Native Mac app for independent studios

The shortest distance from proposal to project.

Your Mac.Your website.Your clients.

Build polished proposals, price with confidence, and get client approval, all from a native Mac app that keeps your work under your control.

Get early access See how it works
Propellr's Pricing tab for a Website redesign proposal: a $27,300 estimate quoted at $24,500 with a 47.9% effective margin, alongside a live preview of what the client will see.Propellr's Pricing tab for a Website redesign proposal: a $27,300 estimate quoted at $24,500 with a 47.9% effective margin, alongside a live preview of what the client will see.
The client's phone after accepting: Thank you, Dana Whitfield. You're all set. Project investment $26,300 with SEO setup and monthly support.

How it works

Everything you need to turn the work you've discussed into a proposal your client can confidently approve.

Scope

Start with reusable templates and shape the project around what your client needs.

Propellr Library: a Website redesign template with ten sections, phase-grouped pricing, a 40/30/30 payment schedule and an internal estimate starting point.Propellr Library: a Website redesign template with ten sections, phase-grouped pricing, a 40/30/30 payment schedule and an internal estimate starting point.

Write

  • 01Reusable proposal templates
  • 02Ten purpose-built section types
  • 03A personal library of reusable content
  • 04Rich text editing
  • 05Real-time desktop and mobile preview
  • 06Autosave, undo and redo, and proposal duplication
Propellr's Content tab: ten reorderable sections on the left, the Cover section editor in the middle, and a live desktop preview of the client page on the right.Propellr's Content tab: ten reorderable sections on the left, the Cover section editor in the middle, and a live desktop preview of the client page on the right.

Estimate · Price

Know exactly what the work will cost you. Then quote what the project is worth.

Your estimate and your price are two different things in Propellr. One stays private on your Mac. The other is all your client ever sees.

Your side

Stays on this Mac
Internal estimate: effort 206 hours, estimate price $27,300, internal cost $12,772, estimate margin 53.2%, quoted client price $24,500, with line items by phase showing hours, price, cost and margin.Internal estimate: effort 206 hours, estimate price $27,300, internal cost $12,772, estimate margin 53.2%, quoted client price $24,500, with line items by phase showing hours, price, cost and margin.
  • Effort 206 h
  • Internal cost $12,772
  • Quoted $24,500
  • Effective margin 47.9%
  • Floor warnings below 25%

Their side

Phase grouped
The client's investment section: six phases from Discovery at $2,950 to QA and launch at $1,900, a project investment of $24,500, and a running total with SEO setup and monthly support.
  • No hours
  • No rates
  • No costs or margins

Independence built in

Your proposals should reflect your business, not the software you use to create them.

Build and manage proposals on your Mac, publish to your own compatible hosting, and give clients a polished experience under your own brand.

Propellr's Preview and Share tab: desktop and phone preview, expiry control, Download PDF, Share, and the proposal's activity and versions.Propellr's Preview and Share tab: desktop and phone preview, expiry control, Download PDF, Share, and the proposal's activity and versions.
The branded client page on the studio's own domain: Website redesign, proposal for Harbor & Pine, version 2.
SSH / SFTP

Publish to your own host

Upload straight to compatible web hosting over SSH or SFTP. Hosting requirements apply.

Setup

Guided connection testing

Set up a destination once and test the connection before anything goes live.

Brand

Your colors and type

Brand tokens for color, type and corner radius, with built-in contrast checks.

Links

Private, unlisted URLs

Each proposal gets a hard-to-guess link that search engines are asked not to index.

Versions

Versions and expiry

Publish a new version when scope changes, and extend or end an offer when you choose.

Checks

Pre-publish validation

Propellr checks every export for internal figures and missing details before upload.

No mandatory proposal cloud. No third-party client portal.No giving up control of your data.

Accept

  1. 01
    Read the planGoals, scope, process and timeline, written for them.
  2. 02
    Choose the optionsOptional services they can add, with the total updating as they go.
  3. 03
    Review the termsPayment schedule and terms in brief, with the full set one tap away.
  4. 04
    AcceptName, email, one tap. The accepted version and a signed copy are recorded.
The complete client proposal page on a phone: cover, about the studio, goals, scope and deliverables, process, timeline, investment, optional services, team, terms and the accept form.

After yes

Once a client accepts, Propellr gives you a reliable record of what was agreed to, with the paperwork and activity history in one place.

Archive

A signed PDF of exactly what was agreed

Scope, chosen options, totals and timestamps, recorded with the version your client accepted.

