Like Duolingo,
but for
critical thinking
Why reasonal?
As discerning adults, we're expected to think clearly, evaluate sources, resist manipulation, and make good decisions.
Oddly, though, we're rarely taught how to do any of this systematically, the way we're taught reading or math.
With Reasonal, we're changing that.
The antidote to brain rot
Reasonal brings ideas that actively engage your brain, not pre-digested material for passive consumption.
Fundamental skills you'll use every day
Critical thinking requires a collection of specific skills you apply in specific situations. Nobody is born good at all of this, but all of it can be learned. That's what Reasonal is for.
Interactive non-linear lessons
Our lessons are built around notable studies or events, and you explore them by following the threads that interest you most.
Real-life case studies
Practice questions are based on real situations, and every answer option comes with detailed feedback.
Made by humans, for humans
The internet is full of apps that can magically create lessons for you in seconds. Ours take weeks. We believe there's a certain quality to teaching that only comes from ideas you've spent enough time with. Good lessons aren't generated—they're researched, drafted, fact-checked, debated, abandoned, started again, rewritten, published, and revisited.
Everything you need for better reasoning
Take individual lessons that catch your eye, or work through complete courses on core topics.
Download Reasonal
Protect yourself from misinformation
Learn to recognize manipulation and AI slop
I did my own researchWhat learners are saying
"I never write reviews but I absolutely love this, 3 lessons in and I'm very impressed."
"Really thoughtful and well presented content. Easy to learn important concepts on the go when you have a few minutes of down time."
"Essential app for thinking logically and critically."
"This is weirdly satisfying. It makes me feel like I'm finally not wasting my time and doing something useful."
Frequently asked questions
Who is Reasonal for?
Reasonal is for professionals, students, lifelong learners, and anyone who wants to think more clearly and protect themselves from disinformation and manipulation. If you're tired of clickbait headlines, rage-bait arguments, questionable "studies" shared on social media, or conversations you later regretted wasting your time on, this app is for you.
What can I learn on Reasonal?
Reasonal teaches critical thinking, logical reasoning, data literacy, and media literacy through research-backed, non-linear lessons written by human experts.
You'll learn to spot logical fallacies, recognize cognitive biases, interpret statistics and research studies, and identify misinformation and manipulation tactics. Every skill applies to real life: news, work, money, decisions.
What are non-linear lessons?
Unlike traditional courses, Reasonal lessons adapt to you. Each lesson is built around real research and real-world examples, not hypothetical textbook scenarios. You choose what to explore, and the content changes based on your choices. If you already understand a concept, the lesson moves forward. If you want to go deeper, it lets you.
Is the content AI-generated?
No. Every lesson is written by human experts using verified sources. No AI generation, no hallucinations, no unverified claims or invented studies.
How is Reasonal different from other learning apps?
Exclusive content. Human experts research, fact-check, and write every lesson.
Research-backed lessons. Every lesson cites actual studies with names, dates, and data you can verify. You can be sure you are not learning AI slop.
Adaptive learning paths. The lesson changes based on your responses. Your path through a lesson won't be identical to someone else's.
How much does Reasonal cost?
Pricing varies by region. Reasonal offers monthly and annual plans, with the annual plan saving around 50%.
If you like Reasonal but can't currently afford a subscription, email us at hello@reasonal.co. We're happy to work something out.
Do you offer free trials?
Yes. Every new user gets a free trial with full access. No ads, no limits. We'll send a reminder before your trial ends.
How do I get a refund?
All Reasonal subscriptions are processed through the Apple App Store. Apple handles all purchase information and does not share billing details with developers, which means we cannot issue refunds directly. To request a refund, visit Apple's Report a Problem page, sign in with your Apple ID, select "Request a refund," and choose your Reasonal subscription. Refunds are at Apple's discretion. See Apple's official support page for details.