# KF Engineering vs Thai Keyboard

The clearest difference is in-app purchases: KF Engineering at none against Thai Keyboard's 3. KF Engineering also leads on update cadence (every 5 weeks vs every 22 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thai Keyboard sells 3 in-app purchases, starting at $2.99 per month. KF Engineering asks for nothing beyond the download.

KF Engineering ships an update every 5 weeks, Thai Keyboard every 22 months. The most recent releases landed on September 29, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | KF Engineering | Thai Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/thai-keyboard/id6449362489/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 22 months |
| Monetization | — | Subscription |
| Size | 43 MB | 41 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Knight Frank Chartered (Thailand) Co.,Ltd](https://appshunter.io/developer/1301897716) | [iGeniusDev Technology](https://appshunter.io/developer/664580924) |

## What reviewers say

### KF Engineering

[App page](https://appshunter.io/ios/app/kf-engineering/id1469770626)

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

**In-app purchases:** none


### Thai Keyboard

[App page](https://appshunter.io/ios/app/thai-keyboard/id6449362489)

Type in Thai script effortlessly with this keyboard app. It offers phonetic typing, stylish fonts, and custom themes. Easily switch between Thai and English for seamless communication across all your favorite apps.

**Highlights:** Phonetic Thai typing using English letters, Stylish Thai fonts, Customizable keyboard themes, Easy Thai-English language switching, Save and reuse Thai text, Social media bio support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thai English Keyboard | $2.99 | per month |
| Thai Keyboard for Thais | $24.99 | per year |
| Thai Keyboard writing. | $29.99 | one-time |


## Frequently asked questions

### Is KF Engineering free?

KF Engineering is free to download, with no in-app purchases.

### Is Thai Keyboard free?

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

### Do KF Engineering or Thai Keyboard have ads?

Neither KF Engineering nor Thai Keyboard shows ads.

### Which is updated more often, KF Engineering or Thai Keyboard?

KF Engineering ships an update every 5 weeks, and Thai Keyboard every 22 months. Most recently, KF Engineering was updated on September 29, 2026 and Thai Keyboard on September 14, 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.*