# ktg.pl vs Hydrolink Mobile

The clearest difference is update cadence: Hydrolink Mobile at every 6 weeks against ktg.pl's every 10 months. ktg.pl's advantage is iOS requirement (13.0 vs 15.1). 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.

ktg.pl ships an update every 10 months, Hydrolink Mobile every 6 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ktg.pl | Hydrolink Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Size | 4 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Klima-Therm](https://appshunter.io/developer/1373648746) | [B METERS s.r.l.](https://appshunter.io/developer/1886728340) |

## What reviewers say

### ktg.pl

[App page](https://appshunter.io/ios/app/ktgpl/id1373648747)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hydrolink Mobile

[App page](https://appshunter.io/ios/app/hydrolink-mobile/id6760905061)

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

**In-app purchases:** none


## Frequently asked questions

### Is ktg.pl free?

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

### Is Hydrolink Mobile free?

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

### Do ktg.pl or Hydrolink Mobile have ads?

Neither ktg.pl nor Hydrolink Mobile shows ads.

### Which is updated more often, ktg.pl or Hydrolink Mobile?

ktg.pl ships an update every 10 months, and Hydrolink Mobile every 6 weeks. Most recently, ktg.pl was updated on October 26, 2026 and Hydrolink Mobile on October 25, 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.*