# Baly4Docs vs Krok

The clearest difference is update cadence: Krok at every 3 weeks against Baly4Docs's every 4 months. Krok also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Baly4Docs sells 1 in-app purchase, starting at $9.99 per year and Krok sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Baly4Docs ships an update every 4 months, Krok every 3 weeks. The most recent releases landed on September 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Baly4Docs | Krok |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/krok-testing/id6469338819/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 77 MB | 24 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [MEDYCHNY TSENTR TSYTOS, TOV](https://appshunter.io/developer/1601860983) | [Anatoly Sorochan](https://appshunter.io/developer/972443742) |

## What reviewers say

### Baly4Docs

[App page](https://appshunter.io/ios/app/baly4docs/id1601860981)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Підписка на додаток Baly4Docs | $9.99 | per year |


### Krok

[App page](https://appshunter.io/ios/app/krok-testing/id6469338819)

Prepare for KROK exams with a comprehensive testing application. Access a vast library of questions across various categories and topics to enhance your knowledge. Track your progress with interactive tests and assess your understanding effectively.

**Highlights:** Wide selection of KROK exam tests, Large number of questions, Category and topic selection, Interactive tests, Progress tracking, Knowledge assessment

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $1.99 | per month |
| 3 months | $4.99 | per 3 months |
| 6 months | $7.99 | per 6 months |


## Frequently asked questions

### Is Baly4Docs free?

Baly4Docs is free to download, with in-app purchases available.

### Is Krok free?

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

### Which is updated more often, Baly4Docs or Krok?

Baly4Docs ships an update every 4 months, and Krok every 3 weeks. Most recently, Baly4Docs was updated on September 6, 2026 and Krok on September 23, 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.*