 ratings)](https://appshunter.io/ios/app/reaction-time-training-rtap/id6560115310/reviews)** | — |
| Number of ratings | **203** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 22 MB |
| Requires iOS | 15.3 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Jan Augustyniak](https://appshunter.io/developer/1739379260) | [ONURCAN ISIK](https://appshunter.io/developer/1886727586) |

## What reviewers say

### Reaction Time Training

[App page](https://appshunter.io/ios/app/reaction-time-training-rtap/id6560115310)

Enhance your reflexes with engaging mini-games designed to test and improve reaction speed. Track your progress, compete with friends in duels, and climb leaderboards to unlock achievements. Ideal for anyone looking to sharpen their reaction time.

**Highlights:** Reaction time testing, Challenging mini-games, Progress tracking, Friend duels, Leaderboards, Achievement unlocking

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $2.99 | per 7 days |
| Unlimited Access | $4.99 | per month |
| Unlimited Access | $4.99 | per 7 days |
| Unlimited Access | $7.99 | per month |
| Unlimited Access | $19.99 | per year |
| Unlimited Access | $19.99 | per year |
| Unlimited Access | Free | one-time |
| Unlimited Access | $14.99 | one-time |
| Unlimited Access | $29.99 | one-time |


### Gridlock

[App page](https://appshunter.io/ios/app/gridlock-pattern-memory/id6768774233)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Time Training free?

Reaction Time Training is free to download, with in-app purchases available.

### Is Gridlock free?

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

### Do Reaction Time Training or Gridlock have ads?

Neither Reaction Time Training nor Gridlock 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.*