# Chiffre vs INYU

The clearest difference is in-app purchases: Chiffre at none against INYU's 4. Chiffre also leads on device support. INYU's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 17.0). On price there is nothing between them.

Both are free to download. INYU sells 4 in-app purchases, starting at $9.99 per month. Chiffre asks for nothing beyond the download.

Chiffre ships an update every 2 months, INYU every 2 weeks. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Chiffre | INYU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/inyu-immersive-language-space/id6761154760/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 83 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [峥 张](https://appshunter.io/developer/1862645298) | [筠尧 吴](https://appshunter.io/developer/1887098282) |

## What reviewers say

### Chiffre

[App page](https://appshunter.io/ios/app/chiffre/id6757078975)

**Features:** macOS Compatibility

**In-app purchases:** none


### INYU

[App page](https://appshunter.io/ios/app/inyu-immersive-language-space/id6761154760)

This app offers an immersive language learning experience powered by AI. It focuses on communication and understanding through real-time expression refinement and personalized quizzes. Engage in deep discussions, create stories, and build your personal expression bank.

**Highlights:** AI-powered language learning, Immersive communication space, Real-time expression refinement, Personal expression bank, Interactive quizzes, Storytelling and discussion modules

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| INYU GLOW Monthly | $9.99 | per month |
| INYU DAWN Monthly | $19.99 | per month |
| INYU GLOW Annual | $79.99 | per year |
| INYU DAWN Annual | $159.99 | per year |


## Frequently asked questions

### Is Chiffre free?

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

### Is INYU free?

INYU is free to download, with in-app purchases available.

### Which is updated more often, Chiffre or INYU?

Chiffre ships an update every 2 months, and INYU every 2 weeks. Most recently, Chiffre was updated on September 9, 2026 and INYU on September 16, 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.*