# P'jet Physics vs Physics Note ม.4

The clearest difference is ads: P'jet Physics at none against Physics Note ม.4's shown. P'jet Physics also leads on iOS requirement (13.0 vs 18.0). Physics Note ม.4's advantage is update cadence (every 2 months vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. P'jet Physics sells 2 one-off in-app purchases and Physics Note ม.4 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

P'jet Physics ships an update every 4 months, Physics Note ม.4 every 2 months. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | P'jet Physics | Physics Note ม.4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 79 MB | 26 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Phanupong Sanmee](https://appshunter.io/developer/1435296424) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### P'jet Physics

[App page](https://appshunter.io/ios/app/pjet-physics/id1517073998)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| คอร์สเรียนประจำเทอม | $99.99 | one-time |
| คอร์สสอบเข้ามหาวิทยาลัย | $199.99 | one-time |


### Physics Note ม.4

[App page](https://appshunter.io/ios/app/physics-note-4-6/id6804396132)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is P'jet Physics free?

P'jet Physics is free to download, with in-app purchases available.

### Is Physics Note ม.4 free?

Physics Note ม.4 is free to download, with in-app purchases available.

### Do P'jet Physics or Physics Note ม.4 have ads?

Physics Note ม.4 shows ads; P'jet Physics does not.

### Which is updated more often, P'jet Physics or Physics Note ม.4?

P'jet Physics ships an update every 4 months, and Physics Note ม.4 every 2 months. Most recently, P'jet Physics was updated on November 7, 2026 and Physics Note ม.4 on November 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.*