Same. A friend of mine is also having the same issue...drains extremely fast since installing ios 7, despite having read and followed all of the battery-life tips for ios 6 and 7 (old and new tricks). My phone is about as battery-friendly as it gets, yet it still loses about 1% every few minutes, regardless of whether it's being used or not.
I even ran into a strange bug where it was 19% and jumped literally to 1% within the span of a 3-4 minutes, before immediately shutting off. Generally, my phone turns off at around 10% battery life (which is ridiculous in itself), but somehow it made a drastic jump from 19% to 1%. Very odd...
The biggest battery drain of all is because of "New Toy Syndrome."
Put it down and treat it as you would a regular smartphone and it will last all day
iOS 7.0 is really awful on battery.
Actually, it's not. Many people including myself are experiencing slightly better battery life.
Battery life is determined by what you did (restore vs new), where you are (signal strength), what you're doing, and what apps are doing (visible or not). In almost every complaint about the battery running down quickly it is a rogue process or app. Resetting the phone will stop it until the process (maybe) starts again. Things like the phone attempting to retrieve mail over and over or log into or access something because of a credential issue. Yes, iOS 7 has some features that will consume more battery but I'm talking about the battery running down quickly. Lots of good threads on this but I don't have any links handy.
Honestly, every single iOS .0 version has this problem. Nothing new.
The biggest battery drain of all is because of "New Toy Syndrome."
Put it down and treat it as you would a regular smartphone and it will last all day