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
Pinnable+, Pins & Photo Editor
Pinnable Plus is a public domain photos repository and image editing tool, all in one place! Add the perfect attention-grabbing texts, stickers and effects to over 1,700,000 stunning cost free, royalty free, attribu...
$5.99 · In-app purchases
PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
9 ratings · Top 15%
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.
Build your own version
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 included15 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 Pinnable+, Pins & Photo Editor: map the core Social Networking 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
Provide advanced editing tools like filters, cropping, and effects.
Assumption to check: Limited editing features compared to full photo editing apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement push notifications for user interactions.
Assumption to check: User engagement drops due to lack of notifications
Validate with people who use this workflow before building.
Hypothesis 3
Add a trending or explore section to highlight popular pins.
Assumption to check: Difficult to discover new pins
Validate with people who use this workflow before building.
Hypothesis 4
Enhance community features such as commenting and pin sharing.
Assumption to check: Limited social features
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
Pinnable Plus is a public domain photos repository and image editing tool, all in one place! Add the perfect attention-grabbing texts, stickers and effects to over 1,700,000 stunning cost free, royalty free, attribution free images! Edit them for commercial use, or just for fun and share on all social platforms, they are free of any copyrights! Pinnable Plus has an amazing collection of images and vectors to choose from, and it's easy editing tool for non-designers. It allows you to quickly and easily create a great, high quality images for your Pinterest boards, Facebook and Twitter feeds or Instagram. Featuring: • Collection of Over 1,700,000 Attribution Free Images, Vectors and Illustrations - Did we mention FREE? Free to use, free of copyrights, free period (.) • Artwork - Choose from a delightful collection of stickers, emoticons, flowers, butterflies, ghosts (yes, ghosts!) to add onto your photos. • Bokeh Collection - Hearts or circles, that is the question! One or another (or maybe squares), it's guaranteed to add a stunning look to your photos. • Photo Filters - Apply one of our gorgeous photo filters, get that special look! • Photo Effects - Adjust the brightness, saturation, contrast, blur, and exposure of your pictures. • Drawing Tool - Perfect for those who want to draw some rough notes, instructions, captions & more on their pics. • Typography - Choose from a wonderful collection of fonts,and easily resize, rotate, and/or adjust the opacity. • Frames - Perfect shapes to frame your perfect photos, as a cherry on the top. We hope you like our app, and have lots of fun with it. Please, send us your suggestions if there are some other things you would like to see in the app: we can't promise 100% that we will add them all, but we'll try our best to incorporate as many as possible in future releases.
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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
Supabase
@react-navigation/native
expo-image-picker
react-native-reanimated
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.
