# IPST AR Physics ม.๔ เล่ม ๒ vs IELTS Reading Master

The clearest difference is in-app purchases: IPST AR Physics ม.๔ เล่ม ๒ at none against IELTS Reading Master's 1. IPST AR Physics ม.๔ เล่ม ๒ also leads on ads (none vs shown) and iOS requirement (11.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. IELTS Reading Master sells 1 one-off in-app purchase. IPST AR Physics ม.๔ เล่ม ๒ asks for nothing beyond the download.

## The numbers

| Metric | IPST AR Physics ม.๔ เล่ม ๒ | IELTS Reading Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 408 MB | 21 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Institute for the Promotion of Teaching Science and Technology (IPST)](https://appshunter.io/developer/643591471) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### IPST AR Physics ม.๔ เล่ม ๒

[App page](https://appshunter.io/ios/app/ipst-ar-physics/id6444731100)

**Features:** macOS Compatibility

**In-app purchases:** none


### IELTS Reading Master

[App page](https://appshunter.io/ios/app/ielts-reading-master/id6810040045)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is IPST AR Physics ม.๔ เล่ม ๒ free?

IPST AR Physics ม.๔ เล่ม ๒ is free to download, with no in-app purchases.

### Is IELTS Reading Master free?

IELTS Reading Master is free to download, with in-app purchases available.

### Do IPST AR Physics ม.๔ เล่ม ๒ or IELTS Reading Master have ads?

IELTS Reading Master shows ads; IPST AR Physics ม.๔ เล่ม ๒ does not.

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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.*