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For freelancers and solo studios

Get paid
without the chase.

Leads in your DMs, proposals in a doc, invoices in a spreadsheet, and money you have to chase. Studio OS puts it all on one calm desk, shows exactly who owes you, and puts a Pay now link on every invoice.

  • Pay once, no monthly fee
  • No account
  • Records stay on your device
  • Phone, iPad & computer
Studio OS home screen: outstanding, collected, and who owes you
The real app, running the sample desk. Silent loop.

Before and after Studio OS

Before

  • Leads scattered across texts, DMs, and email.
  • Proposals in a doc, with “sounds good!” somewhere in a thread.
  • Invoices in a spreadsheet you forget to check.
  • Awkward follow-ups because you aren’t sure who paid.
  • Another monthly fee for a tool built for bigger teams.

With Studio OS

  • Every lead on one board: Lead, Talking, Proposal sent, Won.
  • A proposal page your client can Accept, recorded in one click.
  • Invoices with your own Pay now link, PDF, or a message for chat.
  • Home shows who owes you, how much, and how many days late.
  • $49 once. No subscription, no account.

How it works

From “maybe” to paid, in four steps.

The same loop every job goes through. Studio OS keeps it in one place, so nothing slips.

01 · Leads

See every job you could win.

Each lead moves Lead → Talking → Proposal sent → Won or Lost, with an optional estimate. Home adds up what is still in play. One tap turns a won lead into a client.

Leads board: stage counts with estimates, and a list of leads with stage, estimate, and source
02 · Proposals

Your client presses Accept.

Build a proposal line by line and share its page. Your client types their name, ticks the box, and presses Accept. Their mail app sends you the acceptance, and you record it in one click.

An emailed acceptance, not a certified e-signature.

Client’s proposal page: type your full name, tick I accept, press Accept
03 · Invoices

A Pay now button on every invoice.

Add your own payment link once, from Stripe, PayPal, Square, or any https page. It shows as Pay now on the invoice page, the PDF, and the chat copy until it’s paid. Partial payments keep the right balance.

Money goes through your payment page. Studio OS never charges anyone.

Invoice page: Pay $2,100 online, with a Pay now button
04 · Who owes you

Late money, front and center.

Home lists every overdue invoice with the client, what’s left, and how many days late. Email reminder opens your own mail with the note written. Record a payment or mark it paid, right there.

Who owes you: two late invoices with days late, amount left, and reminder buttons

Phone, iPad, or computer

One desk. Every screen you work from.

Open the link and add it to your home screen. Nothing to download. Pick Night or Day.

Studio OS on a computer, Night theme: home with outstanding, collected, in play, and who owes you Studio OS on a computer, Day theme: the same home screen in light grey
Studio OS on iPad, Night theme: leads Studio OS on iPad, Day theme: leads
Studio OS on a phone, Night theme: home Studio OS on a phone, Day theme: home
  1. iPhone or iPad: open it in Safari, tap Share, then Add to Home Screen.
  2. Android: open it in Chrome, then tap Install app.
  3. Mac or PC: open it in Chrome or Edge, then click Install in the address bar.

Want the same desk everywhere? Turn on sync in Settings and link up to 3 of your devices with a QR code or a short code. It’s optional, and end-to-end encrypted.

Built for your kind of work

18 setups. The same money desk underneath.

On day one you pick what you do. Studio OS adds the lists that work needs, like gigs and releases, job sites and change orders, or sponsors and a content plan. Lists with an amount get Make invoice.

  • General studio
  • Musician Gigs · Releases
  • Show or podcast Episodes · Guests
  • Content creator Content plan · Sponsors · Collabs
  • Artist Commissions
  • Photographer Shoots
  • Filmmaker Productions
  • Designer Rounds
  • Writer Assignments
  • Contractor Job sites · Change orders
  • Tech support Tickets
  • Consultant Sessions
  • Tutor or coach Lessons
  • Maker or shop Orders
  • Events Events · Vendors
  • Real estate Listings
  • Appointments
  • Developer Milestones

Also in the box

The rest of the job, handled.

Clients & projects

Contacts, private notes, project status, an hourly rate, and a timer. Hours bill onto an invoice once.

Client portal & delivery

A page your client opens with your note, small files, and links for big ones.

PDF & Copy for chat

Print any proposal or invoice to PDF, or copy a clean message for text or DMs.

Retainers in one click

“This month’s invoice” makes a fresh copy. Lists like sponsor deals bill with Make invoice.

