FOR ONLINE COURSES, QUALIFICATIONS & TECHNICAL LEARNING

Stop rereading. Start finding out what you actually know.

You’ve watched the lesson and taken the notes. Study The Stack makes you close them, find the gaps, and prove what you can actually recall, explain or do.

Useful when the course tells you what to learn but leaves the actual learning bit to you. Test first, stop wasting time on what you already know, then focus on what genuinely didn’t stick.

Example interface preview.

Free while we're in beta. After that: run one full General Stack free with no signup, then create an account for a 7-day full-access trial (no card). £19.99/month after that for everything.

The problem

Watched the lesson. Took the notes. Still blank when it matters?

That’s the bit most online courses quietly leave to you.

The video made sense while it was playing. Your notes look familiar. Then the quiz, coding task or explanation asks you to produce the answer without help.

And that’s when you find out whether it actually went in.

  • Recognition isn't recall

    Seeing the answer again can feel reassuring. Producing it with the notes shut is the real test.

  • Finishing isn't learning

    A completed lesson proves you reached the end. It doesn’t prove you can explain or use what was in it.

  • Confidence can mislead

    Study The Stack gives you a before-and-after check, so confidence has to answer to evidence.

Why Fail First

Stop spending equal time on everything

Test first and the weak bits show themselves. Then your study time goes where it can actually change something.

Example interface — not a real customer result.

How it works

The Stack in six moves

You don’t need a new productivity hobby. Each Loop walks you from ‘I think I know this’ to evidence of what you can actually recall, explain or apply.

  1. 1

    Fail First

    Try a quiz, task, or explanation before you study. It shows your real gaps, not your guessed ones.

  2. 2

    Find the Gaps

    See exactly what was wrong, missing, or just guessed.

  3. 3

    Build the Stack

    Work through focused notes and prompts, built around your gaps.

  4. 4

    Recall It

    Pull the answer from memory. No peeking at your notes.

  5. 5

    Explain and Apply

    Explain it in your own words, or use it in a real task.

  6. 6

    Check Improvement

    Retake the same test and see what actually changed.

Choose your stack

Courses, coding, labs, qualifications — same problem

Working through an online course or professional qualification? Learning coding, cyber or another technical skill on TryHackMe, Hack The Box or hands-on labs? Whether it ends in a quiz, an exam, a coding task or a real job skill, the point is the same: remember and use the material instead of just completing it.

General

Study a topic, video, article, chapter or anything standalone.

Course

Work through a structured course, module or qualification.

Use General for a standalone video, article or chapter. Use Course for structured training or a qualification. Same Fail First method, less faffing around.

  • Know where to start

    Fail First shows you the exact bits that need attention.

  • Focus on the gaps

    Work one gap at a time instead of rereading the whole bloody module.

  • Save and resume

    Stop mid-session and pick it up later without losing your place.

  • See what changed

    Compare before and after so ‘I studied for two hours’ isn’t the only evidence you have.

The Stack guides the process. You still do the learning.

Not built for passive note collecting, exam countdowns or ready-made answers — it won’t do the assignment for you either.

Why it’s different

It isn’t another note-taking or productivity app

Study The Stack makes you test first, expose the gaps, recall, explain or apply, then retest — so you end up with evidence of what changed, not just hours spent studying.

I built it because I kept hitting the same wall with online courses: plenty to watch, read and tick off, but very little that told me whether I could actually produce the answer myself afterwards. The process became test first, find the gaps, do focused work, retest. The tools came later.

Study The Stack is in beta. Early users help us find the confusing steps and cut the ones that don’t earn their place.

Get started

Make the next study session prove something

Use the course you’re already doing. Test first, find the gaps, work on what didn’t stick, then see what changed.

Free while we're in beta. After that: run one full General Stack free with no signup, then create an account for a 7-day full-access trial (no card). £19.99/month after that for everything.