The journal you never write.
Tracebrain is an AI journal that writes itself from your conversations: every night it reads the day's Telegram and WhatsApp chats and writes the entry - what was decided, what you promised, what was promised to you, what you paid - in a Markdown file you own. You do not type into it.
The problem with journaling
Every journal starts with an empty page.
The case for keeping a journal is not in dispute. The case against keeping one is always the same: it is a daily piece of homework, and it comes due at the hour you have least left to give it. AI journaling apps have made that homework better company - they ask a question back, they notice a pattern across the month, they let you talk instead of type - but they have not made it optional. Every one of them still needs you to start.
So the entries that get written are the ones you had energy for, which is not the same as the ones that mattered. The evening you agreed a price and promised a deadline is the evening you went to bed. Three weeks later you remember that something was agreed with somebody, and the only honest record of it is a Telegram thread you now have to scroll.
Meanwhile that record already exists, in full, with timestamps. Your day was mostly conversations, and the conversations were written down as they happened. Tracebrain reads them and writes the day up for you. The entry is waiting in the morning, dated, with every promise in it, and nobody had to feel like journaling at half past eleven at night.
One day
What last Tuesday looks like when nobody writes it.
An invented day for an invented founder, in the shape Tracebrain writes: first as the app shows it, then as the file it is kept in.
Tuesday, 6 October
- Agreed with Yusuf Demir that the import ships before the launch, not after.
- Marta Lindqvist wants September's numbers before she talks to her partner.
- Ship the Telegram import first and leave the dashboard for November.
- Marta Lindqvist: September revenue and sign-ups, by Thursday 8 October.
- Yusuf Demir: a test account on staging, tonight.
- Yusuf Demir: the import running end to end by Friday.
- Hanna Kovalenko: the photos from Saturday.
- Paid Yusuf Demir €1,200 for September.
- Whether the launch waits for the dashboard. Marta Lindqvist thinks not.
--- date: 2026-10-06 review: done --- # Day 2026-10-06 ## Main - Agreed with [[Yusuf Demir]] that the import ships before the launch, not after. - [[Marta Lindqvist]] wants September's numbers before she talks to her partner. ## Decisions - Ship the Telegram import first and leave the dashboard for November. ## I promised - [[Marta Lindqvist]]: September revenue and sign-ups, by Thursday 8 October. - [[Yusuf Demir]]: a test account on staging, tonight. ## Promised to me - [[Yusuf Demir]]: the import running end to end by Friday. - [[Hanna Kovalenko]]: the photos from Saturday. ## Money - Paid [[Yusuf Demir]] €1,200 for September. ## Agreed - The weekly call with [[Yusuf Demir]] moves to Monday mornings. ## Open - Whether the launch waits for the dashboard. [[Marta Lindqvist]] thinks not. ## People - [[Yusuf Demir]] - contractor, the import - [[Marta Lindqvist]] - angel investor - [[Hanna Kovalenko]] - sister ## Tasks - [ ] Send [[Marta Lindqvist]] September revenue and sign-ups - by Thursday 8 October - [ ] Set up a staging test account for [[Yusuf Demir]] - tonight ## Projects - [[Telegram import]]
Ten headings, always the same ten in the same order, because an entry whose shape changes with the mood of the day cannot be searched a year later. Main is the day in two lines. Decisions and Agreed are what you settled. I promised and Promised to me are the two debts a week produces and nobody tracks. Money is what moved. Open is the question still hanging. People is who you talked to, Tasks is the promises turned into a list, each one linked to the person waiting for it, and Projects files the day under the work it belonged to.
Everything in the entry is traceable to a message. The promise to Marta is in the entry because she asked for the numbers and you said Thursday; the €1,200 is there because you said you had sent it. Nothing is inferred about how the day felt, because that is not readable from a chat without inventing it.
The landscape
AI journals, by who writes the entry.
The AI in a journaling app usually helps you write. The question worth asking is what happens on the days you do not.
| Product | Price | Who writes the entry | Knows what you promised people |
|---|---|---|---|
| Rosebud | Free plan; Bloom $12.99 a month, or $107.99 a year | You write or talk to it; it replies and asks the next question | No |
| Day One | Basic free; Silver $49.99 a year; Gold $74.99 a year | You write it; Gold summarises and suggests prompts | No |
| Mindsera | Curious free; Genius $14.99 a month, or $129 a year | You write, dictate or photograph a handwritten page | No |
| Tracebrain | $20 per month, after 7 days free. No free plan | Nobody. It is written from your Telegram and WhatsApp conversations | Yes: who promised what, to whom and by when, from the messages themselves |
Prices and plan names read on 7 October 2026 from rosebud.app, dayoneapp.com and mindsera.com. Tracebrain is the most expensive row and the only one with no free plan; what you get for the difference is the column next to it. Each of the three is a better place to write than Tracebrain, which has nowhere to write at all.
For Rosebud users
Two different reasons to keep a journal.
