What is Isofix latch?

An Isofix latch is the built-in clip that attaches a car seat directly to anchor points in the vehicle, so you do not route a seat belt through the seat. It removes slack by holding the seat tight to the car, which many parents like for a stable install.

In the listings here, AXKID, Baby Jogger, Baby Plus, Baby Trend and BeSafe all state that they have an Isofix latch, so a latch on its own will not separate these brands. Check instead which other limits suit you, such as rear facing max and child max weight, and whether the seat you pick is approved with the base you already own.