# Vision Training & Eye Exercise vs Ystick

The clearest difference is in-app purchases: Ystick at none against Vision Training & Eye Exercise's 3. Ystick also leads on ads (none vs shown) and iOS requirement (13.4 vs 15.0). Vision Training & Eye Exercise's advantage is update cadence (weekly vs every 8 months). On price and device support there is nothing between them.

Both are free to download. Vision Training & Eye Exercise sells 3 in-app purchases, starting at $4.99 per 7 days. Ystick asks for nothing beyond the download.

Vision Training & Eye Exercise ships an update weekly, Ystick every 8 months. The most recent releases landed on August 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Vision Training & Eye Exercise | Ystick |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (299 ratings)](https://appshunter.io/ios/app/vision-training-and-eye-exercise/id1471943589/reviews)** | — |
| Number of ratings | **299** | — |
| Positive reviews | 64.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 378 MB | 13 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Optics Trainer LLC](https://appshunter.io/developer/898519375) | [学斌 赵](https://appshunter.io/developer/1514555505) |

## What reviewers say

### Vision Training & Eye Exercise

[App page](https://appshunter.io/ios/app/vision-training-and-eye-exercise/id1471943589)

Enhance your visual skills with a variety of engaging games and personalized daily workouts. Improve convergence, divergence, stereo acuity, and binocular fusion. Test and strengthen visual memory, tracking, and peripheral vision for sharper focus.

**Highlights:** Vision therapy and training, 28+ engaging games, Personalized daily workouts, Improve convergence and divergence, Enhance stereo acuity and binocular fusion, Test visual memory and tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $14.99 | per month |
| Annual Subscription | $149.99 | per year |


### Ystick

[App page](https://appshunter.io/ios/app/ystick/id6450828369)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vision Training & Eye Exercise free?

Vision Training & Eye Exercise is free to download, with in-app purchases available.

### Is Ystick free?

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

### Do Vision Training & Eye Exercise or Ystick have ads?

Vision Training & Eye Exercise shows ads; Ystick does not.

### Which is updated more often, Vision Training & Eye Exercise or Ystick?

Vision Training & Eye Exercise ships an update weekly, and Ystick every 8 months. Most recently, Vision Training & Eye Exercise was updated on August 26, 2026 and Ystick 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.*