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
PetPillBox: Pet Med Tracker
PetPillBox is the pet medication tracker built for real families — not just one person.
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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'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 PetPillBox: Pet Med Tracker: map the core Health & Fitness 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 push notifications for reminders.
Assumption to check: Users often forget to give medications on time
Validate with people who use this workflow before building.
Hypothesis 2
Simplify pet management with a more user-friendly interface.
Assumption to check: Difficult to manage multiple pets and their medications
Validate with people who use this workflow before building.
Hypothesis 3
Add features to log pet health and medication response.
Assumption to check: Users may not track medication effectiveness
Validate with people who use this workflow before building.
Hypothesis 4
Offer a free tier with basic features to attract more users.
Assumption to check: Subscription costs may deter users
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
PetPillBox is the pet medication tracker built for real families — not just one person. Whether you have one dog on a daily pill or three pets on different schedules, PetPillBox keeps everything organized, logged, and vet-ready. WHY PETPILLBOX IS DIFFERENT Every other pet medication app charges a monthly subscription. PetPillBox is a one-time purchase. No renewal. No hidden fees. Yours forever. FEATURES HOUSEHOLD LOGGING When multiple people care for your pet, PetPillBox tracks who gave each dose and when. No more "did you already give him his pill?" No more accidental double doses. VET-READY PDF REPORT Export a complete medication history as a formatted PDF in one tap. Every dose, every caregiver, every note — ready to hand to your vet at any appointment. SOS EMERGENCY SCREEN One tap shows every medication for all your pets. Critical when you're at an emergency vet and need to communicate your pet's full medication history fast. PET & PILL PHOTOS Add a photo of each pet so caregivers always know who's who. Photograph each medication so anyone in the household can identify the right pill at a glance. DAILY REMINDERS Scheduled notifications fire at each medication's set time. Morning, midday, evening, or custom. Works fully offline. REFILL TRACKING Stock counts down with every dose logged. Get an alert when supplies are running low — before you run out mid-course. DISCONTINUE WITH NOTES When a vet changes a medication, record exactly why it was stopped. Saved permanently for future reference and included in vet reports. UNLIMITED PETS & MEDICATIONS Dogs, cats, rabbits, birds, and more. Add as many pets and medications as you need. No limits, no tiers, no upsells. PRIVACY FIRST No account required. No cloud. No data shared with third parties. Everything stays on your device. PERFECT FOR - Senior pets on daily medications - Multi-pet households with different schedules - Families with multiple caregivers - Post-surgery medication courses - Chronic condition management ONE PURCHASE. FOREVER. Competitors charge monthly. PetPillBox doesn't. Pay once and use it for the life of your pet — and every pet after. Questions or feedback? [email protected] DISCLAIMER PetPillBox is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. This app is a personal organization tool for pet caregivers. Always consult a licensed veterinarian for medical advice regarding your pet's health and medications.
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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
TypeScript
React Navigation
Zustand
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.
