# Stud.kz vs PDD QR

The clearest difference is update cadence: Stud.kz at every 11 days against PDD QR's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stud.kz sells 10 in-app purchases, starting at $1.99 per month and PDD QR sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Stud.kz ships an update every 11 days, PDD QR monthly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Stud.kz | PDD QR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 44 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ISKAKOV RAUAN ORAZGALIEVICH, IP](https://appshunter.io/developer/1602187455) | [Asylzhan Salimkhan](https://appshunter.io/developer/1088922611) |

## What reviewers say

### Stud.kz

[App page](https://appshunter.io/ios/app/studkz/id1602187453)

Access educational materials in various formats, including Word and PDF. Save notes, listen to audio content, and engage in discussions with peers and educators. Utilize AI guidance and quizzes to enhance your learning journey.

**Highlights:** Search and download educational materials, Read and listen to content, Save notes, In-app chat with teachers and friends, AI-powered learning path guidance, Interactive quizzes

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription for 30 days | $1.99 | per month |
| SUBSCRPTION FOR 30 DAYS | $1.99 | per month |
| Subscription For 90 days | $4.99 | per 3 months |
| Subscription For 180 days | $9.99 | per 6 months |
| Пополнить баланс на 500 | $0.99 | one-time |
| Пополнить баланс на 1000 | $1.99 | one-time |
| Пополнить баланс на 1500 | $2.99 | one-time |
| Пополнить баланс на 2000 | $3.99 | one-time |
| Пополнить баланс на 2500 | $4.99 | one-time |
| Пополнить баланс на 3500 | $6.99 | one-time |


### PDD QR

[App page](https://appshunter.io/ios/app/pdd-qr/id6738917628)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Plan | $2.99 | per month |


## Frequently asked questions

### Is Stud.kz free?

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

### Is PDD QR free?

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

### Do Stud.kz or PDD QR have ads?

Neither Stud.kz nor PDD QR shows ads.

### Which is updated more often, Stud.kz or PDD QR?

Stud.kz ships an update every 11 days, and PDD QR monthly. Most recently, Stud.kz was updated on October 9, 2026 and PDD QR on October 1, 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.*