# ECMS System vs Desuung

The clearest difference is update cadence: Desuung at every 3 days against ECMS System's every 6 weeks. ECMS System's advantage is iOS requirement (13.0 vs 15.5). 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.

ECMS System ships an update every 6 weeks, Desuung every 3 days. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ECMS System | Desuung |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 34 MB | 72 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Q3logics](https://appshunter.io/developer/1621019372) | [G2C Office, Royal Government of Bhutan](https://appshunter.io/developer/1148844615) |

## What reviewers say

### ECMS System

[App page](https://appshunter.io/ios/app/ecms-system/id1621019370)

**Features:** macOS Compatibility

**In-app purchases:** none


### Desuung

[App page](https://appshunter.io/ios/app/desuung/id6758596760)

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

**In-app purchases:** none


## Frequently asked questions

### Is ECMS System free?

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

### Is Desuung free?

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

### Do ECMS System or Desuung have ads?

Neither ECMS System nor Desuung shows ads.

### Which is updated more often, ECMS System or Desuung?

ECMS System ships an update every 6 weeks, and Desuung every 3 days. Most recently, ECMS System was updated on October 7, 2026 and Desuung on October 13, 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.*