You probably already know that there are apps you can use not only for entertainment, but for earning extra money or saving some. But, you may not know about these apps, which are some of our favorites. Check out these 10 killer apps you can use to save or make extra money in your spare time.

1. Foap
Download : Android | iOS

 

This is an app that allows you to make money by taking photos. You can charge as much as you like per photo, which means that your money-making opportunities through Foap are virtually limitless. People are always looking for a huge variety of photos, and you may be surprised at how much money you can make with a photo of your cat.

2. Bookscouter
Download : Web-Based

 

If you have old books you want to get rid of, use this app to sell them. Scan the barcodes with your smartphone, and Bookscouter will let you see comparisons of payouts from more than 20 book buyback companies. Once you find the best offer, fill out some information about where payments should be sent, and ship the books to the buyback companies.

3. Fieldagent
Download : Android | iOS

 

This is a great app that can help you earn money. From the main navigation window you can locate jobs through the “Jobs List” or through the ”Map View.” Select a job to see additional details and accept it. Once a job has been selected, you will have two hours to complete the task. Be sure you’re near the objective before you start the task.

4. Cash For Laptop
Download : Web-Based

 

You can make extra money by selling your old laptop, and this app will let you do it. Simply select the type of device you wish to sell, add a description of the device, pack it up and ship it (free of charge), and get paid with a cheque or Paypal.