# STK Ostrava vs Dvojka

The clearest difference is update cadence: Dvojka at monthly against STK Ostrava's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

STK Ostrava ships an update every 3 months, Dvojka monthly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | STK Ostrava | Dvojka |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 72 MB | 92 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digitalni panely s.r.o.](https://appshunter.io/developer/1458270107) | [Městská část Praha 2](https://appshunter.io/developer/1459230367) |

## What reviewers say

### STK Ostrava

[App page](https://appshunter.io/ios/app/stk-ostrava/id1592010324)

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

**In-app purchases:** none


### Dvojka

[App page](https://appshunter.io/ios/app/dvojka/id6749363003)

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

**In-app purchases:** none


## Frequently asked questions

### Is STK Ostrava free?

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

### Is Dvojka free?

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

### Do STK Ostrava or Dvojka have ads?

Neither STK Ostrava nor Dvojka shows ads.

### Which is updated more often, STK Ostrava or Dvojka?

STK Ostrava ships an update every 3 months, and Dvojka monthly. Most recently, STK Ostrava was updated on November 7, 2026 and Dvojka on November 8, 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.*