AI Invoicing App Builder for Boxing Gyms
An invoicing tool shaped like your boxing gym: your services, your tax rate, your terms. Describe it once, then issue invoices from a page instead of a template file.
Who it's for
Owners of boxing gyms 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 boxing classes and personal training, tax and totals
- A PDF you can download or email to the member
- A paid / unpaid / overdue list with what is due this week
- Quotes that turn into an invoice once accepted
How boxing gyms work
A boxing gym mixes fitness members who never spar with a smaller amateur squad that trains for bouts, plus kids' sessions after school. January and the weeks after a big televised fight bring a rush of beginners, many of whom drop off by spring. Coaches juggle class registers, membership payments, pad work sessions and fight paperwork, often from a phone. Medical forms, sparring consent and each boxer's bout history tend to live in folders or a coach's head.
What invoicing app for Boxing Gyms has to handle
- Monthly memberships, pad session packs and squad fees are often billed differently.
- Kids' boxing is usually charged per term or per month to parents.
- Show fees and travel costs for amateur bouts may need recharging to boxers or sponsors.
A tip for boxing gyms
Keep pad work packs separate from memberships on invoices. Members often lose track of how many one-to-one sessions they have left, and a clear balance avoids awkward conversations at the end of a session.
A prompt to start from
Build an invoicing app for a boxing gym. Keep a list of clients with member name, membership and medical form. Create invoices with a number, date, due date, line items for boxing classes, personal training and amateur squad, 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 invoice parents for a term of kids' boxing?
Yes. Create the invoice per child and term, and track paid and unpaid. To let parents pay online, connect a payment provider of your own.
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
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- Sales ROI Calculator Template — Three-scenario models and branded PDFs
- Commission Calculator Template — Tiered comp plans and quota attainment
Guide
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