A Mandurah woman has been left shaken after an Ola driver allegedly suggested they "stop by his house" in exchange for a free ride to Perth.

The woman ordered a trip from the suburb of Greenfields to nearby Mandurah train station on the popular ride sharing app just after 2.30pm on Thursday.

As she got inside the vehicle, the woman said the driver asked if she was going to Perth to which she answered that she was.

A Mandurah woman claims an Ola driver offered to "stop at his house" in exchange for a free ride.

The driver then offered to take her to Perth himself but when she said she couldn't afford the trip, he offered "to stop at his house" as payment before dropping her off in the city.