# 小Z机器人 vs KET单词速记

The clearest difference is in-app purchases: 小Z机器人 at none against KET单词速记's 2. 小Z机器人 also leads on iOS requirement (9.0 vs 15.0). KET单词速记's advantage is update cadence (every 10 days vs every 14 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. KET单词速记 sells 2 in-app purchases, starting at $9.99 per year. 小Z机器人 asks for nothing beyond the download.

小Z机器人 ships an update every 14 months, KET单词速记 every 10 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 小Z机器人 | KET单词速记 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/z/id1450237484/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 164 MB | 27 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Zhiban Technology Co., Ltd.](https://appshunter.io/developer/1306670336) | [天津麦金塔科技有限公司](https://appshunter.io/developer/1221143167) |

## What reviewers say

### 小Z机器人

[App page](https://appshunter.io/ios/app/z/id1450237484)

Control smart devices with ease through an intuitive app. Access a vast library of audio content for children's learning and entertainment. Facilitate communication and monitor device status remotely.

**Highlights:** Device connectivity and control, Real-time device status monitoring, Remote device movement, Extensive audio resource library, Content updated regularly, Smart interaction and chat features

**In-app purchases:** none


### KET单词速记

[App page](https://appshunter.io/ios/app/ket-meowords/id6504452007)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KET单词速记-高级年费版 | $9.99 | per year |
| KET单词速记终身版 | $24.99 | one-time |


## Frequently asked questions

### Is 小Z机器人 free?

小Z机器人 is free to download, with no in-app purchases.

### Is KET单词速记 free?

KET单词速记 is free to download, with in-app purchases available.

### Do 小Z机器人 or KET单词速记 have ads?

Neither 小Z机器人 nor KET单词速记 shows ads.

### Which is updated more often, 小Z机器人 or KET单词速记?

小Z机器人 ships an update every 14 months, and KET单词速记 every 10 days. Most recently, 小Z机器人 was updated on October 17, 2026 and KET单词速记 on October 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.*