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

  • Ontario G1 Driver’s Test Prep

    Free G1 mock exams with road signs and rules of the road.

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  • California DMV Prep 2026

    Free California DMV permit mock exams with signs and road diagrams.

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  • Texas DMV Prep

    Free Texas permit mock exams with signs and road diagrams.

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  • Canadian Citizenship Test Prep

    Practice tests based on the official Discover Canada guide.

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  • US Citizenship Test Prep

    Practice for the 2025 U.S. civics test, with interview practice.

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  • Life in the UK Test Prep

    Life in the UK Test mock exams: 24 questions, 45 minutes, like the real test.

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  • Canadian Take-Home Pay Calculator

    See what you keep after tax, with 2026 federal and provincial rates.

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  • Canadian Mortgage Calculator

    Mortgage payments, land transfer tax, affordability and more, the Canadian way.

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  • Brain and Senses

    Ten quick challenges for reasoning, memory, attention and the senses.

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  • Sleep Buddy

    Calming sleep sounds you can mix, with a timer and gentle alarm.

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  • Celebration Candles & Cakes

    Light a lifelike cake and candles, add a message, then blow them out.

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  • Purr Weather

    Forecasts worldwide with a cat companion who reacts to the weather.

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  • Purr Board Games

    Go, Chess, Checkers, Reversi, Gomoku and Connect Four, with ten levels each.

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  • Purr Puzzles

    Sudoku, Minesweeper, Nonogram and more, with ten levels each.

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  • WaterDen

    An independent Waterloo student forum for co-op and campus life.

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  • Trump’s Wacky Challenge

    A silly cartoon tapping game. Pick a prop and drain his composure.

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iPhone 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

  • Ontario G1 Driver’s Test Prep

    G1 practice tests you can take anywhere.

    App Store

  • Canadian Citizenship Test Prep

    Citizenship practice tests on the go.

    App Store

  • Brain and Senses

    Quick challenges for memory, attention and the senses.

    App Store

  • Mortgage Calculator Canada

    Canadian mortgage payments and affordability on your iPhone.

    App Store

  • Sleep Buddy: Soundscapes

    Sleep sounds, timer and alarm for iPhone.

    App Store

  • Trump’s Wacky Challenge

    The cartoon tapping game for iPhone.

    Coming soon

  • Daily Buddy

    A friendly daily tracker for water, medicines, pets and more.

    Coming soon