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
BariGood Timer + Weight & Goal
# BariGood Timer: Your Bariatric Journey Partner
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
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.
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 included17 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 BariGood Timer + Weight & Goal: 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
Add customizable goal metrics and reminders.
Assumption to check: Limited goal tracking features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Integrate social sharing for user achievements.
Assumption to check: Lack of social sharing options
Validate with people who use this workflow before building.
Hypothesis 3
Include detailed progress reports and history.
Assumption to check: No analytics or tracking progress over time
Validate with people who use this workflow before building.
Hypothesis 4
Implement cloud storage for data sync across devices.
Assumption to check: Single device usage, no cloud sync
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
# BariGood Timer: Your Bariatric Journey Partner Empower Your Bariatric Journey BariGood Timer is a comprehensive app designed specifically for bariatric and gastric bypass users. It’s your go-to tool for tracking hydration, nutrition, and goals effortlessly! Key Features: - Custom Timers: Specialize in controlling your day with visual and reminder-enabled countdowns. * Gap Timer: Perfect for managing time between food, drink, and vitamins! * Sip Timer: Stay hydrated with regular sip reminders. - Progress Tracking: * Goals: Set, track, and celebrate your goals seamlessly! * Weight: Monitor your weight progress over time. - Personalized Recommendations: Discover tailored products and communities that support your journey with nutritional supplements, water enhancers, and more. - Celebrate Achievements: Enjoy fun animations to motivate and celebrate your milestones. App Highlights: - Visual countdown timers with notifications - Gap and sip timers for mindful consumption and hydration - Goal setting and progress tracking - Weight logs and reports - Customized product recommendations - Discover supportive communities - Enjoy celebratory animations Tailored for You: BariGood Timer is specifically tailored for tracking your bariatric and gastric bypass journey. Download now to start living a healthier, more focused life. Track, set goals, and celebrate every step with BariGood Timer! *Note: The content provided by this mobile app is for informational purposes only. While we hope that you find it helpful, this app is not a substitute for professional medical advice. Always consult your doctor or healthcare provider regarding any medical concerns or questions you may have. This app does not provide medical recommendations.
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
Zustand
react-native-gesture-handler
axios
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.
