App Overview

Invoice Mini: Create Invoices and Purchase Orders icon

Invoice Mini: Create Invoices and Purchase Orders

Myrtha Murat-Vernous · Business

Invoice Mini is an invoice app that allows anyone to quickly and accurately create, email, and/or print professional looking estimates, invoices, and receipts with embedded photos at the office and in the field

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.8
4 ratings · Top 50%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included15 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
Preview a sample Build Kit No email needed

Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Invoice Mini: Create Invoices and Purchase Orders: map the core Business workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Allow users to customize invoice templates and add logos.

Assumption to check: Limited customization options for invoices

Validate with people who use this workflow before building.

Hypothesis 2

Implement automated payment tracking and reminders.

Assumption to check: Difficulty in tracking payment statuses

Validate with people who use this workflow before building.

Hypothesis 3

Provide detailed analytics and reports on invoice history.

Assumption to check: Lack of advanced reporting features

Validate with people who use this workflow before building.

Hypothesis 4

Ensure a responsive design that works well on all screen sizes.

Assumption to check: Inconsistent user experience on different devices

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Invoice Mini is an invoice app that allows anyone to quickly and accurately create, email, and/or print professional looking estimates, invoices, and receipts with embedded photos at the office and in the field. We've designed it to be one of the easiest invoice apps to use. You'll be able to invoicing in minutes, easily be able to create a professional looking invoice or estimate for each project. Available on iPhone, iPad, and iPod Touch, Invoice Mini helps businesses of every size, and every industry, increase productivity. Features: * Add your company information and logo to the invoice template for professional looking documents * Add customer information on the fly or select from your contacts list * Add items to your estimates and invoices on the fly, or select from your predefined item list * Enter your tax rate and sales tax will be calculated for taxable items * Notes allow you to define special conditions or information * A simple PDF invoice generator, preview and email PDF invoices in seconds * Add unlimited photos can be added to each invoice or estimate before and after * Generates receipts, makes a great receipt template * Keep track of payments you receive as well as open balances against invoices * Invoice customers to get paid quickly * Send customers estimates to win jobs

Written user reviews are not shown here. Check current App Store reviews >

Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Supabase
Zustand
React Navigation
TypeScript
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.