- Product managers
- Marketers
Statistics for Product Managers and Marketers
Read metrics honestly, run A/B tests that hold up and stop being fooled by averages.
24 lessons · ~12 h 27 min of learning
Lesson 1: Typical value: mean, median, mode
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Learn the skills behind great product decisions
Free, bite-size courses for product managers and marketers: product analytics, statistics, customer interviews, roadmaps, Git and building a profitable product without investors. Learn in a chat with a mentor, practise on realistic cases and get instant AI feedback.
- No sign-up to start
- Free, no paywall
- 8 courses · 139 lessons
- Lessons as a conversation with a mentor, one step at a time
- Instant AI feedback on your written answers
- Module exams and a certificate for every course
How it works
Short stories you tap through on your phone. No lectures, no videos, no pressure.
Step 1 of 5
Read a short idea
Each step is a few lines: a scene from work or one clear explanation. A minute of reading, not a lecture.
Step 2 of 5
Check yourself right away
A quick question comes straight after. Tap an answer and see at once why it’s right or wrong.
Step 3 of 5
The lesson flows like a conversation with a mentor
The mentor explains one thing at a time, and you tap Continue when you’re ready. Your pace, not a timer.
Step 4 of 5
AI checks your answer and explains
Write an answer in your own words. The AI reviewer points to the weak spot, so your next try lands. Free, with a login.
Step 5 of 5
Progress and a certificate
Lessons add up to modules. Finish a course and get a certificate with a link anyone can check.
Why stories work
Get comfortable and tap along. Learning here isn’t meant to feel like work.
A story sticks
You’ll remember what happened to the hero long after a list of rules has faded.
Someone else’s mistake teaches for free
You watch the hero slip up and see what it cost. Next time you won’t repeat it.
Small steps don’t tire you
A few lines, a tap, a few more lines. Lie back and go at your own pace.
Where do you want to start?
Every course opens straight on lesson 1, no account needed. Log in later to save your progress, get AI feedback and take the exams.
- Product managers
- Marketers
Customer Development: Talking to Customers
Run customer interviews that give you facts, not compliments, and tell real demand from politeness.
15 lessons · ~7 h 58 min of learning
Lesson 1: Why “do you like my idea?” is useless
- Product managers
- Marketers
Git and GitHub for Product People
Read a repository, review a pull request and follow a change to release, all in the browser.
15 lessons · ~8 h 29 min of learning
Lesson 1: Why teams keep history: version control without fear
- Product managers
- Marketers
Outcome-Based Product Roadmaps
Build a roadmap around outcomes, prioritise in the open and win buy-in without promising dates.
15 lessons · ~9 h 9 min of learning
Lesson 1: What a roadmap is (and isn't)
- Product managers
- Marketers
From Idea to Profitable Product: Building Without Investors
Take a software product from idea to profit without investors, deciding each step on your own numbers.
30 lessons · ~9 h 56 min of learning
Lesson 1: Your own money or investors?
- Product managers
- Marketers
- Managers
- Founders
Finance for Product People: From Unit Economics to Business Cases
Put numbers behind product decisions: unit economics, P&L, cash flow, NPV and budgets on realistic data.
4 lessons · ~1 h 38 min of learning
Lesson 1: Contribution margin: what one lesson leaves
- Product managers
- Marketers
Product Analytics: From Data to Decisions
Turn product data into decisions: honest metrics, funnels, retention, A/B tests and LTV on realistic data.
32 lessons · ~12 h 9 min of learning
Lesson 1: Events, properties and users
- Everyone
Personal Finance: Budget, Safety Cushion, Debt and Investing
Take charge of your money: a spending plan, a safety cushion, the real cost of loans and investing without illusions.
4 lessons · ~1 h 36 min of learning
Lesson 1: Tracking a month without a spreadsheet habit
Questions before you start
Is it really free?
Yes. Every lesson, exercise, AI check, exam and certificate is free. There's no trial and no paywall.
Is it just text? No video?
Yes, on purpose. Lessons are short dialogs with a mentor and scenes from work, with quick exercises in between. You read at your own pace on any screen, stop at any step and pick up where you left off. No video to sit through, no sound needed.
Who checks my answers?
Quizzes are checked instantly, right in your browser, with an explanation. Written answers are checked by an AI reviewer: it gives a score and points out what to improve. AI checks are free and need a login, so your answers and progress are saved.
Do I need an account?
Not to start: lessons and quizzes work right away. Log in with email or Google (also free) to save your progress, get AI feedback on written answers and take module exams.
How much time does it take?
Most lessons take 15–40 minutes, and you can stop at any step. A whole course takes 3 to 12 hours.
Who is it for?
Product managers, marketers and the people who work with them: founders, analysts, designers. You don't need a maths or coding background.
Do I get a certificate?
Yes. Finish every lesson of a course and pass its module exams to get a certificate with a link anyone can check.
Your first lesson is one click away
Pick a topic and start now. It's free, and you don't need an account.
- Statistics for Product Managers and Marketers
- Customer Development: Talking to Customers
- Git and GitHub for Product People
- Outcome-Based Product Roadmaps
- From Idea to Profitable Product: Building Without Investors
- Finance for Product People: From Unit Economics to Business Cases
- Product Analytics: From Data to Decisions
- Personal Finance: Budget, Safety Cushion, Debt and Investing