# Zmongolbook vs ESAN MN

The clearest difference is update cadence: Zmongolbook at fortnightly against ESAN MN's monthly. Zmongolbook also leads on iOS requirement (12.0 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.

Zmongolbook ships an update fortnightly, ESAN MN monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zmongolbook | ESAN MN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/esan-mn/id1567548408/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Free |
| Size | 57 MB | 82 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [chaoge namujila](https://appshunter.io/developer/1551606661) | [Steppelink](https://appshunter.io/developer/1457917162) |

## What reviewers say

### Zmongolbook

[App page](https://appshunter.io/ios/app/zmongolbook/id1562552502)

**Features:** macOS Compatibility

**In-app purchases:** none


### ESAN MN

[App page](https://appshunter.io/ios/app/esan-mn/id1567548408)

Access a vast library of eBooks, audiobooks, research papers, and magazines from any internet-connected device. Enjoy offline reading, smart search, and curated reading packages for unlimited access.

**Highlights:** eBooks and Audiobooks, Research papers and academic works, Offline mode for downloaded content, Smart search functionality, Researcher's corner for notes and citations, Reading packages for unlimited access

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

**In-app purchases:** none


## Frequently asked questions

### Is Zmongolbook free?

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

### Is ESAN MN free?

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

### Do Zmongolbook or ESAN MN have ads?

Neither Zmongolbook nor ESAN MN shows ads.

### Which is updated more often, Zmongolbook or ESAN MN?

Zmongolbook ships an update fortnightly, and ESAN MN monthly. Most recently, Zmongolbook was updated on October 27, 2026 and ESAN MN on October 24, 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.*