AI Invoicing App Builder for Life Coaches

Quotes and invoices for life coaches, built to your own numbering and your own line items. Describe how you bill for coaching packages and discovery calls and Mythex builds the app, PDF included.

Who it's for

Owners of life coaches who want invoices numbered, stored and searchable without paying per month for accounting software.

What you can build

  • Clients with billing details and payment terms
  • Invoices with line items for coaching packages and discovery calls, tax and totals
  • A PDF you can download or email to the client
  • A paid / unpaid / overdue list with what is due this week
  • Quotes that turn into an invoice once accepted

How life coaches work

A life coaching practice is usually one person working with clients on confidence, career changes, relationships or big transitions. Clients buy packages of six or twelve sessions, mostly over video, after a free discovery call. New clients come through Instagram, podcasts, word of mouth and a newsletter, and January and September bring surges of people wanting change. Coaches juggle a booking tool, a payment link and notes in a notebook. Software helps keep sessions, package balances and client progress straight without admin eating the week.

What invoicing app for Life Coaches has to handle

  • Packages are usually paid upfront or in a few installments.
  • Workbooks and group courses are sold separately.
  • Refund policies for unused sessions should be clear.
  • Receipts should be sent for every payment.

A tip for life coaches

Offer a payment plan for bigger packages, split into two or three payments. It widens who can afford coaching while keeping commitment, and clients who pay in parts tend to finish the package.

A prompt to start from

Build an invoicing app for a life coaching practice. Keep a list of clients with client name, goal and package. Create invoices with a number, date, due date, line items for coaching packages, discovery calls and group courses, quantity, rate, tax and total. Generate a printable PDF, mark invoices paid or overdue, and show a dashboard of outstanding money. Add quotes that can be converted into an invoice, and store everything in a database.

Questions

Can we split a package into installments?

Yes. Create a package with several invoices due on set dates, and the app tracks which are paid.

Can it produce a PDF?

Yes. Ask for a printable invoice and Mythex builds a clean PDF layout with your details, logo and numbering, which you can download or attach to an email.

Does it handle tax?

Say which tax applies and at what rate and it is calculated per line and shown in the total. If you bill in more than one currency, say that too.

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

  • Life Coach Website Template — Booking calendar with content sections
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  • Fintech Payments Site Template — Tiered pricing, blog, animations
  • Sales Roleplay Trainer Template — Voice-style practice with scorecards
  • Plumbing Business Site Template — Quote calculator with lead dashboard
  • Personal Injury Law Firm Template — Practice areas with attorney bios
  • Invoice Generator Template — Canvas invoicing with PDF export

Guide

How to build an invoicing app

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