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
Roku Smart Home
The simple way to a smarter home
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
153,191 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 included18 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 Roku Smart Home: map the core Lifestyle 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 better state management and caching.
Assumption to check: Users experience lag when refreshing device status
Validate with people who use this workflow before building.
Hypothesis 2
Expand support for more smart home devices.
Assumption to check: Limited device compatibility
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the scene creation process with templates.
Assumption to check: Difficulty in scene creation
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
The simple way to a smarter home. The Roku Smart Home mobile app is the only smart home manager you need for your Roku Smart Home devices—indoor and outdoor home security cameras, video doorbells, smart bulbs, smart light strips, smart plugs, and more. Easily set up your smart home devices, customize your settings, and more all in the Roku Smart Home device manager. See all your devices in one place and group them to control your entire house at once. The Roku Smart Home mobile app is your one and only home camera app. With your smart home manager, you can easily set up Roku home security cameras and video doorbells and customize camera settings in a tap. Monitor your home from anywhere with the app—get instant motion or sound notifications when there’s activity, pull up live footage, and even have a chat with two-way audio. You can customize notifications and motion detection zones, so you only get the alerts you want. With a Roku Smart Home subscription, you can unlock cloud storage and view motion-triggered recordings for up to 14 days. Also included in the subscription is smart detection, which identifies people, pets, packages, and cars and allows you to filter alerts—so you only get the ones you decide are important.* Home security has never been this easy. Roku smart lights brighten up any space in your home with customizable LED bulbs and smart light strips. Your smart home manager also allows you to quickly and easily customize light settings for your smart bulbs and smart light strips with a tap. Change colors, save custom presets, adjust brightness, and create rules that put your lights on your schedule—even when you’re not home. With Roku smart plugs, control indoor lamps, outdoor holiday lights, or any compatible device remotely in the app. Customize your plug’s settings in your smart home manager to give your home power when you need it. Create custom schedules for your plugs to switch on or off. You’re in full control. When it comes to installing your smart home devices, your smart home manager makes setup a breeze. All Roku Smart Home products have a surprisingly simple guided setup in the Roku Smart Home mobile app. *Sign up for Roku Smart Home subscription by logging into your Roku account. Privacy Policy: go.roku.com/privacypolicy CA Privacy Notice: https://docs.roku.com/published/userprivacypolicy/en/us#userprivacypolicy-en_us-CCPA
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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
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.
