# Eye Training ステレオグラム視力回復アプリ vs ３×３Ｄ Eye Training

The clearest difference is review sentiment: Eye Training ステレオグラム視力回復アプリ at 77% against ３×３Ｄ Eye Training's 0%. Eye Training ステレオグラム視力回復アプリ also leads on rating (4.8 vs 4.0) and ratings volume (25 vs 3). ３×３Ｄ Eye Training's advantage is ads (none vs shown) and update cadence (monthly vs every 4 months). On price, in-app purchases and device support there is nothing between them.

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

Eye Training ステレオグラム視力回復アプリ holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Eye Training ステレオグラム視力回復アプリ has 25 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 77% of Eye Training ステレオグラム視力回復アプリ's written reviews are positive against 0% of ３×３Ｄ Eye Training's.

Eye Training ステレオグラム視力回復アプリ ships an update every 4 months, ３×３Ｄ Eye Training monthly. The most recent releases landed on October 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Eye Training ステレオグラム視力回復アプリ | ３×３Ｄ Eye Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/eye-training/id969447060/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/eye-training/id1474930809/reviews) |
| Number of ratings | **25** | 3 |
| Positive reviews | **77.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 122 MB | 56 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AKITO SAKAI](https://appshunter.io/developer/958094169) | [SHUUICHI WATANABE](https://appshunter.io/developer/999235573) |

## What reviewers say

### Eye Training ステレオグラム視力回復アプリ

[App page](https://appshunter.io/ios/app/eye-training/id969447060)

Engage in a visual game designed to improve eyesight through stereograms. This app offers a relaxing and entertaining way to exercise your eyes with 3D images.

**Highlights:** Stereogram-based gameplay, Eye training exercises, 3D image puzzles, Relaxing visual experience, Casual game for free time

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

**In-app purchases:** none


### ３×３Ｄ Eye Training

[App page](https://appshunter.io/ios/app/eye-training/id1474930809)

This app offers 3D stereoscopic vision training designed to improve both eye and brain visual acuity. Engage in game-like exercises for just 3 minutes daily to strengthen eye muscles and enhance visual processing.

**Highlights:** 3D stereoscopic vision training, Eye muscle and brain training, Daily 3-minute exercises, Vision acuity measurement tool, Three distinct training modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eye Training ステレオグラム視力回復アプリ free?

Eye Training ステレオグラム視力回復アプリ is free to download, with no in-app purchases.

### Is ３×３Ｄ Eye Training free?

３×３Ｄ Eye Training is free to download, with no in-app purchases.

### Which has better reviews, Eye Training ステレオグラム視力回復アプリ or ３×３Ｄ Eye Training?

Eye Training ステレオグラム視力回復アプリ is rated higher. Eye Training ステレオグラム視力回復アプリ averages 4.8 out of 5 from 25 ratings, while ３×３Ｄ Eye Training averages 4.0 from 3 ratings.

### Do Eye Training ステレオグラム視力回復アプリ or ３×３Ｄ Eye Training have ads?

Eye Training ステレオグラム視力回復アプリ shows ads; ３×３Ｄ Eye Training does not.

### Which is updated more often, Eye Training ステレオグラム視力回復アプリ or ３×３Ｄ Eye Training?

Eye Training ステレオグラム視力回復アプリ ships an update every 4 months, and ３×３Ｄ Eye Training monthly. Most recently, Eye Training ステレオグラム視力回復アプリ was updated on October 13, 2026 and ３×３Ｄ Eye Training on September 24, 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.*