Memory
It remembers, so you stop repeating yourself.
Chunk quietly learns the things that stay true about you — what you’re building, how you like answers, what you already tried — and brings them back exactly when they matter. Every piece of it is yours to see, change, or erase.
The gap
Most AI forgets you the moment you close the tab.
So every good conversation starts with the same twenty questions. What are you working on. Who is it for. How technical should this be. You end up being your own briefing document, over and over, and the answers never quite get past generic.
Chunk keeps the thread. Not a transcript of everything you have ever typed — just the handful of things that are still true about you, kept current and used with judgment.
How deep it goes
Three layers, from detail to portrait.
Memory is not one bucket of notes. It builds upward — specifics become patterns, and patterns become an understanding of how you actually work.
The specifics
Facts
Single, checkable details, pulled from ordinary conversation. No forms, no tagging. Each one is sorted, scored for confidence, and editable by you.
- Building an iOS app, launching in the fall
- Prefers short answers with the reasoning underneath
- Learning Portuguese, about a year in
The patterns
Insights
What no single message says out loud. Chunk notices the themes that repeat across many conversations — how you like to work a problem, the projects that keep resurfacing, the question behind your questions.
- Works best from a concrete example, then generalizes
- Returns to accessibility whenever design comes up
- Prefers being told the tradeoff over being told the answer
The portrait
Profile
A short, current summary of who you are right now — rewritten as things change, so finished projects read as history and new ones move to the front. It is what lets an answer start in the right place instead of a blank page.
“A solo developer shipping an iOS app this fall, after a decade in design. Wants direct answers with the reasoning shown, cares a lot about accessibility, and is learning Portuguese on the side.”
Facts are sorted across ten areas of your life, so the right ones can be found when they are needed:
How it learns
You just talk. It does the filing.
There is nothing to maintain. No prompt to write, no profile to fill in, no folder to keep tidy.
You chat
Normal conversation, on any device. Nothing to tag or mark as important.
It keeps what lasts
A bad morning is not a fact. A new job is. Passing moods pass; durable things stay.
It updates, not piles up
Changed jobs? The old fact is replaced, not duplicated. Memory stays current instead of contradicting itself.
It recalls with judgment
Each answer pulls only the few things that relate to what you just asked — not your whole history.
The difference
Same question. Very different answer.
Without memory
Four questions before a single useful word.
With memory
It already knew the brief. You just needed the draft.
Private by design
The deeper it knows you, the more carefully it holds it.
Personalization is only worth having if you trust where it lives. So memory is off until you ask for it, screened before it is stored, and erasable in one tap.
Off until you say so
Memory ships disabled. Nothing is remembered until you turn it on, and turning it back off stops new memory cold.
Checked on your device first
On iPhone, iPad, and Mac, messages are screened right on the device before anything is considered for memory at all.
Some things are never stored
Passwords, card numbers, government IDs and access keys are stripped out automatically — on your device, and again on our side. Belt and braces.
Sensitive topics stay quiet
Anything private is never volunteered in conversation. It surfaces only when you are the one who brings the subject up.
Memory expires on its own
Every fact has a shelf life, and the more personal it is, the shorter that shelf life gets. You can shorten it further any time.
Never used to train models
Encrypted in transit, and stored in encrypted format in our secure database. Your memory personalizes your answers and nothing else — it is not sold, shared, or used to train AI models.
Shelf life, by sensitivity
Chunk sorts each fact by how personal it is, then forgets it on that schedule — automatically, without you asking.
Everyday
Work, preferences, goals, hobbies
1 year
Personal
Health, relationships, places
6 months
Private
Anything you mark as restricted
3 months
Your controls
You hold the eraser.
Open Settings and you will see everything Chunk has remembered, in plain language. Nothing is hidden from you, and nothing is permanent.
Everywhere you think
One memory. Every device.
Mention it on your phone in the morning, and your Mac knows it that afternoon. Memory belongs to your account, not to an app — so the conversation picks up wherever you do.
Web
Any browser
iPhone
+ on-device screening
iPad
+ on-device screening
Mac
+ on-device screening
Vision Pro
Spatial
What you get
Every account remembers. Pro understands.
Free
The specifics, kept straight
- Facts learned from your conversations
- Recalled automatically when relevant
- Full view, edit, delete and export
- Every privacy protection, no exceptions
Pro
The patterns and the portrait
- Everything in Free, with far more room to grow
- Insights — the patterns across your conversations
- Profile — a living summary, always current
- Richer recall in every answer
Stop introducing yourself to your own assistant.
Turn Memory on in Settings whenever you are ready. Turn it off just as easily — and take everything with you when you go.
Memory is opt-in · Free accounts included · Erase it any time