Our sites & apps
Everything we make at ChowChow Labs, an independent studio in Toronto, Canada.
Our sites
Ontario G1 Driver’s Test Prep
Free G1 mock exams with road signs and rules of the road.
Visit Ontario G1 Driver’s Test PrepCalifornia DMV Prep 2026
Free California DMV permit mock exams with signs and road diagrams.
Visit California DMV Prep 2026Canadian Citizenship Test Prep
Practice tests based on the official Discover Canada guide.
Visit Canadian Citizenship Test PrepUS Citizenship Test Prep
Practice for the 2025 U.S. civics test, with interview practice.
Visit US Citizenship Test PrepLife in the UK Test Prep
Life in the UK Test mock exams: 24 questions, 45 minutes, like the real test.
Visit Life in the UK Test PrepCanadian Take-Home Pay Calculator
See what you keep after tax, with 2026 federal and provincial rates.
You’re hereCanadian Mortgage Calculator
Mortgage payments, land transfer tax, affordability and more, the Canadian way.
Visit Canadian Mortgage CalculatorBrain and Senses
Ten quick challenges for reasoning, memory, attention and the senses.
Visit Brain and SensesCelebration Candles & Cakes
Light a lifelike cake and candles, add a message, then blow them out.
Visit Celebration Candles & CakesiPhone apps
Apps marked Coming soon are waiting for Apple’s approval.
Income Tax Calculator Canada
Take-home pay by province, right on your iPhone.
App Store Income Tax Calculator CanadaOntario G1 Driver’s Test Prep
G1 practice tests you can take anywhere.
App Store Ontario G1 Driver’s Test PrepCanadian Citizenship Test Prep
Citizenship practice tests on the go.
App Store Canadian Citizenship Test PrepMortgage Calculator Canada
Canadian mortgage payments and affordability on your iPhone.
App Store Mortgage Calculator CanadaSleep Buddy: Soundscapes
Sleep sounds, timer and alarm for iPhone.
Coming soonDaily Buddy
A friendly daily tracker for water, medicines, pets and more.
Coming soon