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
Xfinity
Your Xfinity experience, enhanced.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
1,383,644 ratings · Top 30%
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 Xfinity: map the core Utilities 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
Optimize data fetching and caching.
Assumption to check: Slow loading times for service details
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to set notification preferences.
Assumption to check: Limited customization options for notifications
Validate with people who use this workflow before building.
Hypothesis 3
Implement a guided onboarding experience.
Assumption to check: Confusing navigation for new users
Validate with people who use this workflow before building.
Hypothesis 4
Establish a consistent design language.
Assumption to check: Inconsistent UI elements across different screens
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
Your Xfinity experience, enhanced. Easily manage all your services in one place with the Xfinity app. Plus discover the power of NOW. NOW is a simple new way to get internet and mobile. It’s just what you want, and nothing you don’t. With all-in monthly pricing. Backed by Xfinity. Xfinity customers also get: • 24/7 real-time support anytime you need it. • Tools to help you seamlessly activate your equipment and test your internet speed. • Xfinity Rewards. Enjoy special perks, unique experiences, and product benefits just for being a customer. Customers who rent our equipment get even more: • Everything you need to manage your account, all in one place — pay your bill, view your plan details, change or upgrade your services, and more. • Personalized tools and tips to help improve WiFi performance. • CyberSecure to protect your devices and help keep loved ones safe online. • CyberSecure on-the-go provides safe browsing and data protection to your mobile device whenever you're connected to an unsecured WiFi network away from home. When you enable this feature, the app will occasionally run a VPN Service. The app will ask for additional runtime permissions for this feature. • Family Settings so you can set family-safe browsing and pause WiFi to any connected device. • Ultimate control with tools to help you set up your WiFi, assign user profiles, and get help improving the performance of every connected device. Getting started is simple. All you need is your Xfinity ID and the password you set up when you signed up for Xfinity. Need help signing in? • If you don't have an Xfinity ID yet, create one here: xfinity.com/getstarted • Look up your existing Xfinity ID: xfinity.com/id • Or reset your Xfinity password: xfinity.com/password Learn more about your options related to ‘California Civil Code §1798.135: Do Not Sell My Info’ at xfinity.com/privacy/manage-preference
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
Axios
React Navigation
React Query
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.
