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.
Make something bigger with LifeSize.
$3.99
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.
Your first Build Kit is free with a verified email.
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.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Make something bigger with LifeSize. Turn photos, pets, drawings, and artwork into large cutouts and posters using ordinary printer paper. Choose a finished height or width, see the page count immediately, and follow the numbered sections to put it together. A SIMPLE PHOTO → SIZE → PRINT WORKFLOW • Import a picture from Photos or Files. • Optionally remove its background on your iPhone. • Set the finished size in feet and inches, inches, or centimeters. • See a live preview as the size, rotation, and paper orientation change. • Print with AirPrint or share a tiled PDF for printing elsewhere. MAKE THE DETAILS COUNT Optional on-device photo enhancement enlarges compatible images up to 4×. Compare the original and enhanced versions, zoom into the result, and print one artwork test page before committing to the full project. Enhancement estimates detail; it cannot guarantee perfect results from a blurry original at every size. DESIGNED FOR ASSEMBLY Choose US Letter or A4 paper, portrait or landscape. Optional overlap strips and numbered assembly guides help you line up the pages. A separate ruler-check page helps confirm that your printer is using the correct physical scale. Print at 100% / actual size, single-sided, on matching paper. FIND AN IDEA Search public-domain-marked artwork through Openverse and review each picture's source and usage details. A browser search option helps you find other pictures to save and import. Only use artwork you have permission to print or share. Online search requires internet access and is subject to provider limits. KEEP YOUR PROJECTS Save projects on your iPhone and return to their original and enhanced pictures and print settings. No LifeSize account is required. Imported private photos stay on your device unless you choose to print or share them. ONE PURCHASE All current app tools are included in the upfront purchase. No subscription or per-print credits. Paper, ink, printers, and outside printing services are separate. LifeSize supports iPhone with iOS 17 or later. Photo enhancement requires iOS 18 or later and is limited by image size and device memory. Finished height can range from 6 inches to 10 feet; PDF export supports up to 400 sheets. AirPrint requires a compatible printer and connection. Adult help is recommended for cutting and assembly.
Written user reviews are not shown here. Check current App Store reviews >
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.
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.
Not assessed in a Build Kit yet.
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.