Activity

Know where every proposal stands

  • Created the proposalOct 31
  • Published version 2Nov 1
  • Opened by clientNov 3
  • Accepted version 2 · $26,300Nov 4 · 10:12
  • Signed copy emailedNov 4 · 10:12

Locked on acceptance

An accepted version can't be edited. Changes start a new version.

Notifications

Hear it first, on your Mac

Email

Confirmation from your own address

Propellr sends the confirmation and signed copy through the email account you set up.

Versions

Acceptance tied to a specific version

v2Phase grouped · options addedAccepted
v1Initial scopeSuperseded

Assist · Bring your own key

  • Draft sections from a brief
  • Suggest line items from your own service catalog
  • Rewrite selected text
  • Review the client page and pricing for gaps
  • Accept or reject every suggestion. ⌘Z undoes an accept.
AI can never
  • Set your prices
  • Publish a proposal
  • Send anything
Propellr's Suggested sections dialog: two AI-suggested sections, Why now and What success looks like, each with Accept and Reject buttons.Propellr's Suggested sections dialog: two AI-suggested sections, Why now and What success looks like, each with Accept and Reject buttons.
Never sent Internal costs and ratesMarginsInternal notesClient notesContact detailsClient name, unless you allow it

Anthropic, OpenAI or OpenRouter with your own key, stored in your Keychain. Also works with Claude through a local MCP connector.

Made for the Mac

Fast, familiar, and built for the way independent studios actually work.

Propellr's dashboard in dark mode: drafts, proposals awaiting response, accepted and expired totals, recent activity and proposals expiring soon.Propellr's dashboard in dark mode: drafts, proposals awaiting response, accepted and expired totals, recent activity and proposals expiring soon. Propellr's proposals list in light mode, with draft, published, accepted, declined and expired statuses.Propellr's proposals list in light mode, with draft, published, accepted, declined and expired statuses.
⌘KSearch proposals ⌘ZUndo ⇧⌘ZRedo
01Native SwiftUI
02Light and dark mode
03Multiple proposal windows
04Keyboard shortcuts
05Local-first data storage
06Offline editing
07Backup and restore

Flexible pricing

Whether you prefer a predictable subscription or a one-time purchase, Propellr gives you the freedom to choose how you pay for the tools you use.

Subscribe

$12/ month

or $120 / year

The complete Propellr experience with ongoing access and updates.

  • All proposal-building features

  • Private estimating and pricing

  • Publishing and client acceptance

  • AI assistance and MCP integration

  • All updates while subscribed

  • Unlimited proposals and clients

Get early access

Own it for life

$299one-time

No subscription required

Prefer to skip the recurring payments? Purchase lifetime access to Propellr with no subscription required.

  • Every core Propellr feature

  • Unlimited proposals and clients

  • Publishing and client acceptance

  • AI assistance and MCP integration

  • Lifetime access under the purchase terms

Get early access

AI provider usage and compatible web hosting are separate. Final pricing will be announced before launch.

What happens if you cancel?

Your work stays yours.

Subscriptions should never mean losing access to the work you've already created.

If your subscription ends, Propellr switches to read-only mode. You can still open and review your existing proposals, but creating, editing, publishing, and AI features require an active subscription or lifetime purchase.

Read-only mode
  • Open your existing proposals
  • Review everything you've created
Needs a subscription or lifetime purchase
  • Creating and editing
  • Publishing and AI features
Your clients never see a Propellr paywall.

Pricing questions, answered.

Still wondering about something? Join the early-access list and ask.

Is Propellr a subscription?

It's your choice. Subscribe monthly or yearly for ongoing access and updates, or buy lifetime access once with no subscription required.

What happens if I cancel my subscription?

Propellr switches to read-only mode. You can still open and review your existing proposals. Creating, editing, publishing, and AI features need an active subscription or a lifetime purchase.

What does lifetime access include?

Every core Propellr feature: unlimited proposals and clients, publishing and client acceptance, and AI assistance with MCP integration, under the purchase terms.

Are there limits on clients or proposals?

No. Both options include unlimited proposals and clients.

Is AI included?

Yes. AI assistance is part of both options. You connect your own supported provider's API key and pay that provider for usage separately.

Where do my proposals live?

You build them on your Mac and publish them to your own compatible web hosting. There's no mandatory proposal cloud or third-party client portal.

Do my clients need an account?

No. Clients review and accept from a page under your brand, with no account required, and they never see a Propellr paywall.

How much will Propellr cost?

Final pricing will be announced before launch. Join the early-access list to hear first.

Better proposals.On your terms.

From the first estimate to the final approval, Propellr gives independent professionals a better way to win work, with a native Mac experience and proposals published under their own brand.

Coming to macOS. Subscription and lifetime purchase options planned.