.Want to draw comic strips but need the right software

Photoshop should be able to do this, but it depends on what kind of template you want, and how you want to work. I’m not a comic book artist, but here are some things you could do.

When you create a new document in Photoshop, you can save different named presets for the exact page sizes and document properties you want.

You can use the command View > Guides > New Guide Layout to quickly set up non-printing snap-to guides for your layout of comic panels.

You can draw shape layers to lay out your panels (they don’t have to be rectangles; for example you could use the Ellipse tool), and re-use the document later as a template. 

If you set up a rectangle shape layer as a set of paths with holes, and then draw in a lower layer, you can draw without coloring over the lines. This involves some advanced path drawing features, but it might be worth learning how to do. I’m drawing with a pressure-sensitive graphics tablet stylus. Notice in the demo below that you can use different brushes, and in Brush Settings you can set up and save your own brushes. 

davescm has a good point though, consider whether your comic book style lends itself more to pixel-based drawing/painting where Photoshop is the better software, or vector-based drawing where Illustrator is the better software. Illustrator can do all of the above too: Create document presets, set up a non-printing grid, draw rectangles with borders and mask them off, and let you customize brushes.