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.
The professional spacing calculator trusted by carpenters, designers, and builders
$1.99 · 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 Even Spacer - Measurement Tool: map the core Productivity 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: Users struggle with inaccurate measurements due to lack of calibration options.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited historical data management.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No unit conversion option.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Basic UI lacks engagement.
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.
The professional spacing calculator trusted by carpenters, designers, and builders. Evenly Spaced eliminates guesswork and delivers exact measurements for any linear layout project in seconds. WHY PROFESSIONALS CHOOSE EVENLY SPACED: Time is money. One miscalculation on a deck railing or gallery wall costs hours of rework and wasted materials. This app pays for itself on your first project by delivering precision measurements instantly. PROVEN USE CASES: Carpentry & Construction - Deck baluster spacing (code-compliant layouts) - Fence picket and post positioning - Stair spindle placement - Trim and molding installation Interior Design & Decor - Gallery wall layouts (perfect symmetry every time) - Shelf and floating shelf arrangement - Wainscoting panel division - Picture frame spacing Commercial & Retail - Product display organization - Lighting fixture positioning - Signage placement - Store fixture layouts POWERFUL FEATURES: Smart Calculator Engine Input your total space, item width, and quantity. The app instantly calculates optimal gap size and provides exact start/end positions for every item. No manual math. No errors. Edge Placement Control Choose flush-to-edge layouts or centered arrangements with equal end gaps. Perfect for both structural requirements and aesthetic preferences. Visual Verification See your layout before you build. The real-time schematic shows exactly how your project will look, preventing costly mistakes. Universal Unit Support Works with Imperial (feet and inches) or Metric (cm/mm). Handles mixed inputs like 10' 6" seamlessly. Built for how professionals actually work. Horizontal & Vertical Layouts Switch orientations instantly for walls, floors, ceilings, or vertical installations. HOW IT WORKS: 1. Enter total space length 2. Enter single item width 3. Enter number of items 4. Get instant gap measurement and complete position list WHAT USERS SAY: "Saved me 2 hours on a deck railing job. Paid for itself immediately." - Professional Carpenter "Finally, a tool that understands real-world measurements." - Interior Designer "Essential for anyone doing precision layout work." - DIY Enthusiast STOP WASTING TIME ON MANUAL CALCULATIONS Every project deserves professional results. Download Evenly Spaced and join thousands of professionals who trust it for flawless spacing every time. Perfect for contractors, woodworkers, interior designers, retail managers, electricians, and serious DIYers.
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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.