The best alternatives to Activity are Gyroscope , AnyPixels.js, and LifeWork Calendar. 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
Use the Gyroscope app on iPhone, Apple Watch & Android to track everything about your life in one place. If you don’t have any wearables, get started with our built in steps, sleep, places and mood trackers! For the ultimate exprience, connect an Apple Watch, Garmin, Fitbit or Oura ring to get your Health Score and start optimizing everything about your body.
LifeWork Calendar automatically blocks out personal events on your work calendar, prevents you from having to juggle calendars, and ensures you'll never miss out on life again due to scheduling snafus.