By Ry Crozier on May 24, 2021 6:26PM 'Tuning efforts applied' after sky-high costs criticised. The Digital Transformation Agency has cut $40,000 a month from its sky-high cloud hosting costs for the COVIDSafe app, less than two months after it was ridiculed for running up a bill of $100,000 a month. Agency boss Randall Brugeaud told senate estimates on Monday evening that the previous hosting “estimate” had been revised down, apparently after some performance “tuning” of the app. It still wasn’t clear exactly how the app was architected to be capable of running up such a sizable bill. “I’d estimated $100,000 per month to host COVIDSafe at the last hearing,” Brugeaud said.