Messync is a Self-Organizing Second Brain that connects and reasons across your knowledge to give you verified answers in seconds. It understands PDFs, audio, images, and links without requiring any organization.

How does Messync work?

Messync uses three simple steps: 1) Connect - Link your Drive, Slack, Notion, and local files securely, 2) Synthesize - Our AI builds a private knowledge graph, 3) Query - Ask questions and get verified answers instantly.

Is my data private with Messync?

Yes, Messync is designed with privacy-first principles. Your data is never used to train public models, and you have full control to export your knowledge anytime.

For Independent Strategy Consultants

Turn a messy client project into conclusions you can defend.

Messync cross-examines your entire project across decks, spreadsheets, interviews, and notes. That way, you can skip the document grunt work and get straight to the thinking your clients pay you for.

Start with a real project

Free to start · No credit card · Zero setup

Where does management's explanation for declining retention conflict with what customers say — and what do the numbers show?

Management points to pricing as the main reason for declining retention, but the strongest signal across the project is onboarding friction.

Management identifies price sensitivity as the primary driver of churn.PDFQ2 Management Review.pdf[1]

But churn interviews repeatedly mention setup and activation problems before price.PDFChurn Interviews.pdf[2]

The retention data supports that pattern: customers who fail to complete onboarding churn at a substantially higher rate.XLSRetention_Cohorts.xls[3]

Taken together, the evidence points more strongly to onboarding than pricing as the primary retention issue.

+Ask anything about this project…

PDFQ2 Management Review.pdfPDF · Upload

PDFChurn Interviews.pdfPDF · Upload

XLSRetention_Cohorts.xlsXLS · Upload

CSVOnboarding Funnel.csvCSV · Upload

DOCSupport Tickets Q2.docxDOC · Upload

PDFPricing Survey.pdfPDF · Upload

+ 6 more sources…

A chat answers questions.
Messync investigates the project.

The Work Behind The Work

You’re paid to think.Too much of your time is spent digging.

Every client project comes with context scattered across decks, financials, interview notes, spreadsheets, and research. Before you can form an opinion, you have to find what matters, connect it across sources, and verify what you can stand behind.

Find what matters

You know the number, quote, or signal is in there. Finding it means reopening files, searching pages, and hunting for something you’ve already seen.

Connect the dots across sources

The useful conclusion rarely lives in one document. It emerges when you compare the brief with the numbers, the interviews with the metrics, and the client’s assumptions with the evidence.

Verify before you present

AI can give you an answer in seconds. But if an important claim sends you back to the original files to check where it came from, the manual work never disappeared.

Your judgment is the valuable part. Document work shouldn’t get in the way.

Don’t organize the project.Interrogate it.

Messync treats the whole project as one investigation — not a collection of files to search one by one.

Bring in the material as it is, ask questions across the whole project, and trace every important conclusion back to the evidence.

Bring the whole project

Add the decks, reports, spreadsheets, interview notes, research, and links.

No folder structure to design. No tags to maintain. No database to build first.

Northstar — Retention Strategy0 sources

Q2 Management Review.pdf

Retention Cohorts.xls

Churn Interviews.docx

Market Study ↗

Onboarding Funnel.csv

Drop project files here · PDF · XLS · DOCX · Links

Where does management's explanation for declining retention conflict with what customers say?

Management blames pricing[1], but interviews point to onboarding friction[2] — and the retention data backs the interviews[3].

1Q2 Management Review.pdfSlide 12

2Churn Interviews.docxInt. 4

3Retention Cohorts.xlsTab Q2

Ask across sources

Compare what management says with what the numbers show. Trace patterns across interviews. Test assumptions against research. Find contradictions between sources.

Ask the questions that normally require you to open five files and connect the evidence yourself.

Follow the evidence

Important conclusions stay connected to their sources.

Click a citation to open the supporting passage in the original document and inspect the evidence in context.

What is behind the 14% drop?

Accounts that never finished onboarding fell from 65% to 51%, with setup friction coming up again and again in the interviews.

Hover a citation to inspect the source

The project becomes useful before you organize it.

Start with a real project

Free to start · No credit card · Zero setup

Across The Engagement

One project.Different questions as the work evolves.

Messync stays useful throughout the engagement — from getting up to speed to investigating what doesn’t add up and defending conclusions when they matter.

Get up to speed without reading everything first.

At the start, you’re facing decks, interviews, spreadsheets, research, and documents you haven’t absorbed yet. Interrogate the project to understand what matters before reading every source cover to cover.

What problems recur across interviews, and which ones also show up in the data?

