# CADSYS vs K

The clearest difference is update cadence: K at every 3 weeks against CADSYS's every 2 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.

CADSYS ships an update every 2 months, K every 3 weeks. The most recent releases landed on May 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CADSYS | K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 30 MB | 41 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RGB Innovation Ltd.](https://appshunter.io/developer/903640004) | [KROMA TOWER CONDOMINIUM CORPORATION](https://appshunter.io/developer/1838943192) |

## What reviewers say

### CADSYS

[App page](https://appshunter.io/ios/app/cadsys/id903640001)

**Features:** macOS Compatibility

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-ease-mobile/id6752340676)

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

**In-app purchases:** none


## Frequently asked questions

### Is CADSYS free?

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

### Is K free?

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

### Do CADSYS or K have ads?

Neither CADSYS nor K shows ads.

### Which is updated more often, CADSYS or K?

CADSYS ships an update every 2 months, and K every 3 weeks. Most recently, CADSYS was updated on May 16, 2026 and K on September 10, 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.*