# Монголын Цахим Институт vs ott.mn

The clearest difference is update cadence: ott.mn at every 3 weeks against Монголын Цахим Институт's every 4 months. Монголын Цахим Институт's advantage is iOS requirement (13.0 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.

Монголын Цахим Институт ships an update every 4 months, ott.mn every 3 weeks. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Монголын Цахим Институт | ott.mn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 56 MB | 83 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Efficient Way](https://appshunter.io/developer/1630740468) | [ECM LLC](https://appshunter.io/developer/1434515342) |

## What reviewers say

### Монголын Цахим Институт

[App page](https://appshunter.io/ios/app/id6449445119)

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

**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 Монголын Цахим Институт free?

Монголын Цахим Институт 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 Монголын Цахим Институт or ott.mn have ads?

Neither Монголын Цахим Институт nor ott.mn shows ads.

### Which is updated more often, Монголын Цахим Институт or ott.mn?

Монголын Цахим Институт ships an update every 4 months, and ott.mn every 3 weeks. Most recently, Монголын Цахим Институт was updated on October 3, 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.*