$100K sounds like a lot for an app. With equity on top of that? I'd stay away.
Can you build a prototype of it? Even in Excel or something to get the general logic worked out?
Can you build a prototype of it? Even in Excel or something to get the general logic worked out?
When you have a vision of a finished product, it seems like so much work to get there. But usually you can break it down and find steps you can take iteratively.
Mocking up the idea will show you more about its potential and how it should be executed once developers start working on it for real.