# FlashBrain vs Physics Note ม.4

The clearest difference is ads: FlashBrain at none against Physics Note ม.4's shown. FlashBrain also leads on iOS requirement (16.6 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. FlashBrain sells 5 in-app purchases, starting at $7.99 per month and Physics Note ม.4 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FlashBrain | Physics Note ม.4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Size | 27 MB | 19 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KAYAHAN SARISOY](https://appshunter.io/developer/1826963299) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### FlashBrain

[App page](https://appshunter.io/ios/app/flashbrain-smart-flashcards/id6748674396)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlashBrain Monthly | $7.99 | per month |
| FlashBrain Yearly | $39.99 | per year |
| 100 FlashBrain AI Credits | $4.99 | one-time |
| 500 FlashBrain AI Credits | $14.99 | one-time |
| 1000 FlashBrain AI Credits | $24.99 | 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 FlashBrain free?

FlashBrain 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 FlashBrain or Physics Note ม.4 have ads?

Physics Note ม.4 shows ads; FlashBrain 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.*