Lumen · the study app I built for myself

Spend less time being a student. More time being a real person.

You shouldn't have to hold your whole semester in your head. Lumen holds it for you. Every due date, every class, every study session. One app.

7 apps. 7 logins. 7 subscriptions. Lumen: $0. Free. No Card.
Put my semester in one place! (works on your phone and your laptop, nothing to pay, nothing to cancel)
8:02● Lumen
Good morning, Jonah
Tuesday · here's your day
Start here
Anatomy: flipped lecture 6
focus session
Start focus session
Morning habitschecked off
Recall: Bio + Chemdaily review
Piano practicefocus session
Bio examnext week · study path ready
TodayClassesRecallFocus

my real Tuesday, not a made-up one

Sound familiar?

It's Sunday night. You're not sure what's due Tuesday.

So you open the class portal. Then your calendar. Then the syllabus PDF you haven't touched since the first week. Then your notes app, your flashcards, your planner.

Twenty minutes later you still haven't studied. You've just been looking for what to study.

That was me. Every week.

7

Seven apps were running my school year. And I was paying for every one of them. None of them talked to each other, so the only thing holding it all together was my brain at 2am.

(Never lost track of a due date? Stay with me. Because this same mess is why you can study for three hours and still feel behind.)

Holding it all in your head

Here's the thing nobody tells you.

It's not that you're lazy.

It's not your major. It's not your professor. It's not that you "aren't a school person."

And it's definitely not you.

It's that you're holding it all in your head. Your semester lives in seven places, and you're the only thing connecting them. That's a full-time job on top of your actual classes. Of course you're tired.

Honestly, the students who care the most get hit the hardest. You try to keep track of everything, so you carry everything.

And one more thing I learned building this. Rereading your notes feels like studying. It mostly isn't. What makes something stick is pulling it back out of your head a few days later. That's the whole idea behind Recall.

Every good semester runs on three moves. Lumen does all three in one place.

Step 1

Organize

Scan your syllabus and every due date lands in the app. One to-do list for every class, sorted by what's due first. A calendar, plus due dates pulled in from Brightspace.

Step 2

Absorb

Record a lecture and get it back written out. A short daily Recall review so what you studied actually sticks. Flashcards and quizzes made from your own class material.

Step 3

Optimize

A focus timer with timed steps. Grade and exam trackers. Habits and streaks. Squads, so you can study with your friends. And Lumie, an AI study helper.

What changes

Open one app. Know exactly what to do next.

...plus Study Science lessons, Lumie the AI study helper, and a lot more.

Show me my week in Lumen!

↓ Keep scrolling to see where to start ↓

Pick your problem. Start there.

If you keep finding out about things too late...

start with these:

  1. Syllabus scan
  2. One to-do list for every class
  3. Brightspace due dates, synced nightly
Sort out my due dates!

If you study and it doesn't stick...

start with these:

  1. Recall, the short daily review
  2. Lumie, to explain what didn't click
  3. Study Science lessons on how to study
Make it stick this time!

If you can't get yourself to start...

start with these:

  1. Focus timer with timed steps
  2. Habits and streaks
  3. A Squad with your friends
Help me get started!
Everything you get

Here's what you get. Free. Count it.

Not a trial. Not a "free for 7 days." This is the free plan.

01

Unlimited classes

Every class you're taking, labs included. No cap.

Free
02

Unlimited tasks, one list

Every assignment from every class, sorted by what's due first.

Free
03

Syllabus scan

Upload a syllabus and the due dates fill in on their own, each one tied to the line it came from.

Free
04

Calendar

Your week and month at a glance, with Brightspace due dates pulled in.

Free
05

Focus timer with steps

Break a study block into timed steps so you know exactly what the next few minutes are for.

Free
06

Recall

A short daily review that brings back what you studied, right when you'd start forgetting it.

Free
07

Grade tracker

Know where you stand in every class before the final.

Free
08

Exam tracker

Every exam in one place, so none of them sneak up on you.

Free
09

Habits and streaks

Check off the small stuff that makes the big stuff easier.

Free
10

Squads

Study with your friends and keep each other going.

Free
11

Lumie, the AI study helper

Ask anything about your classes, any hour.

Free

What you pay today

Free. No Card.

Eleven things. Zero dollars. Nothing to cancel.

That's a lot. I'm trying it!
Will this work for me?

Lumen is for you if...

You've reread the same page five times and none of it stuck.
You found out about a quiz the morning of. More than once.
Your syllabus is a PDF you opened the first week and never again.
You bought a planner. It's blank after week two.
You study for hours and your grade doesn't move.
You have ADHD, or something that feels a lot like it.
You're pre-med, pre-nursing, or in any major with labs stacked on top of lectures.
You're the friend who looks like they have it together. And you don't.
That's me. Let me in!
Jonah in his anatomy lab holding a dissection cat

anatomy lab. this is the semester Lumen has to hold.

