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 idea behind Purrrr! originated from a story of feeding stray cats in a Chinese community
Free · 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 Purrrr-Feed&Rescue Stray Cats: 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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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 user engagement features (e.g., no group chats)
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulties in photo uploads and editing
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Overwhelming notifications
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of content moderation
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 idea behind Purrrr! originated from a story of feeding stray cats in a Chinese community. Inspired by a group of young animal lovers, we decided to use internet technology to involve more people in caring for stray animals, promoting harmonious coexistence between humans and animals. 【Harmonious Interaction between Humans and Animals】 In the Cat House livestream, you can remotely feed stray cats, dogs, hedgehogs, squirrels, and other small animals. Those lovely createures and a group of compassionate volunteers will be expressing gratitude to every angelic feeder on camera. 【Sharing and Communication among People】 In the livestream, you'll meet many cat lovers with whom you can exchange ideas on feeding, sterilization, rescue, and share experiences. Everyone here contributes to community development, creating captivating cat snapshots, participating in cat rescues, and praising those who love cats. Breaking geographical and background barriers, people connect over topics ranging from TNR to life philosophy, bonded by their shared interest in cats. 【Scientific Philosophy – Advocating Sterilization】 Purrrr! independently developed the Cat House equipment, considering various factors during design. With features like 24-hour monitoring, wide-angle recording, automatic alarm systems, and bowl-empty reminders, the Cat House ensures optimal functioning. Supporting small animal tagging management lays the groundwork for future health monitoring and sterilization management. "The world is truly beautiful; thanks to the development team for creating the intelligent Cat House." "Well done! Not only feeding but also promoting sterilization; that's the right path." "Not only do cats get food, but dogs, hedgehogs, squirrels, and weasels have something to eat too." ... These are genuine voices from Purrrr! users, providing the Purrrr! team with unparalleled motivation in exploring the path of intelligent management of stray animals.
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.