# KyouStudy vs WordOak 英文單字學習

The clearest difference is ads: WordOak 英文單字學習 at none against KyouStudy's shown. WordOak 英文單字學習 also leads on update cadence (daily vs every 5 days) and iOS requirement (15.0 vs 17.0). On price, 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 WordOak 英文單字學習 sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

KyouStudy ships an update every 5 days, WordOak 英文單字學習 daily. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KyouStudy | WordOak 英文單字學習 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Size | 187 MB | 38 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HungBok](https://appshunter.io/developer/6787647770) | [JIA CING CHEN](https://appshunter.io/developer/6772995519) |

## What reviewers say

### KyouStudy

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

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


### WordOak 英文單字學習

[App page](https://appshunter.io/ios/app/wordoak/id6817798904)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WordOak Premium | $4.99 | per month |
| WordOak Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is KyouStudy free?

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

### Is WordOak 英文單字學習 free?

WordOak 英文單字學習 is free to download, with in-app purchases available.

### Do KyouStudy or WordOak 英文單字學習 have ads?

KyouStudy shows ads; WordOak 英文單字學習 does not.

### Which is updated more often, KyouStudy or WordOak 英文單字學習?

KyouStudy ships an update every 5 days, and WordOak 英文單字學習 daily. Most recently, KyouStudy was updated on October 8, 2026 and WordOak 英文單字學習 on October 6, 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.*