# Reflex Test & Reaction Time vs Memory Grid Pro

The clearest difference is in-app purchases: Memory Grid Pro at none against Reflex Test & Reaction Time's 1. Memory Grid Pro also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). Reflex Test & Reaction Time's advantage is iOS requirement (14.0.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Reflex Test & Reaction Time sells 1 one-off in-app purchase. Memory Grid Pro asks for nothing beyond the download.

Reflex Test & Reaction Time ships an update every 4 months, Memory Grid Pro weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Reflex Test & Reaction Time | Memory Grid Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 10 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ethem Yavuz](https://appshunter.io/developer/1592978206) | [Mobirizer](https://appshunter.io/developer/1141913793) |

## What reviewers say

### Reflex Test & Reaction Time

[App page](https://appshunter.io/ios/app/reflex-test-and-reaction-time/id6746488281)

Sharpen your mind and boost reaction time with engaging mini-games. Improve focus, speed, and cognitive agility through scientifically designed challenges. Track progress and aim for peak mental performance.

**Highlights:** 4 exciting mini-games, Reaction time tests, Focus and concentration training, Hand-eye coordination challenges, Progress tracking and stats, Personalized brain training

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Memory Grid Pro

[App page](https://appshunter.io/ios/app/memory-grid-pro-brain-puzzle/id6786431127)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reflex Test & Reaction Time free?

Reflex Test & Reaction Time is free to download, with in-app purchases available.

### Is Memory Grid Pro free?

Memory Grid Pro is free to download, with no in-app purchases.

### Do Reflex Test & Reaction Time or Memory Grid Pro have ads?

Reflex Test & Reaction Time shows ads; Memory Grid Pro does not.

### Which is updated more often, Reflex Test & Reaction Time or Memory Grid Pro?

Reflex Test & Reaction Time ships an update every 4 months, and Memory Grid Pro weekly. Most recently, Reflex Test & Reaction Time was updated on October 30, 2026 and Memory Grid Pro on October 31, 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.*