# ESP AR vs KyouStudy

The clearest difference is in-app purchases: ESP AR at none against KyouStudy's 3. ESP AR also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.0). KyouStudy's advantage is update cadence (weekly vs every 4 months). On price 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. ESP AR asks for nothing beyond the download.

ESP AR ships an update every 4 months, KyouStudy weekly. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | ESP AR | KyouStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Size | 112 MB | 229 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LiveABC](https://appshunter.io/developer/375927584) | [HungBok](https://appshunter.io/developer/6787647770) |

## What reviewers say

### ESP AR

[App page](https://appshunter.io/ios/app/esp-ar/id1414075080)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ESP AR free?

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

### Is KyouStudy free?

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

### Do ESP AR or KyouStudy have ads?

KyouStudy shows ads; ESP AR does not.

### Which is updated more often, ESP AR or KyouStudy?

ESP AR ships an update every 4 months, and KyouStudy weekly. Most recently, ESP AR was updated on November 11, 2026 and KyouStudy on November 12, 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.*