I've also heard about Maidsafe (and have some coins too) but I think that Maidsafe and Ethereum are the same thing? What is the difference? I heard that apps can be developed on the SAFE network too. I don't know. I'm very confused
There's a big difference. It's completely 2 different systems. You can find a lot of information on the safe forums. Namely:
Ethereum: uses a blockchain (just like Bitcoin) where people can do transactions. It added an extra feature where you can run scripts (little programs) on that same blockchain. They will provide apps for everyone to connect to the scripts and blockchain. Will be great for something like a decentralized crowdfunder.
Counterparty: uses the Bitcoin blockchain. Can be used to create new coins. Even coins that pay "dividends".
Maidsafe: uses no blockchain but creates consensus about who owns Safecoin without a timestamp. It also provides storage in the network for files and data like websites etc. People will be payed in Safecoin to provide resources. Just like Ethereum it will use apps. Think of the apps like in your Chrome-browser.
In that case, I'd prefer Ethereum and Maidsafe. My most favorite is MaidSafe. Thanks for your reply