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

The clearest difference is in-app purchases: 視力回復 〜視力検査/ガボールパッチ/3Dテレオグラム〜 at none against Brisk Timer's 1. 視力回復 〜視力検査/ガボールパッチ/3Dテレオグラム〜 also leads on iOS requirement (13.0 vs 15.0). Brisk Timer's advantage is ads (none vs shown) and update cadence (every 9 days vs every 4 weeks). On price and device support there is nothing between them.

Both are free to download. Brisk Timer sells 1 in-app purchase, starting at $19.99 per year. 視力回復 〜視力検査/ガボールパッチ/3Dテレオグラム〜 asks for nothing beyond the download.

視力回復 〜視力検査/ガボールパッチ/3Dテレオグラム〜 ships an update every 4 weeks, Brisk Timer every 9 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 視力回復 〜視力検査/ガボールパッチ/3Dテレオグラム〜 | Brisk Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 90 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Sasaki](https://appshunter.io/developer/1291219090) | [Shigeki Hirano](https://appshunter.io/developer/1662061963) |

## What reviewers say

### 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/3d/id1581232931)

This app offers vision tests and training exercises to improve eyesight. It includes Gabor patch games and 3D stereogram images for at-home vision recovery. Ideal for quick eye checks and improving vision in your spare time.

**Highlights:** Vision testing, Gabor patch games for vision recovery, 3D stereogram images, Train vision in spare time, Eye health exercises

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

**In-app purchases:** none


### Brisk Timer

[App page](https://appshunter.io/ios/app/brisk-timer/id6782548545)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Yearly) | $19.99 | per year |


## Frequently asked questions

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

### Is Brisk Timer free?

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

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

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

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

視力回復 〜視力検査/ガボールパッチ/3Dテレオグラム〜 ships an update every 4 weeks, and Brisk Timer every 9 days. Most recently, 視力回復 〜視力検査/ガボールパッチ/3Dテレオグラム〜 was updated on October 7, 2026 and Brisk Timer on October 6, 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.*