# EyeTrainer vs どーれかな？（意思決定版）

The clearest difference is in-app purchases: どーれかな？（意思決定版） at none against EyeTrainer's 1. どーれかな？（意思決定版） also leads on update cadence (every 10 months vs every 37 months). EyeTrainer's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. EyeTrainer sells 1 one-off in-app purchase. どーれかな？（意思決定版） asks for nothing beyond the download.

EyeTrainer ships an update every 37 months, どーれかな？（意思決定版） every 10 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | EyeTrainer | どーれかな？（意思決定版） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 10 months** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 24 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [tadayuki tanigawa](https://appshunter.io/developer/1021092901) | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) |

## What reviewers say

### EyeTrainer

[App page](https://appshunter.io/ios/app/eyetrainer/id1051739088)

This app offers dynamic visual development and concentration training. It's beneficial for athletes, children, and anyone looking to improve cognitive skills like comprehension and spatial awareness. Users can customize word lists and track progress with rewards.

**Highlights:** Dynamic visual development, Improved concentration, Customizable word lists, Progress tracking with rewards, Supports multiple trainees, Alphabet and fruit learning games, Color-blind friendly design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Featurs add images and Timer | $2.99 | one-time |


### どーれかな？（意思決定版）

[App page](https://appshunter.io/ios/app/id1439908031)

**In-app purchases:** none


## Frequently asked questions

### Is EyeTrainer free?

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

### Is どーれかな？（意思決定版） free?

どーれかな？（意思決定版） is free to download, with no in-app purchases.

### Do EyeTrainer or どーれかな？（意思決定版） have ads?

Neither EyeTrainer nor どーれかな？（意思決定版） shows ads.

### Which is updated more often, EyeTrainer or どーれかな？（意思決定版）?

EyeTrainer ships an update every 37 months, and どーれかな？（意思決定版） every 10 months. Most recently, EyeTrainer was updated on October 10, 2026 and どーれかな？（意思決定版） on October 15, 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.*