In case we haven't met

Hey, I'm Jonah!

I'm a pre-med student with ADHD. This semester it's organic chem, orgo lab, anatomy, anatomy lab, health ed, comm, and piano. (Yes, piano. It's a lot.)

Most people see the 4.0. They don't see the seven tabs and the 2am grade math. I got really good at looking like I had it together.

So I built the app I couldn't find. One place that holds all of it, plus the stuff I kept wishing the other apps did.

I didn't build it on a whim. I've put over $25,000 of my own money into Lumen. Most of it went into research and development: digging into the most up to date research on how students actually learn best, and the best ways to stay organized, then building the app around what that research says. Lumen is run by a real, registered company, JH Legacy Official LLC. This isn't a side project I'll forget about.

And if you've seen my videos, you already know how I study. "10 things I sacrifice to keep a 4.0" has been watched 167,000 times. Lumen is that same system, turned into an app.

Here's what I actually used it for on one Tuesday in September:
  • It reminded me my bio exam was the next week
  • I did Recall quizzes for my bio and chem exams
  • One focus session for piano practice, one for anatomy flipped lecture 6
  • I recorded both of my lectures, then quizzed myself on them that afternoon
  • I checked off my morning habits

So it's been a lot!

I'll be honest. Lumen is brand new, and you'd be one of the first students on it. That's not a weakness. It means I read every message you send, and if you tell me what it should do, I can build it.

You don't have to do this the way I did. You don't need seven apps.

OK Jonah, I'm in!
The fair question

"But what if it misses a due date?"

Fair. It's the first thing my friends asked me too.

I've spent a lot of time on the syllabus scanner. It shows you the exact line from your syllabus that every assignment came from, so you can check it yourself in seconds. And if your school uses Brightspace, it syncs your due dates and updates every night.

And still: take the two extra minutes to look over your syllabus. Trust it, but check it. That's true of anything.

If you're going to class and watching the announcements too, you really shouldn't miss a due date again.

The catch

So why is it free?

Because students kept getting stuck on the price. And I'd rather you actually use it than think about money.

Here's the honest version. The AI parts cost me real money every time someone uses them. So a few of those have a daily limit. Everything that keeps your semester in one place, you can use as much as you want.

I'm one student, not a big company. I'm doing this to help people.

Start free. No card! (if it doesn't make your week easier, it isn't doing its job. You paid nothing, so you lose nothing.)
What staying put costs

Same apps. Same semester. Same Sunday night.

Nothing about your workload gets lighter from here. Midterms come. Then finals. The only thing you get to change is where it all lives.

Keep it in your head, and it's another semester of finding out about the quiz the morning of. Another exam where you studied for hours and it didn't stick. Another night doing grade math instead of sleeping.

Or put it in one place. And the first Friday you close your laptop with nothing hanging over you... you'll know. (It's a weirdly good feeling. You'll see.)

Your friends will notice too. You'll be the one they text: "wait, how are you on top of everything?"

Here's why it matters to me. College is some of the best time for connection you'll ever get. I don't want you spending it staring at seven tabs. The habits you build this semester are the ones you'll carry into med school, nursing school, or your first real job. Build ones that give you your time back.

Real questions, real answers.

This seems too good to be free. What's the catch?

The AI parts cost me money to run, so a few of them have a daily limit. The part that organizes your semester is free to use as much as you want. That's it.

Do I need a card to sign up?

No. Free. No Card.

Does it work on my phone?

Yes. It works on iPhone, Android and your laptop, right from lumenbyjonah.com.

My school doesn't use Brightspace. Does it still work?

Yes. The syllabus scan works with any syllabus from any school. Brightspace is just a bonus if your school has it.

I've tried Notion, planners, all of it. Why would this be different?

Those are blank pages you have to fill in and keep up. Lumen fills itself in from your syllabus, then puts everything in order by what's due first. It was built by a student using it every day, not a company guessing.

Can I ask for a feature?

Please do! Open Lumen, go to Settings, and tap Suggest a feature. It comes straight to me and I read every one. When I answer, my reply shows up right under your idea.

I'm not ready yet. Is there something smaller?

Yes. Grab the free semester setup checklist and I'll email you the rest of my system, one honest step at a time.

This semester goes one of two ways.

Keep it in your head.

Seven apps, a blank planner, and a Sunday night spent looking for what to study.

Put it in Lumen.

One list, every due date, and the next step already waiting when you open your phone.

Worst case? You try it, it's not for you, and you paid nothing.

Let's go, Jonah! I'm in! Free. No Card.
Jonah
Jonah
pre-med, ADHD, the guy who built Lumen
Start here

Everything I make, in one place.

Try LumenFree. No Card.→ Free semester setup checklistsent by email, plus a week of my best systems→ Free study templatesDM me a keyword on Instagram and they come right over→ Instagram@studyingwithjonah→ TikTok@studyingwithjonah→ YouTube@studyingwithjonah→