On the page where you select which firearm. At the bottom right you will find a tab that is for preferences, scroll to the bottom of this page, 2nd from the last you should see "Range Step Size" click on this and select the desired step 10yrd, 25yrd, 50yrd ect, then just back out to the select fire arm page. Pull up a solution and it should give you a solution or table (which ever you select) that the range changes by your choosen increments. There are some things that do not work with shooter on my phone, I can't enter a decimal place, I have to move the cursor to one side or the other of a decimal if I want to use one. On my tablet everything works fine, so I'm not sure what the deal is with my phone.
Keep in mind the animals we shoot for food and display are not bullet proof. Contrary to popular belief, they bleed and die just like they did a hundred years ago. Being competent with a given rifle is far more important than impressive ballistics and poor shootability. High velocity misses never put a steak in the freezer.