# LangSim vs XK0

The clearest difference is update cadence: LangSim at weekly against XK0's every 3 months. LangSim also leads on iOS requirement (13.0 vs 15.0). 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.

LangSim ships an update weekly, XK0 every 3 months. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | LangSim | XK0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/langsim-speak-german/id6747687411/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 64 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Betapilot](https://appshunter.io/developer/1753472049) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### LangSim

[App page](https://appshunter.io/ios/app/langsim-speak-german/id6747687411)

Practice German through realistic AI-powered conversations. Improve speaking, listening, and pronunciation with instant feedback and adaptive challenges. Master real-life scenarios from ordering food to job interviews.

**Highlights:** AI role-play for real conversations, Instant speaking and grammar feedback, CEFR-aligned progress tracking, Smart vocabulary and grammar review, Offline learning mode

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

**In-app purchases:** none


### XK0

[App page](https://appshunter.io/ios/app/xk0-006-linux-plus-admin-exam-prep/id6761316677)

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

**In-app purchases:** none


## Frequently asked questions

### Is LangSim free?

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

### Is XK0 free?

XK0 is free to download, with no in-app purchases.

### Do LangSim or XK0 have ads?

Neither LangSim nor XK0 shows ads.

### Which is updated more often, LangSim or XK0?

LangSim ships an update weekly, and XK0 every 3 months. Most recently, LangSim was updated on October 13, 2026 and XK0 on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*