# Esztergom vs CBS Map Explorer

The clearest difference is update cadence: Esztergom at every 3 months against CBS Map Explorer's every 8 months. Esztergom also leads on iOS requirement (9.3 vs 12.4). 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.

Esztergom ships an update every 3 months, CBS Map Explorer every 8 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Esztergom | CBS Map Explorer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Size | 50 MB | 31 MB |
| Requires iOS | **9.3** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MTA SZTAKI](https://appshunter.io/developer/381282454) | [CBS spol, s.r.o.](https://appshunter.io/developer/1667885632) |

## What reviewers say

### Esztergom

[App page](https://appshunter.io/ios/app/esztergom/id532205355)

**Features:** macOS Compatibility

**In-app purchases:** none


### CBS Map Explorer

[App page](https://appshunter.io/ios/app/cbs-map-explorer/id1667885630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Esztergom free?

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

### Is CBS Map Explorer free?

CBS Map Explorer is free to download, with no in-app purchases.

### Do Esztergom or CBS Map Explorer have ads?

Neither Esztergom nor CBS Map Explorer shows ads.

### Which is updated more often, Esztergom or CBS Map Explorer?

Esztergom ships an update every 3 months, and CBS Map Explorer every 8 months. Most recently, Esztergom was updated on October 4, 2026 and CBS Map Explorer on October 7, 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.*