Wag is a dog walking app for the 18 and above dog walker to make money walking dogs. You can earn about $25 per hour on average, but subtracting their 40% commission, and you get $15-$17 per hour.
Dogwalker is a website that enables you to advertise yourself as a dog walker. You can display your profile, including your core competencies, experience, and service rates for clients.
Pet Backer is a website offering dog walking services to various countries. There is no minimum age requirement for walkers, allowing teenagers to sign up and walk dogs as well.