# e vs ott.mn

The clearest difference is update cadence: e at every 4 days against ott.mn's every 3 weeks. e also leads on iOS requirement (11.0 vs 15.6). 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.

e ships an update every 4 days, ott.mn every 3 weeks. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | e | ott.mn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/e-taz/id1558249004/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 55 MB | 83 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Leader Vision](https://appshunter.io/developer/1558249006) | [ECM LLC](https://appshunter.io/developer/1434515342) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-taz/id1558249004)

This mobile application provides practice tests and reading materials for individuals preparing for civil service exams. It offers a convenient way to study and test knowledge on the go.

**Highlights:** Practice tests, Reading materials, Civil service exam preparation, Mobile study tool

**Features:** macOS Compatibility

**In-app purchases:** none


### ott.mn

[App page](https://appshunter.io/ios/app/ottmn/id6478199128)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is ott.mn free?

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

### Do e or ott.mn have ads?

Neither e nor ott.mn shows ads.

### Which is updated more often, e or ott.mn?

e ships an update every 4 days, and ott.mn every 3 weeks. Most recently, e was updated on October 10, 2026 and ott.mn on October 5, 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.*