Our sites and iPhone apps
Everything ChowChow Labs makes, in one place. Each site is free to use without an account; read how each one works.
Our sites
Ontario G1 Driver’s Test Prep
Free G1 mock exams with road signs and rules of the road.
VisitCanadian Citizenship Test Prep
Practice tests based on the official Discover Canada guide.
VisitUS Citizenship Test Prep
Practice for the 2025 U.S. civics test, with interview practice.
VisitCanadian Take-Home Pay Calculator
See what you keep after tax, with 2026 federal and provincial rates.
VisitCanadian Mortgage Calculator
Mortgage payments, land transfer tax, affordability and more, the Canadian way.
VisitBrain and Senses
Ten quick challenges for reasoning, memory, attention and the senses.
VisitSleep Buddy
Calming sleep sounds you can mix, with a timer and gentle alarm.
VisitWaterDen
An independent Waterloo student forum for co-op and campus life.
VisitTrump’s Wacky Challenge
A silly cartoon tapping game. Pick a prop and drain his composure.
VisitiPhone apps
Apps marked Coming soon are waiting for Apple’s approval.
