# IPTRONIC PRO vs Кортрос Ключи

The clearest difference is update cadence: Кортрос Ключи at every 3 weeks against IPTRONIC PRO's every 12 months. IPTRONIC PRO's advantage is iOS requirement (13.0 vs 15.6). 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.

IPTRONIC PRO ships an update every 12 months, Кортрос Ключи every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IPTRONIC PRO | Кортрос Ключи |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 76 MB | 58 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vadim Volk](https://appshunter.io/developer/1353483803) | [СКБ Техно](https://appshunter.io/developer/1746087258) |

## What reviewers say

### IPTRONIC PRO

[App page](https://appshunter.io/ios/app/iptronic-pro/id6748102308)

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

**In-app purchases:** none


### Кортрос Ключи

[App page](https://appshunter.io/ios/app/id6785784562)

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

**In-app purchases:** none


## Frequently asked questions

### Is IPTRONIC PRO free?

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

### Is Кортрос Ключи free?

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

### Do IPTRONIC PRO or Кортрос Ключи have ads?

Neither IPTRONIC PRO nor Кортрос Ключи shows ads.

### Which is updated more often, IPTRONIC PRO or Кортрос Ключи?

IPTRONIC PRO ships an update every 12 months, and Кортрос Ключи every 3 weeks. Most recently, IPTRONIC PRO was updated on October 30, 2026 and Кортрос Ключи on October 31, 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.*