# IDS JMK Poseidon vs #Assen

The clearest difference is update cadence: #Assen at monthly against IDS JMK Poseidon's every 7 months. IDS JMK Poseidon's advantage is iOS requirement (16.0 vs 18.0). 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.

IDS JMK Poseidon ships an update every 7 months, #Assen monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IDS JMK Poseidon | #Assen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ids-jmk-poseidon/id871192147/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | — |
| Size | 43 MB | 23 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [KORDIS JMK, a.s.](https://appshunter.io/developer/1496810200) | [Mediabureau Apeldoorn BV](https://appshunter.io/developer/1676107741) |

## What reviewers say

### IDS JMK Poseidon

[App page](https://appshunter.io/ios/app/ids-jmk-poseidon/id871192147)

This app allows you to purchase single-use tickets for public transport in Brno and the South Moravian Region. It offers discounted fares with loaded credit and includes a journey planner with real-time departure data. Tickets are stored as QR codes on your phone for easy validation.

**Highlights:** Purchase single-use tickets, Discounted fares with credit, Journey planner with real-time data, QR code ticket storage, Save favorite routes and stops, Supports group and special tickets

**Features:** macOS Compatibility

**In-app purchases:** none


### #Assen

[App page](https://appshunter.io/ios/app/assen/id6747352357)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IDS JMK Poseidon free?

IDS JMK Poseidon is free to download, with no in-app purchases.

### Is #Assen free?

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

### Do IDS JMK Poseidon or #Assen have ads?

Neither IDS JMK Poseidon nor #Assen shows ads.

### Which is updated more often, IDS JMK Poseidon or #Assen?

IDS JMK Poseidon ships an update every 7 months, and #Assen monthly. Most recently, IDS JMK Poseidon was updated on October 26, 2026 and #Assen on October 25, 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.*