BJJ Memo vs Paper Notebook vs Phone Notes: Which Keeps Techniques Longer?

TL;DR. Paper notebooks are great for the act of writing but terrible for search, revision, and linking back to the original video. Phone notes (Apple Notes, Google Keep) are convenient but turn into a messy wall of text within weeks. A dedicated BJJ notes app like BJJ Memo wins on retention because it forces structure, keeps the YouTube timestamp attached, and surfaces old cards before training. The right choice depends on how often you train, how much you watch instructionals, and whether you actually revise what you write.

Every grappler eventually asks the same question: where should I write this stuff down? The coach just showed a detail on the arm drag you've never seen before, and you know — from painful experience — that if you don't capture it tonight, it's gone. So you reach for a notebook, or your phone's default notes app, or a dedicated tool. Each one feels fine in the moment. The difference shows up two months later, when you try to find that detail again and can't.

This article is an honest comparison of the three most common options hobbyists actually use: a paper BJJ notebook, generic phone notes, and a dedicated BJJ notes app (we build one — more on that in a second). The goal isn't to sell you anything. The goal is to help you pick the format that matches how you train and how you learn.

Key takeaways

Paper notebooks force slow thinking but make searching for "that one knee-cut detail" nearly impossible.
Generic phone notes work for a month, then collapse into an unorganized scroll of half-finished entries.
A dedicated BJJ app wins when it keeps the source video linked to each note so you can rewatch the exact moment.
Retention comes from revision, not from capture — whichever format you pick, you need a weekly review habit.
If you only train once a week and don't watch instructionals, a paper notebook is probably enough.
If you study YouTube regularly, a structured app saves hours of "where did I save that?" friction.
BJJ Memo is honestly weaker than paper for pure writing feel and weaker than phone notes for non-BJJ life admin.

Founder disclosure

Full disclosure: we make BJJ Memo. We're grapplers who built the tool we wanted for ourselves — a way to turn a YouTube instructional into a structured technique card you can actually revise before training. That means we have a bias toward the "dedicated app" category. We've tried to be honest below about where paper and phone notes genuinely beat us. If you finish this article and decide a notebook fits your life better, that's a legitimate outcome.

Who each option is for

Paper notebook fits the grappler who learns best by writing by hand, trains 1–2 times a week at a single academy, and rarely watches instructional videos. The friction of writing slows you down, which is a feature for memory — but a bug if your source material is a 45-minute YouTube video with 12 details.

Phone notes (Apple Notes, Google Keep, Samsung Notes) fit the grappler who wants their notes with them at all times, uses the same app for groceries and work meetings, and doesn't mind manual organization. It's the easiest to start with and the easiest to abandon.

A dedicated BJJ notes app like BJJ Memo fits the grappler who studies YouTube seriously, trains 2+ times a week, and has already tried paper or phone notes and watched them fall apart. The structure is built around positions, submissions, and video timestamps — not around a blank page.

Comparison table

Feature	Paper Notebook	Phone Notes (generic)	BJJ Memo
Capture speed from a YouTube video	Slow — pause, rewind, write	Medium — screenshot + type	Fast — paste URL, auto-draft card
Search a specific detail 3 months later	Very hard	Hard (text search only)	Easy (by position/submission)
Rewatch the exact moment of the technique	Impossible	Needs manual link + timestamp	Built in
Organized by position / submission	Only if you build it	Only if you build it	Default structure
Spaced revision before training	Manual flipping	Manual scrolling	Built-in review flow
Works on the mat during class	Awkward	Fine	Fine
Writing-by-hand memory effect	Strong	None	None
Works offline in a cave	Perfect	Mostly	Mostly (cards cache)
Cost	Low (notebook + pen)	Free (built in)	Free tier + paid for full library
Learning curve	Zero	Zero	Low

Strengths of each option

Paper notebook

Writing by hand is one of the most well-documented ways to encode information. When you force yourself to summarize a technique in your own words on a page, you're already doing the first revision. A paper notebook is also beautifully durable, has no notifications, and never updates its UI the night before a tournament. For grapplers who learn primarily from live class rather than video, it's genuinely hard to beat.

Phone notes

Your phone is already in your gym bag. Apple Notes or Google Keep can capture a voice memo on the drive home, a screenshot of a position from Instagram, and a quick typed detail at the water fountain — all in one app you already know. For a casual hobbyist who takes maybe one note a week, this is often enough.

BJJ Memo

The reason we built it was simple: nothing we tried kept the video connected to the note. In BJJ Memo, you paste a YouTube URL, and the app extracts the transcript, builds a structured technique card (steps, key details, tappable timestamps), and files it in a searchable library organized by position. Before training, the app surfaces cards you haven't reviewed in a while so you walk onto the mat with the detail fresh. For a longer version of this argument, see our guide to turning a YouTube video into a technique you'll land in rolling.

Remember. The best note-taking system is the one you'll still be using in six months. If writing by hand feels like a chore, you won't do it. If opening a dedicated app feels like homework, you won't do that either. Pick the format that creates the least resistance for your brain.

Where BJJ Memo is honestly stronger

These are reasons, not adjectives.

