tracker

/ˈtrækər/
noun
  1. A person or device that follows the movements or location of someone or something.
    • The hiker used a GPS tracker to record her route.
    • The wildlife tracker followed the bear's footprints through the forest.
    • My phone has a fitness tracker that counts my steps.
  2. A device or software that monitors and records data or activity.
    • The company installed a time tracker to log employees' work hours.
    • The website uses a visitor tracker to see how many people view each page.
    • She uses a budget tracker app to manage her spending.
Synonyms
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