Apps needed:

Superimpose 

Picsart

Superimpose:

1: open the template as your background then open your photo as the foreground go to the transform tab and make the filter screen. Then go to to mask and use the rectangle cropping tool and crop the part on the other side of the black so there's none showing merge and repeat with the other side. Save when finsihed.

Picsart:

1. Open the template in picsart then go to draw and  add your photo make the filter screen. click erase and then go to the shapes tab and click the square erase everything that's showing on the other side of the template and repeat with other side. Save when finsihed.

Add ons:

Add your text and a filter if you like and your finsihed!

I hope you enjoyed this tutorial! If you'd like to use the filters I used go to my filter book called "wide awake" the superimpose one is "truthfull" and the picsart one is "serenity". Happy editing lovelies!