# QDot Studies vs Amblyopia Exercise

The clearest difference is in-app purchases: QDot Studies at none against Amblyopia Exercise's 3. Amblyopia Exercise's advantage is update cadence (monthly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Amblyopia Exercise sells 3 in-app purchases, starting at $9.99 per month. QDot Studies asks for nothing beyond the download.

QDot Studies ships an update every 6 months, Amblyopia Exercise monthly. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | QDot Studies | Amblyopia Exercise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amblyopia-exercise-lazy-eye/id6747434405/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 72 MB | 18 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maastricht University](https://appshunter.io/developer/1200783829) | [灿耿 陈](https://appshunter.io/developer/1688324562) |

## What reviewers say

### QDot Studies

[App page](https://appshunter.io/ios/app/qdot-studies/id1545409890)

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

**In-app purchases:** none


### Amblyopia Exercise

[App page](https://appshunter.io/ios/app/amblyopia-exercise-lazy-eye/id6747434405)

This vision training app uses Gabor Patch and dynamic grating technology for scientific eye exercises. It offers over 30 training modes with personalized difficulty and real-time feedback to help improve amblyopia and support eye health. Start your journey to clearer vision in just minutes a day.

**Highlights:** Gabor Patch Technology, Dynamic Grating Technology, Over 30 Training Modes, Personalized Difficulty, Real-time Feedback, Smart Tracking of Progress

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $59.99 | per year |
| Lifetime Membership | $149.99 | one-time |


## Frequently asked questions

### Is QDot Studies free?

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

### Is Amblyopia Exercise free?

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

### Do QDot Studies or Amblyopia Exercise have ads?

Neither QDot Studies nor Amblyopia Exercise shows ads.

### Which is updated more often, QDot Studies or Amblyopia Exercise?

QDot Studies ships an update every 6 months, and Amblyopia Exercise monthly. Most recently, QDot Studies was updated on October 12, 2026 and Amblyopia Exercise on October 8, 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.*