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MANILA – Only those drivers who cancel trips frequently will be affected by a new feature of the Grab app that masks the exact destination of passengers, the head of the ride-sharing service in the Philippines said Thursday.

The destination-masking feature will affect the "bottom 25 percent of drivers who are the most choosy," said Grab Philippines country manager Brian Cu.

The feature is effective only during the day and will be suspended from 10 p.m. to 4 a.m.

Grab has come under fire from irate commuters who complain of high rates and frequent cancellations since the company took over the Southeast Asia operations of erstwhile rival Uber this month.

Transport regulators earlier suspended Grab's charge of P2 per kilometer.

"We would like to request a revisit on the fares because technology has evolved so much but the rules placed in this new sector, new transport, we’re still using very old rules and regulations," Cu told ANC's Headstart.

Cu said Grab's driver fleet was expected to reach 46,000 after the Uber merger, but only 8,000 to 12,000 are on the road on an hourly basis.

Grab responds to 600,000 booking requests daily, he said.

• LTFRB suspends Grab's P2-per-minute extra charge