# PDD Study vs ПДД Знаки Казахстан

The clearest difference is ads: PDD Study at none against ПДД Знаки Казахстан's shown. PDD Study also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PDD Study sells 2 in-app purchases, starting at $5.99 per month and ПДД Знаки Казахстан sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PDD Study ships an update every 2 weeks, ПДД Знаки Казахстан fortnightly. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PDD Study | ПДД Знаки Казахстан |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 66 MB | 73 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Almaz Alekeev](https://appshunter.io/developer/1844773385) | [Sayat Seideraly](https://appshunter.io/developer/1773950447) |

## What reviewers say

### PDD Study

[App page](https://appshunter.io/ios/app/pdd-study/id6753738135)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ПДД Pro | $5.99 | per month |
| ПДД Про | $9.99 | per 3 months |


### ПДД Знаки Казахстан

[App page](https://appshunter.io/ios/app/id6791504613)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Без рекламы • 1 месяц | $2.99 | per month |
| Без рекламы • 1 год | $2.99 | per year |
| Без рекламы навсегда | $6.99 | one-time |


## Frequently asked questions

### Is PDD Study free?

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

### Is ПДД Знаки Казахстан free?

ПДД Знаки Казахстан is free to download, with in-app purchases available.

### Do PDD Study or ПДД Знаки Казахстан have ads?

ПДД Знаки Казахстан shows ads; PDD Study does not.

### Which is updated more often, PDD Study or ПДД Знаки Казахстан?

PDD Study ships an update every 2 weeks, and ПДД Знаки Казахстан fortnightly. Most recently, PDD Study was updated on September 9, 2026 and ПДД Знаки Казахстан on September 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.*