# Проверка зрения vs VIDAL

The clearest difference is update cadence: Проверка зрения at monthly against VIDAL's every 2 months. Проверка зрения also leads on iOS requirement (6.0 vs 11.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Проверка зрения ships an update monthly, VIDAL every 2 months. The most recent releases landed on June 25, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Проверка зрения | VIDAL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/i/id973400964/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 17 MB | 14 MB |
| Requires iOS | **6.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Oleksandr Lisogurskyi](https://appshunter.io/developer/969063593) | [Maksimilian Vlasenko](https://appshunter.io/developer/1137998691) |

## What reviewers say

### Проверка зрения

[App page](https://appshunter.io/ios/app/i/id973400964)

This app provides a quick and easy way to test your vision at home for adults and children. It uses recognized tests to help you monitor changes in your eyesight and encourages seeking professional help if results indicate a decline.

**Highlights:** Express vision tests, Adult and child modes, Easy to use interface, Monitors vision changes, Promotes professional consultation

**Features:** macOS Compatibility

**In-app purchases:** none


### VIDAL

[App page](https://appshunter.io/ios/app/vidal/id1138825459)

This medical reference app provides cardiologists with a comprehensive directory of cardiac medications. It features detailed drug descriptions, interaction checks, and allows users to save favorites and share information with patients and colleagues.

**Highlights:** Comprehensive drug directory, Detailed drug descriptions, Drug interaction checker, Save favorite medications, Latest medical news, Share information with patients/colleagues

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Проверка зрения free?

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

### Is VIDAL free?

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

### Do Проверка зрения or VIDAL have ads?

Neither Проверка зрения nor VIDAL shows ads.

### Which is updated more often, Проверка зрения or VIDAL?

Проверка зрения ships an update monthly, and VIDAL every 2 months. Most recently, Проверка зрения was updated on June 25, 2026 and VIDAL on June 5, 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.*