# MindKoi vs ОфтальмоЛек

The clearest difference is in-app purchases: ОфтальмоЛек at none against MindKoi's 2. MindKoi's advantage is update cadence (every 10 days vs every 4 weeks). On ads, device support and iOS requirement there is nothing between them.

MindKoi ships an update every 10 days, ОфтальмоЛек every 4 weeks. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | MindKoi | ОфтальмоЛек |
| --- | --- | --- |
| Price | **Free** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 4 weeks |
| Size | 18 MB | 22 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pavel Kazlou](https://appshunter.io/developer/1462519810) | [Sergey Leleko](https://appshunter.io/developer/6816879426) |

## What reviewers say

### MindKoi

[App page](https://appshunter.io/ios/app/mindkoi-study-smarter-and-learn/id6751173393)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus | $9.99 | per month |
| Annual Plus | $44.99 | per year |


### ОфтальмоЛек

[App page](https://appshunter.io/ios/app/id6816879424)

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

**In-app purchases:** none


## Frequently asked questions

### Is MindKoi free?

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

### Is ОфтальмоЛек free?

Pricing for ОфтальмоЛек is not currently listed on the App Store.

### Do MindKoi or ОфтальмоЛек have ads?

Neither MindKoi nor ОфтальмоЛек shows ads.

### Which is updated more often, MindKoi or ОфтальмоЛек?

MindKoi ships an update every 10 days, and ОфтальмоЛек every 4 weeks. Most recently, MindKoi was updated on October 30, 2026 and ОфтальмоЛек on November 10, 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.*