# VJAA vs WMS khoserver

The clearest difference is update cadence: WMS khoserver at every 6 days against VJAA's every 3 weeks. WMS khoserver also leads on iOS requirement (11.0 vs 18.0). 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.

VJAA ships an update every 3 weeks, WMS khoserver every 6 days. The most recent releases landed on September 14, 2026 and February 25, 2026 respectively.

## The numbers

| Metric | VJAA | WMS khoserver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 46 MB | 35 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Viet Hung Nguyen](https://appshunter.io/developer/528206314) | [Dang Vo Quang Lieu](https://appshunter.io/developer/1712988213) |

## What reviewers say

### VJAA

[App page](https://appshunter.io/ios/app/vjaa/id6443827185)

**Features:** macOS Compatibility

**In-app purchases:** none


### WMS khoserver

[App page](https://appshunter.io/ios/app/wms-khoserver/id6471795626)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VJAA free?

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

### Is WMS khoserver free?

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

### Do VJAA or WMS khoserver have ads?

Neither VJAA nor WMS khoserver shows ads.

### Which is updated more often, VJAA or WMS khoserver?

VJAA ships an update every 3 weeks, and WMS khoserver every 6 days. Most recently, VJAA was updated on September 14, 2026 and WMS khoserver on February 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.*