Rosebud is the AI journal people mean when they say the phrase, and it is good at a thing Tracebrain does not attempt. You write or talk, it answers, it asks the question underneath the one you answered, and over months it tells you what you keep circling back to. Its own pages, read on 7 October 2026, offer a free plan and Rosebud Bloom at $12.99 a month or $107.99 a year, with the long-term memory in the paid tier. If journaling is how you think, that is the product, and this page is not trying to take it off you.
The reason people come looking for something else is the other half of journaling: the record. Not how Tuesday felt, but what was agreed on Tuesday, what you promised and to whom, and what is still open. That half is a reporting job, and it is the half that quietly stops getting done, because remembering to write down a promise is the same problem as the promise itself.
Choose Rosebud if you want to be asked good questions, you want your mood and your patterns tracked, you want guided prompts and voice entries on a phone, or you want a free tier. Choose Tracebrain if most of your day happens in Telegram and WhatsApp, you want the record written whether or not you felt like writing, and you want it as plain Markdown you can open in Obsidian and keep when you leave. Some people want both, and nothing stops that: one is where you think, the other is what happened.
How the entry gets written
Three steps, and you are in none of them.
Connect a messenger once
Telegram connects through your own login, read-only, and brings your one-to-one history with it, so your first entries can be written about days that have already happened. WhatsApp connects as a linked device, the way WhatsApp Web does. Both can be revoked from the messenger itself.
Every night, the day is read
The day's conversations are read in one pass and written up under the ten headings. An entry is written once: when the nightly run marks it finished, later runs leave it alone, so a note you have read and edited is not quietly replaced by a second attempt at the same day.
Promises become a list
Every open promise in the entry is added to your task list against the person waiting for it, and when a later message settles it the task closes. That is the part a journal usually cannot do, because a journal does not know what happened after you closed it.
Honest limits
Four things this journal will not do.
Ask you how you feel
No prompts, no mood scale, no reflection questions. If that is what a journal is for you, the apps in the table above are built for it and this one is not.
Know about the day you did not talk
A day spent reading, walking or thinking leaves almost nothing in a messenger, and the entry for it is short and honest about that.
Read calls, meetings or email
Next on the roadmap. Until they ship, what was agreed on a call is in your journal only if somebody mentioned it in a chat afterwards.
Live on your phone
Tracebrain is a web app with no iOS or Android app. The journal is Markdown, so Obsidian on a phone opens it, but there is no app to tap at bedtime.
Read further
The rest of the memory.
The daily entry is one of three things Tracebrain writes. The other two are a profile of every person you talk to and a list of what you owe them.
AI second brain
What it remembers about one person and one day, the second-brain landscape, MCP, and the vault in Obsidian.
Read more →Personal CRMThe personal CRM that builds itself
The same conversations, filed by person: who they are, what was promised, birthdays and contacts, against Dex, Mesh and the rest.
Read more →PricingOne plan, $20 a month
The price, the 7-day trial, who takes the money, and what happens to your vault if you stop paying.
Read more →FAQ
Questions people ask about AI journaling.
What is an AI journal?
A journal an AI takes part in. Most AI journaling apps take part at the writing end: you type or dictate the entry and the AI replies, asks a follow-up question, names the emotion it reads in your words or summarises the week. Tracebrain takes part at the other end. It writes the entry itself, from the conversations you had that day, and there is nothing for you to type.
Is there a journaling app that writes the entry for me?
Tracebrain. Connect Telegram or WhatsApp once, and every night it reads the day's one-to-one conversations and writes the entry: what was decided, what you promised, what was promised to you, what you paid, what is still open, and who you talked to. The three AI journals we checked on this page all begin with an empty page and a prompt.
Is Tracebrain a Rosebud alternative?
Only for one of the two reasons people journal. If you journal to think - to sit with a feeling, answer a prompt, be asked a good question back - Rosebud does that and Tracebrain does not. If you journal to keep a record of what actually happened and what you owe people, Tracebrain keeps it without you writing it. The Rosebud section says which of the two you are.
Does it track my mood?
No. There is no mood score, no emotion graph and no wellbeing report. The entry records what was decided, promised and paid, because that is what can be read from a conversation without guessing at how you felt about it.
Can I keep my journal as Markdown files?
That is what it already is. Each day is one Markdown file in 01_Daily/, with the headings above, and you can download the whole vault as a zip at any time; it opens in Obsidian as a vault of its own. The Obsidian section of the hub shows the folder it comes in.
Does it journal my group chats?
Not yet. Telegram and WhatsApp are read one-to-one; groups, channels and bots are skipped. A team that wants one shared record of client threads can follow that on the company memory page.
Who can read my journal?
Tracebrain is hosted in Germany and keeps one isolated vault per person. To write the entry, the text of the day's conversations is sent to Anthropic's Claude models and the result comes back. The Privacy Policy names every company that touches anything and what each one sees.
What does it cost?
$20 per month after a 7-day free trial, with no free plan - more than every AI journal in the table above. The pricing page says what is in it and what happens if you stop paying.
Start
Tomorrow morning, last night is already written.
Connect Telegram or WhatsApp and the history you already have becomes the first entries, before you have written a word. A week of your own days is the only way to tell whether a journal you do not write is a journal you would read.
$20 per month after 7 days free. A card is taken when the trial starts; cancel before it ends and you pay nothing.