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.
Create stunning picture collages on your iPhone
$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 TurboCollage - Collage Creator: map the core Photo & Video 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 customization options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Performance issues with large images
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complex sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Occasional bugs during photo editing
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.
Create stunning picture collages on your iPhone. Setup a collage with a prominent center picture, arrange pictures in a regular grid, or create a random picture pile. Tie fond memories together into gorgeous picture mosaics. With an intuitive interface, TurboCollage gives you complete control over your collage design. Simply start by adding a few pictures to your collage. Choose a collage style from six exciting variants. Select from a range of aspect ratios. Select Landscape or Portrait orientation. Exchange pictures by dragging one picture on another. Add text to your collage. Shuffle the collage to get another exciting layout. TurboCollage even lets you pan and zoom individual pictures within their frames so that they are positioned just as you wish. COLLAGE STYLES • Picture Pile • Picture Grid • Mosaic • Center Frame • Zig Mosaic • Photohive FEATURES • Add unlimited number of pictures to collage • Add text to collage • Drag a picture on another picture to exchange them • Shuffle collage to get a completely new layout • Pan and zoom pictures within their frames • Drag, scale, or rotate pile pictures • Change pile order to bring more prominent pictures on top • Create Landscape or Portrait collages • Customize text color, opacity, and alignment • Resize, rotate, or move text • Use Instant Camera or Postage Stamp border styles in Pile collage • Set rounded corners on pictures in Grid, Mosaic, Center Frame, Zig Mosaic, and Photohive collages • Upload collage directly to Facebook • Share collage on Twitter • Save collage design to edit later • Works in both Landscape and Portrait orientations FEEDBACK & SUGGESTIONS We love to hear from our users. You might have a suggestion for a feature or you might like to report an issue you faced. Please email us at [email protected]
Written user reviews are not shown here. Check current App Store reviews >
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.