Scientific and fun Apps for macOS and iOS.
![](https://sharpy.site/wp-content/uploads/2023/08/Logo-150x150.png)
Identify sharks’ teeth for iOS (free)
![](https://sharpy.site/wp-content/uploads/2023/08/128.png)
Windsurf/Kiteboard for iOS (free)
![](https://sharpy.site/wp-content/uploads/2023/08/icon-128.png)
500+ IR spectra for macOS ($5.99)
![](https://sharpy.site/wp-content/uploads/2023/08/VPCalc-Icon-150x150.jpg)
Vapor pressure calculator for macOS and iPad ($1.99)
![](https://sharpy.site/wp-content/uploads/2023/08/VPCalc-Icon-150x150.jpg)
Vapor pressure calculator for iPhone ($0.99)