# 斗K vs 淘课老师端

The clearest difference is in-app purchases: 淘课老师端 at none against 斗K's 3. 淘课老师端 also leads on update cadence (every 3 weeks vs every 2 months). 斗K's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 斗K sells 3 one-off in-app purchases. 淘课老师端 asks for nothing beyond the download.

斗K ships an update every 2 months, 淘课老师端 every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 斗K | 淘课老师端 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 17 MB | 59 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Grassroots King Network Technology Co., Ltd.](https://appshunter.io/developer/1147038702) | [左加右教育](https://appshunter.io/developer/1544010507) |

## 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 |


### 淘课老师端

[App page](https://appshunter.io/ios/app/id6451103981)

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

**In-app purchases:** none


## Frequently asked questions

### Is 斗K free?

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

### Is 淘课老师端 free?

淘课老师端 is free to download, with no in-app purchases.

### Do 斗K or 淘课老师端 have ads?

Neither 斗K nor 淘课老师端 shows ads.

### Which is updated more often, 斗K or 淘课老师端?

斗K ships an update every 2 months, and 淘课老师端 every 3 weeks. Most recently, 斗K was updated on November 3, 2026 and 淘课老师端 on October 25, 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.*