In truth, when not hanging around the Dairy Queen I do patronize most of the others once in a while, depending on my craving du jour.
Though for me, if I'm not doing Dairy Queen then it's a pretty good bet I'llbe doing be Rita's, the gelati stand also on Granville Street, just down the block from the DQ and also within walking distance of my house.
I don't know if I'd go so far as to say that Rita's and DQ are competitors, since their products are of two such different genres; you either feel like a Dairy Queen or you feel like a Rita's.
But Rita's sure packs a crowd from the day it opens every April 'til the day it closes every October:

Calorie charts are such a buzz-kill.
But there are some days I'll just thumb my nose at the calories and get whatever 'cream I feel like getting, whether it's a frozen custard, a frozen yogurt, a DQ, a gelati, a scoop, or the quick cheap thrill of a McDonald's cone.
The only ice cream stores in Gahanna that I will not set foot in unless somebody else is paying are Cold Stone Creamery and Graeter's.
Cold Stone Creamery because about 14 years ago I was in a Cold Stone Creamery in Boston and the teen-aged server, who obviously longed to be doing anything else besides scooping ice cream, copped me an attitude. I still can't pass a CSC without feeling hostile vibes.
As to why I won't spring for a Graeter's, well, I'll go into that tomorrow...