# [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ vs Character Search

The clearest difference is in-app purchases: [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ at none against Character Search's 1. [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.1). Character Search's advantage is update cadence (every 6 weeks vs every 26 months). On price and device support there is nothing between them.

Both are free to download. Character Search sells 1 one-off in-app purchase. [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ asks for nothing beyond the download.

[大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ ships an update every 26 months, Character Search every 6 weeks. The most recent releases landed on May 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ | Character Search |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 6 weeks** |
| Size | 9 MB | 7 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REP COM Inc.](https://appshunter.io/developer/702707146) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## What reviewers say

### [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！

[App page](https://appshunter.io/ios/app/up/id908026865)

**Features:** macOS Compatibility

**In-app purchases:** none


### Character Search

[App page](https://appshunter.io/ios/app/character-search-brain-train/id1641708472)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features Available | $12.99 | one-time |


## Frequently asked questions

### Is [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ free?

[大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ is free to download, with no in-app purchases.

### Is Character Search free?

Character Search is free to download, with in-app purchases available.

### Do [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ or Character Search have ads?

Character Search shows ads; [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ does not.

### Which is updated more often, [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ or Character Search?

[大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ ships an update every 26 months, and Character Search every 6 weeks. Most recently, [大人の脳トレ] 反射神経の王様！無料で出来る反射神経UPアプリ！ was updated on May 17, 2026 and Character Search on September 19, 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.*