The year

Money collected, expenses, what’s left, and what’s still owed. It doesn’t file your taxes.

Backups you control

Download a backup file whenever you like. Lock it with a passphrase if it leaves your hands.

Is it for you?

Made for one person doing client work.

A good fit if you…

  • Work solo: freelance, side business, or a one-person studio.
  • Send proposals and invoices and want to stop chasing payments.
  • Already take payments with Stripe, PayPal, Square, or similar.
  • Are tired of paying every month for features you don’t use.
  • Want your client records on your own device.

Not the right fit if you need…

  • A team with shared logins and permissions.
  • A shared desk for other people (sync is for your own devices).
  • Card processing built in, or certified e-signatures.
  • Scheduling, automations, or email sent for you.
  • Accounting or tax filing.

Monthly fees vs. pay once

What your first year costs.

The big client tools do more than Studio OS, and they charge every month for it. If you’re one person who mainly needs proposals, invoices, and to know who owes you, here is the math.

First-year cost of Studio OS compared with monthly client tools
ToolEntry plan with invoices & proposalsFirst yearYear two
Studio OSOne-time license$49$0
BonsaiEssentials, $19/mo billed yearly$228$228
HoneyBookStarter, from $29/mo$348$348
DubsadoStarter Plan, $335/yr$335$335

Prices from each company’s own pricing page, checked October 22, 2026, in USD before tax. They can change. Those tools include things Studio OS doesn’t: built-in card payments, scheduling, automations, and teams. Studio OS launch price; regular price $79.

Straight answers

Your records stay on your devices.

No Studio OS server can read your client list. Here is exactly what that means.

  • Private by design. Records live in your browser’s storage on each device. They are not sent to us in readable form, and there are no marketing analytics.
  • Sync is optional. Link up to 3 of your devices with a QR code or short code. Records are locked on your device before they travel, and the sync server stores only scrambled data it can’t read. Each new device confirms with a code emailed to the address you bought with.
  • Back up. If you clear your browser’s data, the desk on that device is gone (unless it’s synced to another device). Keep a backup file.
  • Acceptance is an email, not a certified e-signature.
  • Your money, your processor. Clients pay through your own payment link. Studio OS never touches it.
  • Mail stays yours. Reminders open your own mail app. Studio OS never stores a mail password. The only emails it sends are device codes and new-device notices, to your purchase address.

One product. One price.

Pay once. Keep it.

Launch price

Studio OS

$79$49one time

Launch price, then $79. No subscription, no account.

  • All 18 setups and their lists
  • Leads, proposals with Accept, invoices with Pay now
  • Who owes you, reminders, monthly invoices
  • Client portal pages, delivery, PDF, Copy for chat
  • Backups, Day and Night themes
  • License key by email, for up to 3 of your devices
Coming soon

Not on sale yet. Try the sample desk in the meantime.

FAQ

Questions people ask.

Where are my records kept?

In the browser storage of each device you use. If you turn on sync, an end-to-end encrypted copy passes through and is stored on our sync server (on Cloudflare), which can’t read it. Download a backup now and then, and lock it with a passphrase if you store it somewhere shared.

Can I use it on my phone and my computer?

Yes. One license key works on up to 3 of your devices. Turn on sync in Settings and link them with a QR code or short code; changes then flow both ways and catch up after time offline. Each new device confirms with a code emailed to you. Sync is optional, and every device still keeps its own copy.

Do I need an account?

No. There is no Studio OS account or login. You buy once through Lemon Squeezy and get a license key by email. A new device asks once for a code sent to that email.

How do clients pay me?

Through your own payment page. Paste a link from Stripe, PayPal, Square, or similar in Settings, and every unpaid invoice shows a Pay now button. Studio OS never touches the money.

Is the Accept button a legal signature?

No. Your client types their name and ticks a box, then their mail app sends you an acceptance email. That’s a clear written yes, not a certified e-signature.

Does it send emails for me?

No. Reminders and acceptances open a mail app with the message written, and you send it. Studio OS never stores a mail password. The only email it sends itself is a device code or a new-device notice, to your purchase address.

Will it work offline?

You need a connection to open it. Your records are already on the device, so nothing is lost if the connection drops.

Can I try it first?

Yes. The sample desk is a made-up studio you can click through. It’s kept apart from a real desk, and Start over resets it.

What if it isn’t for me?

Email support@mndwrx.com within 14 days of purchase with your Lemon order ID. See the refund policy for the details.

Stop chasing. Start getting paid.

Click through a real desk with made-up clients. No signup.