# Rapid Eye Test vs Pixel Memorization Game

The clearest difference is in-app purchases: Pixel Memorization Game at none against Rapid Eye Test's 1. Rapid Eye Test's advantage is update cadence (every 3 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rapid Eye Test sells 1 one-off in-app purchase. Pixel Memorization Game asks for nothing beyond the download.

Rapid Eye Test ships an update every 3 months, Pixel Memorization Game every 8 months. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Rapid Eye Test | Pixel Memorization Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pixel-memorization-game/id6476827950/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | — | Ad-supported |
| Size | 142 MB | 84 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NURI YANG](https://appshunter.io/developer/1667210977) | [Hirokazu Uno](https://appshunter.io/developer/1570016990) |

## What reviewers say

### Rapid Eye Test

[App page](https://appshunter.io/ios/app/rapid-eye-test-hyper-peepers/id6446809775)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Pixel Memorization Game

[App page](https://appshunter.io/ios/app/pixel-memorization-game/id6476827950)

Test your memory by recalling the exact position and order of pixels. Challenge yourself with increasingly difficult levels or practice at your own pace in free mode. Master the grid to succeed.

**Highlights:** Pixel position and order recall, Challenge mode with increasing difficulty, Free mode for custom practice, Level-based progression, Grid-based gameplay

**In-app purchases:** none


## Frequently asked questions

### Is Rapid Eye Test free?

Rapid Eye Test is free to download, with in-app purchases available.

### Is Pixel Memorization Game free?

Pixel Memorization Game is free to download, with no in-app purchases.

### Do Rapid Eye Test or Pixel Memorization Game have ads?

Both Rapid Eye Test and Pixel Memorization Game show ads.

### Which is updated more often, Rapid Eye Test or Pixel Memorization Game?

Rapid Eye Test ships an update every 3 months, and Pixel Memorization Game every 8 months. Most recently, Rapid Eye Test was updated on October 25, 2026 and Pixel Memorization Game on November 4, 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.*