# IDS JMK Poseidon vs Essential Phrases Language

The clearest difference is in-app purchases: IDS JMK Poseidon at none against Essential Phrases Language's 10. IDS JMK Poseidon also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.4). On price, update cadence and device support there is nothing between them.

Both are free to download. Essential Phrases Language sells 10 one-off in-app purchases. IDS JMK Poseidon asks for nothing beyond the download.

IDS JMK Poseidon ships an update every 7 months, Essential Phrases Language every 9 months. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IDS JMK Poseidon | Essential Phrases Language |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ids-jmk-poseidon/id871192147/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Free | — |
| Size | 43 MB | 11 MB |
| Requires iOS | **16.0** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KORDIS JMK, a.s.](https://appshunter.io/developer/1496810200) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## 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


### Essential Phrases Language

[App page](https://appshunter.io/ios/app/essential-phrases-language/id6747888894)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Chinese | $0.99 | one-time |
| Unlock Korean | $0.99 | one-time |
| Unlock Turkish | $0.99 | one-time |
| Unlock Hebrew | $0.99 | one-time |
| Unlock Portuguese | $0.99 | one-time |
| Unlock Greek | $0.99 | one-time |
| Unlock Russian | $0.99 | one-time |
| Unlock Hindi | $0.99 | one-time |
| Unlock Arabic | $0.99 | one-time |
| Unlock All Languages | $3.99 | one-time |


## Frequently asked questions

### Is IDS JMK Poseidon free?

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

### Is Essential Phrases Language free?

Essential Phrases Language is free to download, with in-app purchases available.

### Do IDS JMK Poseidon or Essential Phrases Language have ads?

Essential Phrases Language shows ads; IDS JMK Poseidon does not.

### Which is updated more often, IDS JMK Poseidon or Essential Phrases Language?

IDS JMK Poseidon ships an update every 7 months, and Essential Phrases Language every 9 months. Most recently, IDS JMK Poseidon was updated on October 19, 2026 and Essential Phrases Language on October 13, 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.*