At 1Button, we were very fond of flat design before it was cool! Therefore, our apps already worked well on iOS 7 without any change. That said, they need to be updated anyway to add the new features of iOS 7, such as the translucent keyboard.
And today we begin with Mr Mood, +1 and Task! There is also a little surprise in the latter: we have added 5 new "Plastic" themes to match with your iPhone 5c. There is one new theme for each of them: White, Pink, Yellow, Blue and Green.
If you are going to buy an iPhone 5C, don't hesitate to choose the color that best matches your favorite mood in Mr Mood :)
As for ON/OFF (an update will be released as soon as it is validated by Apple), we took into account your feedbacks and added a way to look at the puzzle you just solved.
We are working hard on new apps, they will come this fall. Before that, we will be in Paris this November for the AppDays
conference. We will host two talks and a workshop on UI Design. Don't hesitate to say hello if you are around.