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
Bilt Rewards
Bilt helps you transform your largest monthly expense—rent—into valuable rewards and unlock exclusive Neighborhood Benefits™
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
223,079 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.
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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 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 Bilt Rewards: map the core Finance 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
Expand rewards categories and partnerships
Assumption to check: Limited rewards redemption options
Validate with people who use this workflow before building.
Hypothesis 2
Simplify navigation and improve onboarding process
Assumption to check: User interface can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Enhance the account linking experience and provide clearer instructions
Assumption to check: Account linking issues
Validate with people who use this workflow before building.
Hypothesis 4
Add budgeting features to help users manage their finances better
Assumption to check: No budgeting tools
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
Bilt helps you transform your largest monthly expense—rent—into valuable rewards and unlock exclusive Neighborhood Benefits™. With Bilt, you can earn points on rent payments, build credit history, and unlock a world of rewards from travel to everyday redemptions. EARN REWARDS ON RENT Earn rewards on your largest monthly expense–rent. With every on-time rent payment, you'll earn Bilt Points – the industry's most valuable and flexible points currency. Plus, build credit history by automatically reporting your rent payments to all three major credit bureaus for free. ACCESS NEIGHBORHOOD BENEFITS™ Get even more at your favorite spots with exclusive Neighborhood Benefits™ at local restaurants, fitness studios, pharmacies, on Lyft rides, and more. Use any linked card with our neighborhood partners to stack Bilt Points, in addition to your usual card rewards. Unlock member benefits including complimentary items, member events, and more. REDEEM YOUR REWARDS Transfer your points 1:1 to your favorite airline miles and hotel points, use them for future rent payments, redeem for everyday purchases, or save them for a down payment on a home. Bilt offers the industry's most flexible and valuable redemption options. RENT DAY® REWARDS On the 1st of each month, we drop limited-time member benefits like unparalleled transfer bonuses, unique neighborhood dining experiences, a chance to win free rent through our Rent Free™ game, and more. Earn Points on Rent Payments: - Earn points on rent at any home, no matter where you live - Free credit building by reporting rent payments to all credit bureaus - No transaction fees on rent payments Unlock Neighborhood Benefits™: - Dining: Earn points and enjoy complimentary items at 20,000+ local restaurants - Fitness: Get complimentary add-ons at partner fitness studios like Barry's, SoulCycle, and more - Pharmacy: Apply automatic HSA/FSA savings at Walgreens - Lyft rides: Earn extra points on Lyft rides around your neighborhood Redeem the most flexible points: - Travel: Transfer points 1:1 to major airlines and hotels including United, American, Hyatt, and more, or use them in the Bilt Travel Portal - Rent: Use points towards future rent payments - Everyday Rewards: Redeem for Amazon purchases, gift cards, and more - Buy a Home: Save points for a down payment on a future home Earn Elite Status: - Earn status through points or eligible spend - Unlock increasingly valuable benefits across travel and everyday rewards - Customize your experience with Milestone Rewards at 25,000-point intervals Join over 4 million members who are transforming their largest monthly expense into their most rewarding one. Download the app today and start earning rewards on rent, in your neighborhood, and beyond.
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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
Zustand
React Navigation
react-native-reanimated
BUILD KIT DIFFICULTY
Expert
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.
