# IPST AR Physics ม.๔ เล่ม ๑ vs IELTS Grammar

The clearest difference is in-app purchases: IPST AR Physics ม.๔ เล่ม ๑ at none against IELTS Grammar's 1. IPST AR Physics ม.๔ เล่ม ๑ 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 Grammar sells 1 one-off in-app purchase. IPST AR Physics ม.๔ เล่ม ๑ asks for nothing beyond the download.

## The numbers

| Metric | IPST AR Physics ม.๔ เล่ม ๑ | IELTS Grammar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ipst-ar-physics/id6444103311/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Monetization | Free | — |
| Size | 303 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 ๑

[App page](https://appshunter.io/ios/app/ipst-ar-physics/id6444103311)

This educational app uses augmented reality to enhance understanding of physics concepts for high school students. It serves as a digital supplement to textbooks, aiming to make learning more engaging and clear.

**Highlights:** Augmented Reality (AR) visualization, Supplement to physics textbooks, Enhances student interest, Improves understanding of concepts, Digital learning aid

**Features:** macOS Compatibility

**In-app purchases:** none


### IELTS Grammar

[App page](https://appshunter.io/ios/app/ielts-grammar/id6811334934)

**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 ๑ free?

IPST AR Physics ม.๔ เล่ม ๑ is free to download, with no in-app purchases.

### Is IELTS Grammar free?

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

### Do IPST AR Physics ม.๔ เล่ม ๑ or IELTS Grammar have ads?

IELTS Grammar shows ads; IPST AR Physics ม.๔ เล่ม ๑ 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.*