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
Urge Jar
Tired of being controlled by habit loops?
$1.99 · In-app purchases
PRICE
$1.99
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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 Urge Jar: 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
Simplify the input process with guided prompts or templates.
Assumption to check: Users often feel overwhelmed by tracking urges and habits.
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate gamification elements to boost user engagement.
Assumption to check: Lack of motivation to consistently use the app.
Validate with people who use this workflow before building.
Hypothesis 3
Add charts or graphs to visualize urge management.
Assumption to check: Limited data visualization for understanding progress.
Validate with people who use this workflow before building.
Hypothesis 4
Implement a more straightforward restore purchases process.
Assumption to check: Difficulty in restoring purchases across devices.
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
Tired of being controlled by habit loops? Whether it’s impulsive scrolling, mindless eating, or other triggers, Urge Jar is your compassionate companion for breaking free and reclaiming control.Urge Jar transforms abstract cravings into tangible data. Based on proven mindfulness and behavioral techniques, this app helps you pause, understand the "why" behind your actions, and build a stronger, more disciplined version of yourself.How It Works:When an urge hits, you have 60 seconds. Open Urge Jar. Instead of acting, log your craving and its trigger (stress, boredom, fatigue, etc.). By pausing to log, you take back power.Key Features:Instant Urge Logging: Fast logging designed for the moment of temptation.Trigger Identification: Pinpoint what causes your urges (stress, boredom, emotion). The "Jar" Visualization: Watch your progress grow as you successfully resist or delay.Habit Loop Analysis: Discover your, "if-this-then-that" patterns to break habits at their core.Mindful Insights: Review history to understand emotional triggers.Privacy-First: Your, data stays on your device. No cloud. No tracking.Perfect for:Managing emotional eatingBreaking dopamine-seeking habits (scrolling, browsing)Anyone working on impulse controlIndividuals interested in self-awareness and mindfulnessTake control of your impulses. Start your journey with Urge Jar today.
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
react-hook-form
react-native-async-storage
expo-notifications
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.
