# สูตรฟิสิกส์ vs learning.redcross

The clearest difference is in-app purchases: learning.redcross at none against สูตรฟิสิกส์'s 3. learning.redcross also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 12 months). On price and device support there is nothing between them.

Both are free to download. สูตรฟิสิกส์ sells 3 one-off in-app purchases. learning.redcross asks for nothing beyond the download.

สูตรฟิสิกส์ ships an update every 12 months, learning.redcross every 3 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | สูตรฟิสิกส์ | learning.redcross |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 9 MB | 57 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thitipong Wongsatho](https://appshunter.io/developer/683911170) | [The Thai Red Cross Society](https://appshunter.io/developer/1481812826) |

## What reviewers say

### สูตรฟิสิกส์

[App page](https://appshunter.io/ios/app/id723602286)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads full screen type | $0.99 | one-time |
| Offline view | $1.99 | one-time |
| Remove Ads banner type | $1.99 | one-time |


### learning.redcross

[App page](https://appshunter.io/ios/app/learningredcross/id1622132682)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is สูตรฟิสิกส์ free?

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

### Is learning.redcross free?

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

### Do สูตรฟิสิกส์ or learning.redcross have ads?

สูตรฟิสิกส์ shows ads; learning.redcross does not.

### Which is updated more often, สูตรฟิสิกส์ or learning.redcross?

สูตรฟิสิกส์ ships an update every 12 months, and learning.redcross every 3 weeks. Most recently, สูตรฟิสิกส์ was updated on October 9, 2026 and learning.redcross on October 15, 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.*