3 recurring themes

Slow onboarding

8 of 12 interviews

Also appears in activation data

InterviewsCohorts

Unclear handoffs

6 of 12 interviews

Especially common in enterprise accounts

InterviewsProject Notes

Low initial activation

5 of 12 interviews

Matches lower 30-day retention

InterviewsCohorts

PDFQ2 Management Review.pdfPDF · Upload

PDFChurn Interviews.pdfPDF · Upload

XLSRetention_Cohorts.xlsXLS · Upload

CSVOnboarding Funnel.csvCSV · Upload

DOCSupport Tickets Q2.docxDOC · Upload

Understand the project. Find what doesn’t add up. Defend your conclusions.

Start with a real project

Free to start · No credit card · Zero setup

Built For Work You Have To Stand Behind

Don’t take the AI’s word for it.

A confident answer isn’t enough when you’re putting your name behind a conclusion.

Messync keeps every important conclusion connected to its evidence — so you can inspect the source, check the context, and decide what you stand behind.

Grounded in your project

Messync reasons strictly from the sources inside the project. If the evidence isn’t there, it tells you — instead of filling the gap with outside knowledge or unsupported assumptions.

What was the main reason churn increased in Europe in Q1 2023?

I can’t support that conclusion from the sources in this project.

The available retention data starts in Q2 2023, and none of the uploaded reports explain Q1 churn by region.

Evidence not found in project sources

Verify in one click

Important conclusions stay connected to their sources. Click a citation to open the supporting passage in the original document and inspect the evidence in context, right beside the analysis.

Accounts that failed to complete onboarding saw the sharpest retention decline. [Retention Cohorts.xls]

Source · Retention Cohorts.xls · Q2 cohort analysis

Segment	Q1	Q2	Change
Completed onboarding	82%	79%	−3%
Incomplete onboarding	65%	51%	−14%

Your judgment stays yours

Messync surfaces patterns, contradictions, and evidence. You decide what matters, what it means, and what you’re willing to stand behind.

Evidence

Onboarding completion is strongly associated with retention across the current project sources. [3 sources]

Interpretation

This suggests onboarding may be a more important retention driver than pricing.

Your call

Working conclusion: Prioritize onboarding diagnosis before pricing changes.

Messync handles the digging. You make the call.

Start with a real project

Free to start · No credit card · Zero setup

Built for client work

Your clients don’t share context.Neither should their projects.

Client work requires clear boundaries. Messync keeps each project separate and gives you control over what information becomes part of the work.

One project, one context

Each project keeps its own sources, questions, and context. One client’s work never gets mixed with another’s.

Your data doesn’t train models

Your client documents and queries aren’t used to train AI models. We work with providers whose terms prohibit that use.

You decide what goes in

You choose which documents, data, and links become part of the project. Messync doesn’t add external sources on its own.

One client. One project. One context under your control.

Start with a real project

Free to start · No credit card · Zero setup

The Right Tool For The Job

Storage isn’t analysis.A chat isn’t a project.

General AI is great for working through prompts and individual tasks. Knowledge tools are built to capture and organize information over time.

Messync is built for a different job: investigating a client project across sources while keeping conclusions connected to their evidence.

User

Analyze these interview notes and identify the main churn themes.

📎 Interview Notes.docx

Assistant

Three themes stand out:

1.Onboarding friction
2.Slow time-to-value
3.Pricing concerns

For individual tasks

General AI

Draft, brainstorm, analyze, rewrite, and work through questions in a conversation.

Client Research

📁/Interviews

📁/Market research

📁/Metrics

📁/Meeting notes

Source	Type	Topic
Interview 01	Notes	Churn
Market report	PDF	Competition
Q2 Metrics	Sheet	Retention

For organizing knowledge

Knowledge tools

Build pages, databases, folders, and systems to organize information over time.

ProjectRetention Strategy

Management Review.pdf

Churn Interviews.docx

Retention Cohorts.xls

Customer Research.pdf

Question

“Where does management's churn explanation conflict with the evidence?”

Evidence · Management points to pricing, but interviews and retention data point more strongly to onboarding friction.

Evidence → Judgment

For investigating client work

Messync

Treat the project as one investigation. Ask across sources, find what doesn’t line up, and trace important conclusions back to the evidence.

Different tools. Different jobs. Messync is where a client project becomes an investigation.

Start with a real project

Free to start · No credit card · Zero setup

Simple pricing

Try it on a real project before paying.

Start free with your own files. If Messync earns a place in your workflow, the Founder's Pass is €39/month.

Founder’s Pass

€39/ month

Early customers keep this price while their subscription stays active.

Try it on a real project

Start free · No credit card

Includes:

Unlimited projects and cross-source investigation
Verifiable citations to the original passage
Separate contexts for each client project

See full pricing details →

Your project is already there.Start investigating it.

Bring in your current project. Ask the question that would normally send you through multiple files, trace the conclusion back to the evidence, and decide what it means.

Messync handles the digging. You make the call.

Start with a real project

Free to start · No credit card required · Zero setup

Turn a messy client project into conclusions you can defend.

You’re paid to think.Too much of your time is spent digging.

Find what matters

Connect the dots across sources

Verify before you present