Our sites & apps

Everything we make at ChowChow Labs, an independent studio in Toronto, Canada.

Our sites

ChowChow Labs
Our company home, with every site and app we make.
Visit ChowChow Labs ↗
Ontario G1 Driver’s Test Prep
Free G1 mock exams with road signs and rules of the road.
Visit Ontario G1 Driver’s Test Prep ↗
Canadian Citizenship Test Prep
Practice tests based on the official Discover Canada guide.
You’re here
Canadian Take-Home Pay Calculator
See what you keep after tax, with 2026 federal and provincial rates.
Visit Canadian Take-Home Pay Calculator ↗
Canadian Mortgage Calculator
Mortgage payments, land transfer tax, affordability and more, the Canadian way.
Visit Canadian Mortgage Calculator ↗
Brain and Senses
Ten quick challenges for reasoning, memory, attention and the senses.
Visit Brain and Senses ↗
Sleep Buddy
Calming sleep sounds you can mix, with a timer and gentle alarm.
Visit Sleep Buddy ↗

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 for Income Tax Calculator Canada ↗
Ontario G1 Driver’s Test Prep
G1 practice tests you can take anywhere.
Coming soon
Canadian Citizenship Test Prep
Citizenship practice tests on the go.
Coming soon
Sleep Buddy: Soundscapes
Sleep sounds, timer and alarm for iPhone.
Coming soon
Daily Buddy
A friendly daily tracker for water, medicines, pets and more.
Coming soon