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
Huprimx Pro
Welcome to Huprimx Pro, the habit tracker that turns self-improvement into a beautiful journey.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
343 ratings · Top 15%
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
Make this idea yours
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/
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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 Huprimx Pro: 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
Add social sharing and competition features.
Assumption to check: Limited social features for challenges
Validate with people who use this workflow before building.
Hypothesis 2
Implement health device integrations.
Assumption to check: No integration with wearables
Validate with people who use this workflow before building.
Hypothesis 3
Simplify design and improve navigation.
Assumption to check: User interface can feel cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Introduce AI-driven meal suggestions.
Assumption to check: Lack of personalized meal plans
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
Welcome to Huprimx Pro, the habit tracker that turns self-improvement into a beautiful journey. Tired of boring checklists? In Huprimx Pro, every habit is a unique plant in your digital garden. As you complete your daily tasks, you water your plants, watching them grow from tiny seeds into magnificent flowers. It’s the most rewarding way to build consistency. VISUALIZE YOUR GROWTH • Gamified Tracking: Watch your habits come to life. Each check-in nurtures your plant through 5 growth stages, from seed to full bloom. • Your Personal Garden: See all your habits at a glance in a stunning grid view. A full garden means a productive life. • Streaks & Progress: Keep your streak alive to keep your garden flourishing. CUSTOMIZE YOUR WORLD • Create Custom Themes: Make your habits truly yours. Use photos from your camera or library to create unique themes for each habit. • Unlock Creativity: Watch short videos to earn credits and create limitless custom themes. POWERFUL INSIGHTS • Heatmaps: Visualize your consistency over time with intuitive contribution graphs. • Best Hour Analysis: Discover when you are most productive during the day. • Weekly Distribution: Understand your focus areas with detailed breakdown charts. PRIVACY FIRST • 100% Private: Your data stays on your device. We don't store your personal habit data on our servers. • Secure & Offline: Works perfectly offline. Your garden is yours alone. FEATURES • Flexible scheduling (Daily, Weekly, Monthly) • Smart reminders to keep you on track • Archive old habits to keep your garden tidy
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
Axios
Recharts
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.
