# 瞬間記憶 vs 視力検査2.0

The clearest difference is review sentiment: 瞬間記憶 at 100% against 視力検査2.0's 0%. 瞬間記憶 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). 視力検査2.0's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 瞬間記憶 | 視力検査2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 101 MB | 11 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [Masaki Hirayama](https://appshunter.io/developer/1693736943) |

## What reviewers say

### 瞬間記憶

[App page](https://appshunter.io/ios/app/id1473696933)

A simple puzzle game designed to improve your memory and cognitive skills. Test your brain age by memorizing number patterns and tapping the correct sequence. Play regularly to activate your brain and see how sharp you are.

**Highlights:** Memory game with numbers, Brain age diagnosis, Simple tap controls, Brain activation through play, Puzzle gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### 視力検査2.0

[App page](https://appshunter.io/ios/app/20/id6471899145)

This app offers a more accurate vision test by providing 1-degree increments for choices, unlike traditional tests with limited options. It aims to reveal your true visual acuity by minimizing guesswork.

**Highlights:** Precise 1-degree choice increments, Improved accuracy over traditional tests, Identifies true visual acuity, Simple and straightforward interface

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

**In-app purchases:** none


## Frequently asked questions

### Is 瞬間記憶 free?

瞬間記憶 is free to download, with no in-app purchases.

### Is 視力検査2.0 free?

視力検査2.0 is free to download, with no in-app purchases.

### Do 瞬間記憶 or 視力検査2.0 have ads?

瞬間記憶 shows ads; 視力検査2.0 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*