# E vs Khar Devter

The clearest difference is iOS requirement: E at 13.0 against Khar Devter's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on June 11, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | E | Khar Devter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 21 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Ulaanbaatar Railway, Mongolian-Russian JVC](https://appshunter.io/developer/1273656008) | [Erdenebold Bilegdemberel](https://appshunter.io/developer/1760950987) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-normative/id6470155996)

**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 E free?

E 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 E or Khar Devter have ads?

Neither E nor Khar Devter shows ads.

### Which is updated more often, E or Khar Devter?

E ships an update every 3 months, and Khar Devter every 3 months. Most recently, E was updated on June 11, 2026 and Khar Devter on May 19, 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.*