Independent software company · Finland

Ruzin Company

We help teams find and build useful AI workflow automation, alongside focused software for money decisions, wellbeing patterns and everyday utility tasks.

Each product starts with one clear job. The technology stays in service of that job, not the other way around.

Find a starting point with AI Browse the software

For teams

AI workflow automation for repetitive business tasks.

Not sure where to start? We help you find useful opportunities in your team's work. Already have a task? We assess email and quote handling, document entry or internal search, then validate a focused pilot with human approval where it matters.

Explore AI workflow automation

Quote request demo with an inbox, original email, checks and a review step — Reference workflow · fictional data · no customer system write

What changesOne workflow, tested before rollout.

Agree on the inputs, expected outputs and review points. Test normal cases and exceptions against your examples.

People stay in control

For operators and freelancers

Make the money question easier to check.

Three focused reconciliation tools compare marketplace payouts with bank deposits. CheongguLab helps Korean freelancers work backwards from what they need to receive.

Payout reconciliation

Reconciliation tools

Check whether the money that should arrive actually did.

Choose the tool built for the export you already have. Each one runs in the browser, uses conservative one-to-one matching, and leaves uncertain cases for review.

No login
CSV stays in browser
Ambiguity stays visible

Delivery operators

Payout Recon

DoorDash + Uber Eats payouts

Etsy sellers and bookkeepers

Etsy payout reconciliation

Etsy Payments deposits

Airbnb hosts and bookkeepers

Airbnb payout reconciliation

Airbnb Earnings payouts

Independent tools. Marketplace names and trademarks belong to their respective owners.

CheongguLab homepage showing a Korean freelance quote and take-home pay calculator — Live product screen · example values

Freelance pricing · Korean

청구랩

Work backwards from what you need to receive.

Calculate a quote from target take-home pay, working time, withholding tax, VAT and platform fees. The public product and guidance are in Korean.

Korean only
3.3% + VAT
Saved quotes

Open CheongguLab

Personal apps and utilities

Different products, each with one job.

Sorrel and Align are Android apps with machine learning that runs on the phone. Tools is a Korean-language collection of browser utilities.

Wellbeing patterns

Sorrel

Connect mood, sleep, food and habits.

Track the parts of a day in one Android app, then look for patterns over time. Sorrel's machine-learning features run locally on the phone.

Android app
On-device ML

Visit Sorrel Google Play

Sorrel Android app screen connecting mood, sleep and habits — Official Sorrel app screen

Private reflection

Align

Notice what keeps showing up.

Leave a quick mood note and look back at recurring themes. Align is local-first, and its machine-learning features run on the phone.

Android app
Local-first
On-device ML

Visit Align Google Play

Korean web utilities

Tools

Focused browser utilities for everyday formatting and conversion tasks. The interface and guidance are available in Korean only.

Open Tools in Korean

Text서식과 검사

Data변환과 검증

Image준비와 변환

How we work

Good software starts with one clear problem.

Useful technology should make the work easier to understand, not harder to question.

Start with the actual job

Understand what a person is trying to do before choosing the software or model.

Keep the important parts visible

Show sources, decisions, limits and failures instead of hiding them behind a neat answer.

Test the difficult examples too

A useful result has to survive the unusual cases, not only the happy path.

small scope first · evidence before confidence

Choose the useful next step

A repeated team task or a product of your own?

Start in the place that matches what you came to do.

For a team workflowFind an opportunity or assess a task you already know.Explore AI automation consulting Check your workflow Explore the automation service

For a productOpen the product that matches the job in front of you.Payout Recon Etsy reconciliation Airbnb reconciliation 청구랩 Sorrel Align Tools