Our sites & apps
Everything we make at ChowChow Labs, an independent studio in Toronto, Canada.
Our sites
ChowChow LabsOur company home, with every site and app we make.Visit Ontario G1 Driver’s Test PrepFree G1 mock exams with road signs and rules of the road.Visit Canadian Citizenship Test PrepPractice tests based on the official Discover Canada guide.Visit Canadian Take-Home Pay CalculatorSee what you keep after tax, with 2026 federal and provincial rates.Visit Canadian Mortgage CalculatorMortgage payments, land transfer tax, affordability and more, the Canadian way.Visit
Brain and SensesTen quick challenges for reasoning, memory, attention and the senses.You’re here
Sleep BuddyCalming sleep sounds you can mix, with a timer and gentle alarm.Visit iPhone apps
Apps marked Coming soon are waiting for Apple’s approval.
Income Tax Calculator CanadaTake-home pay by province, right on your iPhone.App Store
Ontario G1 Driver’s Test PrepG1 practice tests you can take anywhere.Coming soon
Canadian Citizenship Test PrepCitizenship practice tests on the go.Coming soon
Sleep Buddy: SoundscapesSleep sounds, timer and alarm for iPhone.Coming soon
Daily BuddyA friendly daily tracker for water, medicines, pets and more.Coming soon