# KyouStudy vs Skix Echo

The clearest difference is ads: Skix Echo at none against KyouStudy's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. KyouStudy sells 3 in-app purchases, starting at $3.99 per month and Skix Echo sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 10, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | KyouStudy | Skix Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Size | 229 MB | 22 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HungBok](https://appshunter.io/developer/6787647770) | [SKIX K.K.](https://appshunter.io/developer/6787700517) |

## What reviewers say

### KyouStudy

[App page](https://appshunter.io/ios/app/kyoustudy-language-learning/id6799300233)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KyouStudy Premium | $3.99 | per month |
| KyouStudy Premium (Annual) | $39.99 | per year |
| KyouStudy Premium (Lifetime) | $99.99 | one-time |


### Skix Echo

[App page](https://appshunter.io/ios/app/skix-echo/id6803100267)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $11.99 | per month |
| Max | $24.99 | per month |


## Frequently asked questions

### Is KyouStudy free?

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

### Is Skix Echo free?

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

### Do KyouStudy or Skix Echo have ads?

KyouStudy shows ads; Skix Echo does not.

### Which is updated more often, KyouStudy or Skix Echo?

KyouStudy ships an update weekly, and Skix Echo weekly. Most recently, KyouStudy was updated on November 10, 2026 and Skix Echo on November 8, 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.*