# 斗K vs OE Wordbook 2

The clearest difference is update cadence: 斗K at every 2 months against OE Wordbook 2's every 18 months. OE Wordbook 2's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 斗K sells 3 one-off in-app purchases and OE Wordbook 2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

斗K ships an update every 2 months, OE Wordbook 2 every 18 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 斗K | OE Wordbook 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 18 months |
| Size | 17 MB | 21 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Grassroots King Network Technology Co., Ltd.](https://appshunter.io/developer/1147038702) | [龙 金](https://appshunter.io/developer/1515722709) |

## What reviewers say

### 斗K

[App page](https://appshunter.io/ios/app/k/id1483715603)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 斗K首次试用擂台 | $4.99 | one-time |
| 斗K再次试用擂台 | $15.99 | one-time |
| 斗K付费版1年 | $299.99 | one-time |


### OE Wordbook 2

[App page](https://appshunter.io/ios/app/oe-wordbook-2/id1516095781)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More wordbooks | $0.99 | one-time |


## Frequently asked questions

### Is 斗K free?

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

### Is OE Wordbook 2 free?

OE Wordbook 2 is free to download, with in-app purchases available.

### Do 斗K or OE Wordbook 2 have ads?

Neither 斗K nor OE Wordbook 2 shows ads.

### Which is updated more often, 斗K or OE Wordbook 2?

斗K ships an update every 2 months, and OE Wordbook 2 every 18 months. Most recently, 斗K was updated on November 3, 2026 and OE Wordbook 2 on November 7, 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.*