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
Discover Mobile
You can manage your Discover credit card and bank accounts conveniently and securely from anywhere, using Discover’s Mobile App
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
5,216,361 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 included18 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 Discover Mobile: 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
Implement customizable categories for user-defined transaction types.
Assumption to check: Limited categorization options for transactions
Validate with people who use this workflow before building.
Hypothesis 2
Add visual analytics and trend graphs for better insights.
Assumption to check: Difficulty in tracking spending trends over time
Validate with people who use this workflow before building.
Hypothesis 3
Ensure a consistent and user-friendly design language throughout the app.
Assumption to check: Inconsistent user interface across screens
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate robust budgeting tools and alerts for overspending.
Assumption to check: Lack of budgeting features
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
You can manage your Discover credit card and bank accounts conveniently and securely from anywhere, using Discover’s Mobile App. Check your account balance, view your account info, make and edit payments, add your card into Apple Pay, manage your rewards, and more - all from your mobile device. FAST ACCOUNT ACCESS • Log in quickly with a 4-digit Passcode • Log in faster with Discover Touch ID, available for users with Discover passcode enabled on an eligible device – not supported on modified or jailbroken devices MANAGE YOUR DISCOVER CREDIT CARD ACCOUNT • Check your balance and available credit, and view or download monthly statements • View and search transaction activity • Make payments and edit or cancel pending payments • Redeem rewards, in any amount, as a statement credit towards your monthly bill, including your minimum payment due • Redeem rewards, in any amount, as an electronic deposit to your bank account • Redeem rewards for gift cards starting at only $5. Plus, get an added bonus on every card • Link your Discover card to your Amazon and PayPal accounts to make it easier to earn and pay with rewards for eligible purchases at checkout • View your FICO® Credit Score* for free and learn what it means to lenders *See FICO® Credit Score terms at Discover.com/FICO • Freeze or unfreeze your account to prevent new purchases, cash advances, and balance transfers • Add your card into Apple Pay to use for purchases in-store on eligible devices with iOS 9 • Send and receive messages from Discover Customer Service • View and edit your account profile • Activate a new card or report a current card as lost, stolen or misplaced • Use the Travel Notification feature to help ensure uninterrupted use of your card while traveling • Sign up to receive alerts about your account MANAGE YOUR DISCOVER BANK DEPOSIT ACCOUNT AND PERSONAL LOAN ACCOUNT • View account balances, summary and transaction history • Track account activity and schedule transactions • Transfer money • Pay bills • Deposit checks • Find ATMs - Nationwide ATMs available to use your Discover debit card • View statements • View and send secure messages • Make Personal Loan payments Zelle and the Zelle related marks are wholly owned by Early Warning Services, LLC and are used herein under license. Mobile Privacy Statement: https://www.discover.com/privacy-statement Mobile Terms of Use: https://www.discover.com/credit-cards/help-center/discover-terms-of-use.html
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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
React Navigation
Zustand
react-native-paper
BUILD KIT DIFFICULTY
Advanced
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.
