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
Favor Runner: Deliver & Earn
DELIVER WITH FAVOR
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
40,784 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.
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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 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 Favor Runner: Deliver & Earn: map the core Business 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
Provide a detailed earnings breakdown with visual graphs.
Assumption to check: Users report difficulty in tracking earnings over time.
Validate with people who use this workflow before building.
Hypothesis 2
Implement notifications for new tasks and a favorites feature.
Assumption to check: Some users find the task claiming process too competitive.
Validate with people who use this workflow before building.
Hypothesis 3
Add a real-time task claiming feature.
Assumption to check: Long wait times for task acceptance can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate more payment methods and a wallet feature.
Assumption to check: Limited payment options can deter some 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
DELIVER WITH FAVOR Enjoy the flexibility of making money when and where it works for you. Sign up to deliver with Favor and start earning in no time! PART OF H-E-B With Favor, you’ll get exclusive opportunities to deliver orders from one of the most beloved brands in Texas. MAXIMUM FLEXIBILITY Favor is designed to fit your life. Everything from when and where you deliver to how often you get paid is totally up to you. UNLIMITED WAYS TO EARN We believe delivering should be rewarding. Between base pay, tips, and promos, you can stack cash with ease. HUMAN SUPPORT We’ve got your back. Quickly and easily get personalized help anytime you need it from a real Texan who cares. BY TEXANS, FOR TEXANS We’re currently delivering in more than 400 cities across the Lone Star State, including Abilene, Arlington, Austin, Baytown, Beaumont, Brownsville, College Station, Corpus Christi, Dallas, Denton, Fort Worth, Georgetown, Houston, Killeen, Lubbock, Midland, New Braunfels, Odessa, Port Arthur, San Antonio, San Marcos, Temple, and Waco. SIGN UP TODAY Visit run.favordelivery.com to get started! Promos may vary by market, time of day, or other factors.
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 Navigation
Zustand
React Native Gesture Handler
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.
