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Whistle Labs

1355 Market Street
San Francisco, CA
www.whistle.com

Product: Whistle Tracker
Category: Pet Trackers
Competitors: Fitbark,
Tractive,
Findster

Founded: 2012
Number of Employees: 100 – 150
Estimated Annual Revenue: $34 million (averaged from Owler & ZoomInfo)

Notes

Whistle Labs makes the most popular GPS dog tracker on the market.  In 2016, the company was acquired by Mars Petcare for $116 million.

Whistle currently comes in three versions:

  • Whistle Go – health and GPS location tracker
  • Whistle Go Explore – same as the GO, but with a longer battery life and a night light
  • Whistle Fit – health and fitness tracker, without GPS tracker

In 2020, Whistle indicated that revenue growth has consistently been in the double-digits since the company started.