# 스테이지나인 vs Mandarin AI

The clearest difference is update cadence: Mandarin AI at every 4 days against 스테이지나인's every 2 weeks. 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.

스테이지나인 ships an update every 2 weeks, Mandarin AI every 4 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 스테이지나인 | Mandarin AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mandarin-ai/id6474771912/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 3 MB | 33 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stage9 Corp.](https://appshunter.io/developer/1437057901) | [kargnas](https://appshunter.io/developer/497688348) |

## What reviewers say

### 스테이지나인

[App page](https://appshunter.io/ios/app/stage9/id1437057902)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mandarin AI

[App page](https://appshunter.io/ios/app/mandarin-ai/id6474771912)

This app simplifies learning languages that lack spaces, like Mandarin and Japanese, by breaking down complex sentences into understandable fragments. It supports multiple East Asian languages and offers AI model selection for a personalized learning experience.

**Highlights:** Sentence decompilation for complex languages, Multi-language support (Mandarin, Cantonese, Korean, Japanese), AI model selection for personalized learning, User-friendly interface, Vocabulary expansion, Cultural context learning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 스테이지나인 free?

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

### Is Mandarin AI free?

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

### Do 스테이지나인 or Mandarin AI have ads?

Neither 스테이지나인 nor Mandarin AI shows ads.

### Which is updated more often, 스테이지나인 or Mandarin AI?

스테이지나인 ships an update every 2 weeks, and Mandarin AI every 4 days. Most recently, 스테이지나인 was updated on November 2, 2026 and Mandarin AI on November 4, 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.*