Bark, Gabb, Pinwheel or Troomi: which first phone fits?

Bark watches, Gabb, Pinwheel and Troomi block. Prices, what parents can see, the age each fits, and what a 10,588-child study says about timing.

Bark watches, Gabb, Pinwheel and Troomi block. Prices, what parents can see, the age each fits, and what a 10,588-child study says about timing.