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.
Color Gear is a handy tool that helps to create harmonious color swatches
$2.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Color Wheel: Palette ColorGear: 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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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
Assumption to check: Limited color options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchase complexity
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No community sharing feature
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Occasional performance lag with large palettes
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Color Gear is a handy tool that helps to create harmonious color swatches. To find the right color combination, designers and artists use color theory and the basis of it: color wheels and harmonies. Or maybe you have just started to learn the basics of color science and you need a simple app to study the color harmony in practice. Use color wheel that suits your needs Our app supports two color models — Full Color Wheel (RGB model) and Basic Itten's Color Wheel. Color scheme by Itten is typically used by artists, and RGB is designed for online use. For both of them you can apply one of the 10 color combinations \ harmonies. Ability to extract colors from your image Select the desired picture from your phone and application's algorithms will extract colors. Then you can choose favorite colors and save the palette. Get matching colors to your custom color Just type in your color code and discover color harmonies with this particular color. Use color editing tool It is very important to balance the quantitative ratio of color in order to make your palette look harmonious in practice. The application has a convenient function to quickly swap colors in the images. There are 3 pictures and gradient in the palette editing carousel. You can see how the selected colors look in different ratios. Easy to manage and share Also you will be able to save, export and remove palettes. To share the desired palette just choose mode — text HEX codes or image. You can always copy a particular color code under color swatch to the clipboard. Developing Color Gear we tried to make it professional and easy to use. Two color circles, 10 color harmonies, ability to input a color code manually, and convenient palette editing tool that are always at hand in one application.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.