# Kaiboard 中英混合鍵盤 vs STEMS EV

The clearest difference is in-app purchases: STEMS EV at none against Kaiboard 中英混合鍵盤's 2. STEMS EV also leads on update cadence (every 5 days vs every 6 months). Kaiboard 中英混合鍵盤's advantage is iOS requirement (13.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. Kaiboard 中英混合鍵盤 sells 2 one-off in-app purchases. STEMS EV asks for nothing beyond the download.

Kaiboard 中英混合鍵盤 ships an update every 6 months, STEMS EV every 5 days. Both last shipped on October 6, 2026.

## The numbers

| Metric | Kaiboard 中英混合鍵盤 | STEMS EV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (25 ratings)](https://appshunter.io/ios/app/kaiboard/id946910980/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 16 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alpha Tech HK Limited](https://appshunter.io/developer/1460822782) | [台科電科技股份有限公司](https://appshunter.io/developer/1826972531) |

## What reviewers say

### Kaiboard 中英混合鍵盤

[App page](https://appshunter.io/ios/app/kaiboard/id946910980)

This keyboard app allows seamless input of both Chinese and English without switching. It supports various Chinese input methods and offers advanced features like predictive text, swipe selection, and customizable themes. Designed for efficient typing, it enhances the mobile keyboard experience.

**Highlights:** Hybrid Chinese-English input, Multiple Chinese input methods, Predictive text and word suggestions, Swipe selection for cursor control, Customizable themes, Smart punctuation and auto-capitalization

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 鍵盤風格設定 | $1.99 | one-time |
| 廣東話拼音詞語連打 | $2.99 | one-time |


### STEMS EV

[App page](https://appshunter.io/ios/app/stems-ev/id6753740708)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kaiboard 中英混合鍵盤 free?

Kaiboard 中英混合鍵盤 is free to download, with in-app purchases available.

### Is STEMS EV free?

STEMS EV is free to download, with no in-app purchases.

### Do Kaiboard 中英混合鍵盤 or STEMS EV have ads?

Neither Kaiboard 中英混合鍵盤 nor STEMS EV shows ads.

### Which is updated more often, Kaiboard 中英混合鍵盤 or STEMS EV?

Kaiboard 中英混合鍵盤 ships an update every 6 months, and STEMS EV every 5 days. Most recently, Kaiboard 中英混合鍵盤 was updated on October 6, 2026 and STEMS EV 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.*