Our Sites and Apps
Everything ChowChow Labs makes. Each site is free to use without an account.
Our sites
Ontario G1 Driver’s Test Prep
Free G1 mock exams with road signs and rules of the road.
Canadian Citizenship Test Prep
Practice tests based on the official Discover Canada guide.
US Citizenship Test Prep
Practice for the 2025 U.S. civics test, with interview practice.
Canadian Take-Home Pay Calculator
See what you keep after tax, with 2026 federal and provincial rates.
Canadian Mortgage Calculator
Mortgage payments, land transfer tax, affordability and more, the Canadian way.
Brain and Senses
Ten quick challenges for reasoning, memory, attention and the senses.
Sleep Buddy
Calming sleep sounds you can mix, with a timer and gentle alarm.
WaterDen
An independent Waterloo student forum for co-op and campus life.
Trump’s Wacky Challenge
A silly cartoon tapping game. Pick a prop and drain his composure.