I like single-purpose apps; apps that do one thing and do it well. But I realized that I hadn't used this one in quite a while, so it's going away.
But when I was looking for an app that probably isn't currently carrying its weight, I opened tally and saw this:
And decided that Tally can probably go.
Agile Tortoise seems to think so as well, based on the Tally Homepage, which sports a square-image-on-the-home-button iPhone.
My replacement? The notebook I always have with me and a pen. Works just as well as this app.