# Zengo vs 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜

The clearest difference is price: Zengo at Free against 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜's $1.99. Zengo also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (9.0 vs 13.0). 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Zengo is free to download; 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zengo ships an update fortnightly, 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 every 4 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Zengo | 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 94 MB | 90 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gonosen Inc](https://appshunter.io/developer/1567371777) | [Tomohiro Sasaki](https://appshunter.io/developer/1291219090) |

## What reviewers say

### Zengo

[App page](https://appshunter.io/ios/app/zengo/id1585295471)

**Features:** macOS Compatibility

**In-app purchases:** none


### 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜

[App page](https://appshunter.io/ios/app/plus-3d/id1590167911)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zengo free?

Zengo is free to download, with no in-app purchases.

### Is 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 free?

視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 costs $1.99, with no in-app purchases.

### Do Zengo or 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 have ads?

Zengo shows ads; 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 does not.

### Which is updated more often, Zengo or 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜?

Zengo ships an update fortnightly, and 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 every 4 months. Most recently, Zengo was updated on October 10, 2026 and 視力回復+ 〜視力検査/ガボールパッチ/3Dテレオグラム〜 on October 12, 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.*