I upgraded my iphone 5s to 7.0.3; my wife kept her 5s at 7.0.2. I put them side by side to compare and what I found was this: 7.0.3. launches apps faster than 7.0.2. (This happens reliably after an app has been opened a few times). 7.0.2 closes apps slower than 7.0.2 by a fair bit. Anyone else with two identical iOS devices who can speak to this? I'm going to post a video of what I'm talking about soon.