The best alternatives to Sportos are Amelia Timer, RhythmicWorks, and WorkoutSesh. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Sportos?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Simple, beautiful and completely free repeating timer. Just a couple taps to set your interval length, break length, and number of sets. No ads, no bloat, just a simple periodic timer. Perfect for stretching, running, yoga, or any other interval exercises. It was made as a birthday gift and available totally free for everybody
Developing software that makes difference in the lives of people. Primarily focused on developing mobile applications and working on latest technologies.
Currently it is focused on developing fitness related applications
JAB is a modern, professional, multifunctional timer for boxing, workout and other kinds of sport, which not only is a conventional timer (duh), but also has other cool features that will make your training process easier and more enjoyable.
Sometimes all you need is just a timer so we built one. This is a work in progress / experiment, cross device, progressive web app for you to workout and we figured that now, more than ever, it's a handy tool. Stay at home, active and safe!
You can set reps of exercises in conjunction with intervals. Setting both will help you pace yourself during intervals and exercise at your desired level of intensity. A beep sound is played at each next rep. You just need to keep up with the beeps. Runs in the background and notifies you of transitions in a workout with nice sounds.