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
CCRR care guide
CCRR Care Guide is the ultimate rabbit care companion app, created by Carrot Cottage Rabbit Rescue — a registered charity (No
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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.
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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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 CCRR care guide: map the core Lifestyle 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
Implement a content management system for regular updates.
Assumption to check: Limited content updates can lead to outdated information.
Validate with people who use this workflow before building.
Hypothesis 2
Make pricing and features clear during onboarding.
Assumption to check: In-app purchases can be confusing for users.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify navigation by using a more focused tab structure.
Assumption to check: Navigation can be cluttered with too many options.
Validate with people who use this workflow before building.
Hypothesis 4
Add forums or Q&A sections to increase user interaction.
Assumption to check: Lack of user engagement features (e.g., community support).
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
CCRR Care Guide is the ultimate rabbit care companion app, created by Carrot Cottage Rabbit Rescue — a registered charity (No. 1210378) based in Ystradgynlais, Wales, dedicated to rescuing, rehabilitating, and rehoming rabbits in need. Whether you're a first-time rabbit owner or an experienced keeper, this app gives you everything you need to keep your rabbit healthy, happy, and thriving. CARE GUIDES Seven in-depth care guides covering every aspect of rabbit ownership: • Feeding & Diet — hay foundations, safe greens, toxic foods and treats • Housing & Space — minimum space requirements, enrichment and rabbit-proofing • Health & Vet Care — vaccinations, GI stasis, dental disease and signs of illness • Grooming & Hygiene — brushing, nail trimming, scent glands and litter care • Behaviour & Language — binkies, thumping, flopping and reading your rabbit • Companionship — bonding, pairing combinations and rabbit social needs • Herbs & Forage — 8 full medicinal herb profiles with benefits and cautions TOOLS • Safe Food Checker — instantly check if any food is safe, caution or unsafe for your rabbit, with 65+ foods in the database • Daily Care Tip — a new expert tip every day, with 30 tips across nutrition, health, behaviour, housing and enrichment • Vaccination Record — log your rabbit's vaccinations with due date reminders and overdue alerts • Bunny Birthdays — track your rabbits' birthdays and get age calculations and countdown to next birthday • Medical Chart — log medications with dose, frequency, start and end dates, treatment progress tracking, and dose logging EMERGENCY VET FINDER Tap once to find veterinary clinics within 25km of your location using live GPS. Results shown on a map with distances, addresses, tap-to-call phone numbers, and direct Google Maps directions — because in a rabbit emergency, every second counts. ABOUT CARROT COTTAGE Learn about Carrot Cottage Rabbit Rescue, their mission, impact, and how to support them. Includes links to their social media, forage and toy supplier Wild About Bunnies, rescue partners, and direct PayPal donation. DESIGNED FOR RABBIT LOVERS • Works fully offline — all care content available without internet • No account required — just open and use • Vaccination and birthday records saved privately on your device • Clean, beautiful interface designed to feel like a native app • Suitable for all rabbit owners from beginners to experienced keepers All proceeds from app visibility support Carrot Cottage Rabbit Rescue and the rabbits in their care.
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
Supabase
Zustand
React Navigation
BUILD KIT DIFFICULTY
Starter
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.
