Critical Thinking
Stop taking things at face value and start spotting the hidden clues in every conversation. Learn to outsmart your own brain and make decisions you actually trust.
Like Duolingo, but for Critical Thinking. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 54 levels across 3 sections, about 108 minutes end to end, roughly 22 days at five minutes a day. It moves through Win Your Next Argument, Outsmart Your Own Brain, and The Science of Sharp Thinking. It starts from scratch.
Free forever · No credit card · iPhone & Android
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Critical Thinking the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
How to learn Critical Thinking, step by step
Go in order. 54 short levels across 3 sections, about 1 hour 48 minutes in all, five minutes a day.
- 1
Win Your Next Argument
- Spotting the 'So What?'
- How to Ask a Killer Question
- Finding the Hidden Assumptions
- Separating Facts from Feelings
- 2
Outsmart Your Own Brain
- Why Your First Guess is Often Wrong
- The Trap of Only Seeing What You Like
- Don't Fall for the Crowd
- How Emotions Cloud Your Judgment
- Spotting Tricks in the News
- The Power of Admitting You Don't Know
- 3
The Science of Sharp Thinking
- How Logic Actually Works
- The Difference Between Cause and Coincidence
- Building a Bulletproof Conclusion
3 sections · 13 units · 54 levels. Built to play, not to enroll.
Questions about Critical Thinking
How do I learn Critical Thinking?
Go in order: start with Win Your Next Argument, then Outsmart Your Own Brain, then The Science of Sharp Thinking. On Tomo that's 54 short levels, about 1 hour 48 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Critical Thinking?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Critical Thinking is one of its free courses, and you can type any other topic to get a course of your own.
Is the Critical Thinking course free?
Yes. Critical Thinking is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Critical Thinking?
54 levels across 3 sections, about 1 hour 48 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Critical Thinking?
No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Critical Thinking is taught in the Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
More Psychology on Tomo
Hack Your Own Brain
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Think for Yourself
Stop taking things at face value and start spotting the hidden tricks in everyday arguments. Learn how to pause, question, and make decisions you actually feel good about.
How Your Mind Works
Explore the fascinating mechanics of human behavior and thought. Learn why you make certain choices, how habits form, and how to better understand the people around you.
How Your Brain Tricks You
Discover why your mind doesn't always see the truth. Learn the secrets behind optical illusions, false memories, and the mental shortcuts that lead us astray.
Understanding People
Ever wonder why people do what they do? Learn to read the room, master your habits, and unlock the secrets of the human mind through practical everyday insights.
The Science of Why We Do Things
Discover the hidden forces that drive your behavior, from the quirks of your memory to the biological roots of your emotions.
Start Critical Thinking today.
Download Tomo, search Critical Thinking, and play your first lesson in under a minute.