# DECOM vs KOC Master

The clearest difference is update cadence: KOC Master at monthly against DECOM's every 4 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.

DECOM ships an update every 4 months, KOC Master monthly. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | DECOM | KOC Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 174 MB | 30 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dstore](https://appshunter.io/developer/1480184489) | [VIETNAM - VINATEKS TECHNOLOGY CORPORATION](https://appshunter.io/developer/1560838170) |

## What reviewers say

### DECOM

[App page](https://appshunter.io/ios/app/decom/id6514327250)

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

**In-app purchases:** none


### KOC Master

[App page](https://appshunter.io/ios/app/koc-master/id6796763291)

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

**In-app purchases:** none


## Frequently asked questions

### Is DECOM free?

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

### Is KOC Master free?

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

### Do DECOM or KOC Master have ads?

Neither DECOM nor KOC Master shows ads.

### Which is updated more often, DECOM or KOC Master?

DECOM ships an update every 4 months, and KOC Master monthly. Most recently, DECOM was updated on September 29, 2026 and KOC Master on September 30, 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.*