Snap store is another free app store that you can add to your raspberry pi. It can be added on both Ubuntu and Raspberry pi OS. To install open the terminal and type
Sudo apt install snapd
Then you are going to want to reboot your pi. You can do this in the terminal by typing
Sudo Reboot
Next you are going to want to install the core. Just type
Sudo Snap install core
And for the final command, just enter
Sudo snap install snap-store

All of these things may take a little while to run, so don’t be worried if it is slow. Once it is complete, open preferences inside of the applications bar, and on the bottom you will find snap store. It might take a little while to boot up the first time so never fear.
Using snap store can be pretty easy. to search use the button in the top left corner. In the top middle you see two options. Explore and installed. You are always automatically on explore when it boots up. If you click installed it will show you all of the apps that you have from this store. Hope that this helps you out! If you have any questions about it just comment or use the contact us page. Good luck!