Why can I not install more than three apps?

Question

I have just started learning how to make iOS apps, and am using the free personal developer account.

I have made four apps so far, but do not seem to be able to inst

Answer 1

The actual limitation for the number of applications on a free developer account (at the time of writing) seems to be like this:

• Three usable apps (I mean: 3 apps with an active provisioning profile)

But, probably due to an error the way Apple counts, you can't compile and install directly the third app. You have to remove it from the device before installing.