# LUA AI vs LangSim

LUA AI and LangSim are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LUA AI ships an update every 11 days, LangSim weekly. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LUA AI | LangSim |
| --- | --- | --- |
| 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 | Every 11 days | **Weekly** |
| Monetization | — | Free |
| Size | 73 MB | 64 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [GLOBOSOFT TECHNOLOGY SOLUTIONS](https://appshunter.io/developer/1265392408) | [Betapilot](https://appshunter.io/developer/1753472049) |

## What reviewers say

### LUA AI

[App page](https://appshunter.io/ios/app/lua-ai-german/id6741326157)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is LUA AI free?

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

### Is LangSim free?

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

### Do LUA AI or LangSim have ads?

Neither LUA AI nor LangSim shows ads.

### Which is updated more often, LUA AI or LangSim?

LUA AI ships an update every 11 days, and LangSim weekly. Most recently, LUA AI was updated on September 23, 2026 and LangSim on September 10, 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.*