The best alternatives to x100 are Fireball Studio, Coountdown, and Muze. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Replace numerous apps and settings with One Switch. A time-saver for Mac, the app allows to access the key switchers like toggling between Dark/Light modes and managing AirPods connection. For convenience, set the app to show custom toggles in your menu bar and disable those you don’t use regularly. Fitting your flow, always.
Muze is a personalized streaming service that automatically plays the optimal song for every moment of your workout. Go for a run and let Muze find songs to match your pace. Pump iron and enjoy songs tuned to your heartbeat. Featuring over 10 million songs.
Serial Countdown timer helps you to keep focused on the sequential tasks which takes short moments and relaying. Simplified design of the app gives effortless user experience on time management.
ChronoTimer is the ultimate workout app for anyone who wants to get fit and healthy. With this high-intensity interval training (HIIT) program, you'll burn fat, build muscle, and improve your fitness in just a few minutes a day!