Brazilian Jiu-Jitsu journal

Remember the roll.Build your game.

Log what happened on the mat, keep the details that matter and turn each session into a clearer plan for the next one.

See how it worksPrivacy by design

Built for iPhone. Designed for every belt.

Last sessionNo-Gi

Knee cut passing

Mat time90minutes
Live work6rounds
Intensity4of 5
Next intention

Win inside position before committing to the pass.

Everything worth remembering

More reflection. Better rounds.

Built around the few minutes after training when the smallest detail can unlock the biggest improvement.

01

Tell the story of the session

Write or dictate naturally. On-device analysis identifies techniques, positions, outcomes, coaching cues and what to try next.

Knee cut · Headquarters · Worked
02

Build your technique library

Keep the cues that make a movement click, organise positions and track what is moving from learning to reliable.

Knee cut · Passing · Drilling
03

See the shape of your training

Review mat time, live rounds, consistency and submission balance without turning your journal into a spreadsheet.

6-week training volume
04

Train with an intention

Pin up to three techniques, cues or ideas, then connect the plan to the session where you put it into practice.

Next session · 2 clear intentions

A simple learning loop

Train. Reflect. Improve.

The journal stays out of the way during training, then helps you turn mat time into a useful record of your developing game.

01

Train

Put the phone away and get the work done on the mat.

02

Reflect

Capture what happened while the rounds are still fresh.

03

Improve

Use your own history to choose one deliberate focus for next time.

Private by design

Your mat notes stay yours.

No account, no advertising trackers and no developer-operated cloud. Your journal is stored locally on your iPhone.

Read the privacy notice

Founder Membership

10 days free. Then choose what fits.

Try every journal feature for 10 days with no automatic charge. Founder Membership is £7.99 once for lifetime access, available to the first 1,000 members while on sale. Or choose £4.99 monthly or £49.99 annually. Apple processes every paid option.

Purchase privacy

Developer & publisher

Built by ARJ Technology Consulting LTD.

BJJ Chronicles is developed and published in the United Kingdom by ARJ Technology Consulting LTD.

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