As iOS 10 has recently come out, I decided to give ZiadaTime a makeover. Shifting navigation over to tab-based and giving the buttons an overhaul. The one big new feature is that you can now select stopwatches among the active ones, and then start, stop and reset them simultaneously. You can also do the same individually. Convenient for instance, when starting a group of runners, of which all finish individually. Here's a sample of the active stopwatches tab:
So why not go get it at the iOS App Store?