KUALA LUMPUR, Oct. 27 -- For delivery riders and e-hailing drivers who spend hours on the road, switching navigation apps is not as simple as downloading a new one, especially when the routes they take can affect their time, earnings and ability to reach customers.

Outside Sunway Wangsa Walk here, three delivery riders said they had yet to try TuJu, the locally developed navigation app promoted by the government as an alternative to Waze, with some preferring to wait until it becomes more reliable before making the switch.

Muhammad Nabil Khairuddin, 30, a Grab rider, said he first learnt about TuJu through TikTok and Facebook yesterday and was considering downloading it to see how it compared with established navigation apps.

"I might ...