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
GridQuilt: Collage & Split
GridQuilt is a focused image tool for splitting photos, creating collages, and making long screenshots.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for GridQuilt: Collage & Split: 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
Incorporate advanced editing options like filters and effects.
Assumption to check: Limited image editing features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the interface with guided onboarding for first-time users.
Assumption to check: User interface feels cluttered for new users
Validate with people who use this workflow before building.
Hypothesis 3
Optimize image handling and processing to enhance performance.
Assumption to check: Performance issues with large images
Validate with people who use this workflow before building.
Hypothesis 4
Add social sharing options to increase user engagement.
Assumption to check: Lack of social features for sharing collages
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
GridQuilt is a focused image tool for splitting photos, creating collages, and making long screenshots. Organize chat history, web pages, tutorials, receipts, and social media images with a fast, local workflow. Key features • Long screenshot stitching Select consecutive screenshots and automatically remove overlapping areas as they are stitched into one long image. Open any seam for precise manual adjustment when needed. • Scrolling screen capture Use the system screen broadcast to capture scrolling content and create a long screenshot. Frames are analyzed on your device and are not uploaded to a server. • Grid image splitting Split one photo into 2×2, 3×3, and other grid layouts. Adjust grid size, spacing, aspect ratio, and shapes for social media layouts and image slicing. • Photo collages Combine multiple photos into horizontal, vertical, or grid layouts. Adjust spacing, color, ratio, and crop position. • Flexible export Export as PNG, JPEG, HEIC, or PDF. Save to Photos, export to Files, or share with the system share sheet. Privacy first Photo processing, screen-recording frame analysis, and long screenshot stitching happen locally on your device. Screen capture starts only after you explicitly confirm the system screen broadcast. Core features are available to use. GridQuilt Pro adds larger grids, higher output limits, and higher-quality screen-recording long screenshots.
Written user reviews are not shown here. Check current App Store reviews >
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.
SUGGESTED BUILD STACK
React Native
Expo
react-navigation
expo-image-picker
react-native-gesture-handler
axios
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.
