# Улаанбаатар Инженеринг vs Khar Devter

The clearest difference is update cadence: Улаанбаатар Инженеринг at every 10 days against Khar Devter's every 3 months. Улаанбаатар Инженеринг also leads on 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.

Улаанбаатар Инженеринг ships an update every 10 days, Khar Devter every 3 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Улаанбаатар Инженеринг | Khar Devter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 45 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Khan Khulgun LLC](https://appshunter.io/developer/1549621655) | [Erdenebold Bilegdemberel](https://appshunter.io/developer/1760950987) |

## What reviewers say

### Улаанбаатар Инженеринг

[App page](https://appshunter.io/ios/app/id6467168861)

**Features:** macOS Compatibility

**In-app purchases:** none


### Khar Devter

[App page](https://appshunter.io/ios/app/khar-devter/id6602898955)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Улаанбаатар Инженеринг free?

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

### Is Khar Devter free?

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

### Do Улаанбаатар Инженеринг or Khar Devter have ads?

Neither Улаанбаатар Инженеринг nor Khar Devter shows ads.

### Which is updated more often, Улаанбаатар Инженеринг or Khar Devter?

Улаанбаатар Инженеринг ships an update every 10 days, and Khar Devter every 3 months. Most recently, Улаанбаатар Инженеринг was updated on September 9, 2026 and Khar Devter on September 15, 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.*