# ST+ Project vs РК

The clearest difference is update cadence: ST+ Project at every 2 months against РК's every 7 months. ST+ Project also leads on iOS requirement (9.0 vs 11.0). 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.

ST+ Project ships an update every 2 months, РК every 7 months. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ST+ Project | РК |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 13 MB | 18 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IST TREID, OOO](https://appshunter.io/developer/1483021309) | [ООО "Стек-ИТ"](https://appshunter.io/developer/1096073865) |

## What reviewers say

### ST+ Project

[App page](https://appshunter.io/ios/app/st-plus-project/id1641417332)

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

**In-app purchases:** none


### РК

[App page](https://appshunter.io/ios/app/id6449813719)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ST+ Project free?

ST+ Project is free to download, with no in-app purchases.

### Is РК free?

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

### Do ST+ Project or РК have ads?

Neither ST+ Project nor РК shows ads.

### Which is updated more often, ST+ Project or РК?

ST+ Project ships an update every 2 months, and РК every 7 months. Most recently, ST+ Project was updated on September 28, 2026 and РК on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*