AI Quote and Estimate App Builder for Marketing Agencies

A quote that goes out the same day wins more work. Tell Mythex how your marketing agency works out a price and it builds the estimate form, the PDF-style quote page and a list of every quote you have sent.

Who it's for

Marketing agencies that price every job individually and lose time retyping the same line items into a document for each enquiry.

What you can build

  • A price list of campaign management, content production and paid media you can add to any quote
  • Line items with quantities, your rates, discounts and tax
  • A shareable quote page the customer can accept or decline
  • A list of every quote with its status: draft, sent, accepted, expired
  • Turning an accepted quote into a job or an invoice

How marketing agencies work

A marketing agency sells retainers and projects, then spends much of its time proving value. Account managers juggle briefs, approvals and deadlines across channels; media buyers watch spend daily; reporting at month end means pulling numbers from ad platforms, analytics and social tools into one deck. New business comes through referrals, pitches and the agency's own content. Tools pile up: a project board, a shared drive, Slack with clients, and spreadsheets for budgets. Software helps by putting approvals, spend and results in one client view.

What quote & estimate app for Marketing Agencies has to handle

  • Proposals with deliverables per month, channels and the retainer fee.
  • Setup or onboarding fees quoted separately.
  • Media budget recommendations shown apart from agency fees.
  • Scope limits stated, such as number of revisions or posts.

A tip for marketing agencies

Put deliverables and revision limits into the quote, not just the fee. Scope creep starts with an extra round of edits nobody quoted, and a clear list makes it easy to say 'happy to, that is outside the retainer, here is the cost'.

A prompt to start from

Build a quote and estimate app for a marketing agency. Keep a price list of services such as campaign management, content production, paid media and strategy retainers with a default rate. Let me create a quote for a customer with client name, retainer and channel, add line items with quantity, rate and discount, and see a total with tax. Give each quote a number and a shareable page where the customer can accept or decline it, and show all quotes in a list with status and value. Use a database and add a login for staff.

Questions

Can a quote show several retainer levels?

Yes. Ask for tiered options side by side, each with its deliverables and monthly fee, so the client can choose one.

Can a customer accept a quote online?

Yes. Each quote gets its own page with an accept and decline button, and the status updates in your list. Ask Mythex to email you when a quote is accepted.

Can an accepted quote become an invoice?

Ask for it in chat: Mythex adds a button that copies an accepted quote's line items into an invoice, so clients are billed exactly what they agreed to.

Do I need to know how to code?

No. You describe what you want in plain language and Mythex writes the code, shows a live preview, and lets you change things by chatting. The code editor and terminal are there if you ever want them.

Do I have to explain my business every time?

No. Mythex remembers who you are and how you work across every project, and follows the standing notes you set for a project, so you are not re-briefing it in each new chat. You can read, edit or switch all of it off.

How much does it cost?

There is a Free plan with daily credits, enough to build and publish a first version. Pro is $25/month and adds full code editing, GitHub export, custom domains, and credit top-ups.

Templates to start from

  • Agency Portfolio Template — Pricing calculator with booking
  • Plumbing Business Site Template — Quote calculator with lead dashboard
  • Invoice Generator Template — Canvas invoicing with PDF export
  • Cloud Storage SaaS Template — Marketing site, billing UI, and 2FA
  • Agency Client Portal Template — PIN-protected views on a Kanban board
  • Quote Generator Template — Line-item pricing, secure client links
  • Trade Publication Template — Research reports, jobs, memberships
  • Grid Agency Portfolio Template — Auto-rotating carousel and case studies

Guide

How to build an invoicing app

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