I designed and developed the first Mac version of Simplenote after we were acquired by Automattic.
Featured among Apple's Best Apps of 2013, I was inspired by the fine lines and simple aesthetics of iOS 7—Yosemite hadn't been revealed yet. Here's a timelapse of the design evolution.
While building the app, I also led a small team that shipped new versions of Simplenote for iOS and Android. We learned a lot about balancing consistency across platforms versus embracing what makes each platform unique.