# Amblyopia Exercise vs Proof

The clearest difference is update cadence: Proof at every 3 days against Amblyopia Exercise's monthly. Amblyopia Exercise's advantage is device support (3 vs 1) and iOS requirement (16 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Amblyopia Exercise sells 3 in-app purchases, starting at $9.99 per month and Proof sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Amblyopia Exercise ships an update monthly, Proof every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Amblyopia Exercise | Proof |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 19 MB |
| Requires iOS | **16** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [灿耿 陈](https://appshunter.io/developer/1688324562) | [James McKinney](https://appshunter.io/developer/1855741871) |

## What reviewers say

### 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 |


### Proof

[App page](https://appshunter.io/ios/app/proof-positive-affirmations/id6790618224)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proof Premium Weekly | $6.99 | per 7 days |
| Proof Premium Annual Offer | $24.99 | per year |
| Proof Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Amblyopia Exercise free?

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

### Is Proof free?

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

### Do Amblyopia Exercise or Proof have ads?

Neither Amblyopia Exercise nor Proof shows ads.

### Which is updated more often, Amblyopia Exercise or Proof?

Amblyopia Exercise ships an update monthly, and Proof every 3 days. Most recently, Amblyopia Exercise was updated on November 5, 2026 and Proof on October 31, 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.*