# NKE vs MeRSZ

The clearest difference is in-app purchases: NKE at none against MeRSZ's 1. NKE also leads on iOS requirement (11.0 vs 13.0). MeRSZ's advantage is update cadence (every 4 months vs every 37 months). On price, ads and device support there is nothing between them.

Both are free to download. MeRSZ sells 1 in-app purchase, starting at $39.99 per year. NKE asks for nothing beyond the download.

NKE ships an update every 37 months, MeRSZ every 4 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NKE | MeRSZ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 4 months** |
| Monetization | — | Subscription |
| Size | 37 MB | 44 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MTA SZTAKI](https://appshunter.io/developer/381282454) | [Akadémiai Kiadó Zrt.](https://appshunter.io/developer/497344041) |

## What reviewers say

### NKE

[App page](https://appshunter.io/ios/app/nke-vtk-vdt/id1001107117)

**Features:** macOS Compatibility

**In-app purchases:** none


### MeRSZ

[App page](https://appshunter.io/ios/app/mersz/id1419701352)

Access a vast online library of scholarly books, textbooks, and reference materials across numerous subject areas. Read, browse, bookmark, cite, and download content for offline use on any device. The collection is regularly updated with new titles.

**Highlights:** Access hundreds of scholarly books, Search deep structured content, Create bookmarks and notes, Download books for offline reading, Filter by subject, Copy and print text, Cite in multiple styles

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MeRSZ csomag | $39.99 | per year |


## Frequently asked questions

### Is NKE free?

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

### Is MeRSZ free?

MeRSZ is free to download, with in-app purchases available.

### Do NKE or MeRSZ have ads?

Neither NKE nor MeRSZ shows ads.

### Which is updated more often, NKE or MeRSZ?

NKE ships an update every 37 months, and MeRSZ every 4 months. Most recently, NKE was updated on October 29, 2026 and MeRSZ 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.*