Absolutely. You can try Joist Elite free for fourteen days, no credit card or signup is required.
To get started, just go ahead and use any one of the Elite features now available in your Joist App. You'll see a purple Elite badge next to any feature included in Joist Elite as the Change Orders feature for invoices, shown here in the iPhone App.
If you're using Joist on your mobile device, you'll be presented with the option to upgrade to Elite, but just tap the "I'll upgrade later" button at the bottom of the screen to begin your trial and explore all the benefits of Joist Elite for fourteen days.
If you're using Joist on your desktop/laptop computer, you'll be presented with a pop-up for the upgrade to Elite, but just click the "Later" button in the top-right corner of the pop-up to begin your trial and explore all the benefits of Joist Elite for fourteen days.