Video stays attached to the note. With paper and phone notes, you capture the detail but lose the source. Three months later, you remember that there was a detail but can't find the clip. BJJ Memo keeps the YouTube URL and timestamp on every card.
Structure is enforced. Every card has fields for position, steps, key details, and common mistakes. You can't accidentally end up with a 400-word wall of stream-of-consciousness that's useless to future-you.
The revision flow exists by default. Paper and phone notes require you to invent a review habit from scratch (most grapplers don't). The app surfaces due cards; you don't have to remember to flip pages.
Position-based organization. Techniques are grouped by where you are on the mat (closed guard, side control bottom, back control). This matches how your brain searches during a roll. A paper notebook organized by date doesn't.
Transcript extraction speeds capture. You don't type the whole breakdown — the app drafts the steps from the video's transcript, and you edit. Capture time drops dramatically.

Where BJJ Memo is honestly weaker

This section is mandatory for us. If we skipped it we'd be the thing we hate.

No hand-writing memory effect. Typing (or editing an auto-draft) doesn't encode information as deeply as handwriting. If writing by hand is central to how you learn, a notebook beats us.
You can't take non-BJJ notes in it. Phone notes handle your shopping list, work meeting, and BJJ detail in one place. We don't — on purpose, but it's a real downside for people who want one bucket.
It requires a phone and a charge. A paper notebook works in a gym with no signal, dead phone, and strict "no phones on the mat" rules. We can't help you there.
Learning curve, however small. You have to learn where positions live, how the review flow works, and how to tag cards. A notebook is literally zero learning curve.
It's a newer product. Established formats like paper have decades of community lore around them (think about every black belt who's ever shown off a hand-drawn notebook). We're earning that over time.

Remember. No app can replace mat time, and no notebook can replace a qualified coach. These are retention tools. The techniques still get built in the room with your training partners.

Final recommendation by user profile

You train 1–2x per week, learn mostly from class, don't watch much video. Use a paper notebook. Keep it simple: one page per technique, organized by position, revised once a week. For a format guide, see our breakdown of the best BJJ note-taking methods compared.

You train 2x per week, occasionally screenshot something interesting from Instagram, don't study full instructionals. Phone notes are probably enough — if you commit to a monthly cleanup. Without that cleanup, it will collapse. Our article on the best alternatives to a paper BJJ notebook covers how to structure phone notes so they survive.

You train 2–4x per week, watch instructionals seriously, want to build a long-term game. A dedicated BJJ app is where the compounding gains are. The video-link + structure + revision loop is designed exactly for this profile. See how it compares to a saved-videos approach in our BJJ technique app vs video bookmarks breakdown.

You're a coach wanting students to review class. A paper notebook is almost impossible to share. Phone notes don't scale. A technique app is the only format that can realistically send structured class recaps to a group — covered in our coach's guide to getting students to review.

Hybrid is also fine. Many of our users keep a small paper notebook on the mat for immediate capture after class, then transfer the keepers into BJJ Memo at home where the video and structure live. Writing by hand for encoding, app for retrieval. That's a legitimate best-of-both setup.

Frequently asked questions

Isn't a paper notebook better for memory because of the handwriting effect?

For the moment of writing, yes — handwriting encodes information more deeply than typing. But memory requires revision, not just encoding. If your notebook sits closed on a shelf, the handwriting advantage disappears within weeks. The winning format is whichever one you actually revisit before training.

Can't I just use Apple Notes with folders for each position?

You can, and some grapplers make it work. The common failure mode: after a few months you have folders with inconsistent naming, half-finished entries, and no connection between a note and the video it came from. If you're disciplined enough to maintain structure manually, phone notes are fine. Most people aren't.

What's the single biggest reason people's note systems fail?

No revision habit. Grapplers obsess over the capture tool and forget that the capture is only step one. Whichever format you choose, build in a weekly review — even 10 minutes before training the next day makes a real difference. Our 10-minute post-training routine is a good starting point.

Is BJJ Memo free?

There's a free tier that lets you try the core capture-and-card flow. A paid tier unlocks the full personal library and advanced revision features. Pricing is on the website; we don't want to quote numbers in an article that will drift out of date.

Can I use BJJ Memo if I don't study YouTube instructionals?

You can — you can create cards manually from class notes or seminars. But if you never consume video, the biggest advantage of the app (video-linked cards) doesn't apply, and a paper notebook may serve you just as well.

Will any of this replace a real coach?

No. Note-taking tools help you remember and revise what you've already learned on the mat. Techniques still need a qualified coach to spot your mistakes and correct your mechanics. These tools are a complement, never a substitute.

Final word

There is no universally correct answer. There is only the format that fits your actual training life — the one you'll still be using in six months. If you train rarely and love writing by hand, buy a notebook. If you want one bucket for everything, use your phone's default notes. If you study video seriously and want retention to stop being a leaky bucket, try BJJ Memo and build a technique library that compounds.

Whatever you choose: capture it, structure it, revise it before training. That's the whole game.

For real feedback, mechanics, and safety, train with a qualified coach at a legitimate academy. BJJ Memo (and any notebook) helps you remember and revise — it doesn't replace mat time.

Last updated 2026-11-02.