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.
App Overview
Drawing Pad
Get the app that was mentioned on TV ABC 7 CHICAGO as a top school app! Watch http://abc7chicago.com/education/back-to-school-tech-shopping-tips/952242/ short link: abc7.ws/1h5RDj9
$5.99 · In-app purchases
PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
122 ratings · Top 30%
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 included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Drawing Pad: map the core Graphics & Design 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
Provide customizable brush size and shape options.
Assumption to check: Limited brush size options
Validate with people who use this workflow before building.
Hypothesis 2
Implement layers for more complex drawings.
Assumption to check: No layering capabilities
Validate with people who use this workflow before building.
Hypothesis 3
Add multiple formats for exporting drawings.
Assumption to check: Limited export options
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a gallery for users to share their drawings.
Assumption to check: No community sharing features
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
Get the app that was mentioned on TV ABC 7 CHICAGO as a top school app! Watch http://abc7chicago.com/education/back-to-school-tech-shopping-tips/952242/ short link: abc7.ws/1h5RDj9 Previously iPad App of the Week in 12 countries! (http://drawingpadapp.com/apple-features-drawing-pad-as-ipad-app-of-the-week) Drawing Pad is a mobile art studio for all ages! Create your own art using photo-realistic crayons, markers, paint brushes, colored pencils, stickers, roller pens and more! ■ ACCOLADES Winner of a Parents’ Choice Gold Award (bit.ly/parents-choice) Featured on nytimes.com (bit.ly/nytimes-drawingpad) Featured on usatoday.com (usat.ly/2x5xrKx) Featured on the iLounge 2011 Buyer's Guide 100 Essential Apps of 2010! Featured by iLounge as First runner up to kids' iPad App of the Year! Featured on Gizmodo's 2010 Gift Guide (bit.ly/gizmodo-drawingpad) Featured in November 2010 MacWorld Magazine in the UK 4 out of 5 stars Awarded Editor's Choice Award from Children's Technology Review ■ IN BOOKS Featured in the book “iPad Apps for Kids for Dummies” - by Jinny Gudmundsen Featured in the O’Reilly book “Best iPad Apps” - by Peter Meyers ■ IN MUSEUMS As seen in the Star Studio Exhibit at the Indianapolis Museum of Art! (bit.ly/ima-museum) ■ QUOTES "Drawing Pad is a fantastic drawing app!" 9to5mac.com “Wonderful chalk tools! You can almost taste the dust!” Mickey Paraskevas, Illustrator and Creator of the Maggie and the Ferocious Beast TV show. "Drawing Pad is a fun and easy to use iPad art app for kids and adults alike. It has very visual menus giving you instant access to a broad range of useful art tools. There are amazing features for kids including downloadable colouring books and additional advanced features for more ambitious artists." Kyle Lambert - Artist - www.kylelambert.com ■ HOW TO USE DRAWING PAD Watch the video inside the App! (or drawingpadapp.com/tutorial) Tap a tool, choose a color, and start drawing. It’s really that simple. Your artwork is automatically saved in the Drawing Pad album. For brush options like size and spacing, tap the brush thumbnail at the bottom of the drawer. Import photo backgrounds by first tapping the stationary icon in the drawer, then the filmstrip. Import photo stickers by first tapping the sticker icon, then the stack of photos. Use one finger to move your photo and two fingers to rotate and resize. Blender tool allows you to soften and blend colors! ■ SHARING OPTIONS Export to the Device Camera Roll, print via AirPrint, share via Email, and other favorite apps like Instagram & Facebook. Even assign your artwork to a contact in your address book! ■ ALL THESE TOOLS ARE INCLUDED! Crayons Markers Paint Brushes Colored Pencils Sketch Pencils Roller Stamp Pens Erasures Stickers Construction Paper Blenders Text Sticker Tool Photo Background Import Photo Stickers Gradient Brushes & Crayons Advanced Brush Control Color wheel and Gradient Panel Pinch Zoom Autosave Two Coloring Books ■ EXTRA FUN Download extra coloring books via in app purchase! Restore prior "Coloring Book in app purchases" by tapping the "Redeem prior purchase" button on the Coloring Book store details page. See drawingpadapp.com/restore ■ DEMONSTRATION Video at http://drawingpadapp.com ■ CONTACT Email us at "support" -at- "drawingpadapp.com" BUY NOW! Don't have an iPad yet? Don't let it stop you! Great price today! Buy now and tell your friends. CREDITS: "Birds," "Panda Bear," and "Turtle" by Igor Cheban instagram.com/icheban "Dinosaur," and "Kitten" by Kyle Lambert www.kylelambert.com
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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.
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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.
