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cogni

A quieter place for a busy mind

Your mind,
finally uncluttered.

Your mind was never meant to hold everything. Give your notes, links, and unfinished ideas a home in your own second brain — Cogni for iPhone.

Download on theApp StoreSee how Cogni works

Made for iPhone · Free to start

Cogni's rose-glass brain, surrounded by saved thoughts
All the things you’re holding
The idea at 2amThat article you savedA little reminderYour next big thingThe thought mid-walkA hundred open tabsHalf a grocery listThat thing you meant to ask

The loop

So much coming in. So little room to think.

01 · CAPTURE

Catch the thought.

A note, a link, a half-formed idea. It doesn't need to be tidy — it just needs somewhere to land.

02 · CONNECT

Find the thread.

Related thoughts come together on their own. Follow a connection, or just keep a path back to the original.

03 · RETURN

Take one small step.

Give a thought somewhere to go. Not every note needs a next action — but the ones that do get one.

Your thoughts. A little more connected.

A second brain. With room to grow.

Explore all features
See the bigger picture

Find the idea behind the idea.

Explore related notes in Graph, or the beta Brain view. Follow a connection. Rediscover the original thought that started it all.

Rose-glass illustration of Cogni's visual second brain
Think with AI

A fresh perspective. Still your thinking.

A little help with this note?

Summarize an idea. Explore a connection. Find a possible next step.

Optional, on request. Review every suggestion and keep your own words. Your AI choices ↗

Catch it your way

For thoughts that won’t wait.

NotesLinksVoice · ProMedia · Pro

Get it out before it disappears. Organizing can always come later.

Start with one thought

Less to hold. More possibilities.

Free for the everyday brain dump. Pro when you want to go deeper.

A place to land

Cogni Free

$0

For the thought you just need to get out.

  • Text and link brain dumps
  • Inbox and basic search
  • Read, edit, delete and export — always
Start with a little headspace
Most room

A place to grow

Cogni Pro

$47.99/yr

Works out to $4/mo

  • Everything in Free
  • A visual Second Brain and thought connections
  • Projects, tasks, reminders and focus sessions
  • Recall, reading and reflection tools
  • Voice, media and optional AI assistance
Download on theApp Store

Final localized prices, billing period and renewal terms are shown in the App Store before you subscribe.

Field notes

A little less mental housekeeping.

A quieter way to work

4 min read

A brain dump you can actually come back to

A five-minute routine for getting thoughts out of your head without quietly building another backlog.

5 min read

Your second brain should feel like less work

Keep the useful parts of personal knowledge management. Leave the elaborate filing system behind.

4 min read

Turn saved links into something you actually use

A small reading queue and one written takeaway beat a thousand tabs you'll never open again.

Before you make room

A few things on your mind?

No. Start with a text or link brain dump — it lands in your inbox exactly as you wrote it. When you have a spare minute, decide what to keep, revisit, or turn into an action. Everything else can just sit there. Nothing about Cogni requires a system before it's useful.

You don’t have to hold it all.

Give your thoughts somewhere to land.

Download on theApp Store

Free to start. Optional Cogni Pro subscription.