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
WSwitch for WeMo
WSwitch switches your smart plugs and lights from your iPhone, iPad, and Apple Watch
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.5
220 ratings · Top 50%
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 WSwitch for WeMo: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
WSwitch switches your smart plugs and lights from your iPhone, iPad, and Apple Watch. One tap turns a lamp, a heater, or a whole room on or off. Everything runs on your home network, with no account and no cloud service. HOME • Tiles show every device and whether it's on. Tap a tile to switch it. • Dim LED bulbs right on their tile. • Groups switch several devices at once, and All Off turns everything off. ENERGY • For Insight plugs: live watts, today's energy and on-time, a power chart, and totals. • Enter your electricity price to see what it costs. TIMERS, SCHEDULES, AND AUTOMATIONS • Keep a plug on for 15 minutes to 2 hours, and it switches itself off, even if your iPhone is off. • Shortcuts actions turn devices on or off, toggle them, check whether they're on, or turn everything off. • Use Shortcuts automations to switch devices at set times, when you arrive home, or when a Focus turns on. A built-in guide shows how. EVERYWHERE • Home Screen widgets in three sizes, with a button for each device. • A control for Control Center and the Lock Screen. • An Apple Watch app to switch devices from your wrist. • Quick actions on the app icon to turn everything on or off. SETUP • WSwitch finds your devices by itself, or you can add one by its IP address. • Set up a new or reset plug on your Wi-Fi right from your iPhone. • Rename devices, give each one an icon, and choose what appears in widgets and on your watch. COMPATIBLE DEVICES Belkin WeMo Insight Smart Plug, Switch Smart Plug, Switch + Motion, and Smart LED Bulbs with the WeMo Link. Not compatible with HomeKit-enabled models. Your iPhone and your devices need to be on the same local network. Also available for Mac. WSwitch is an independent app and isn't affiliated with Belkin.
Written user reviews are not shown here. Check current App Store reviews >
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 a more robust automatic device discovery feature.
Assumption to check: Inconsistent device discovery process
Validate with people who use this workflow before building.
Hypothesis 2
Provide more control features like scheduling and automation.
Assumption to check: Limited device control options
Validate with people who use this workflow before building.
Hypothesis 3
Add clear success/error messages after user actions.
Assumption to check: Poor user feedback on actions
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the purchase process and provide a clearer explanation of features.
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
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
AsyncStorage
Typescript
BUILD KIT DIFFICULTY
Intermediate
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.
