# KENGSOB vs ตะลุยโจทย์ วิทย์ ม.1

The clearest difference is in-app purchases: KENGSOB at none against ตะลุยโจทย์ วิทย์ ม.1's 1. KENGSOB also leads on iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. ตะลุยโจทย์ วิทย์ ม.1 sells 1 one-off in-app purchase. KENGSOB asks for nothing beyond the download.

## The numbers

| Metric | KENGSOB | ตะลุยโจทย์ วิทย์ ม.1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | — |
| Size | 190 MB | 24 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CHULALONGKORN UNIVERSITY BOOK CENTER](https://appshunter.io/developer/1841602247) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### KENGSOB

[App page](https://appshunter.io/ios/app/kengsob/id6752893704)

**Features:** macOS Compatibility

**In-app purchases:** none


### ตะลุยโจทย์ วิทย์ ม.1

[App page](https://appshunter.io/ios/app/1/id6806804586)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is KENGSOB free?

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

### Is ตะลุยโจทย์ วิทย์ ม.1 free?

ตะลุยโจทย์ วิทย์ ม.1 is free to download, with in-app purchases available.

### Do KENGSOB or ตะลุยโจทย์ วิทย์ ม.1 have ads?

Both KENGSOB and ตะลุยโจทย์ วิทย์ ม.1 show ads.

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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.*