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
YI Home
The YI Home app is the intuitive and easy-to-use app for all your YI Home Cameras
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
71,940 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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 YI 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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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
The YI Home app is the intuitive and easy-to-use app for all your YI Home Cameras. Follow the simple onscreen instructions to add your YI Home camera then easily access 24/7 live view of your home, from anywhere. App Features • Real-time video streaming from your camera to your phone • 2-way conversation and audio • Activity highlights of unusual motion detected activity • Pan, tilt, and zoom on your phone to see more details of the room • 1080p HD video with both day and night vision • Secure your videos with a micro SD card Auto-renewing subscriptions info: -Subscription name：Kami Cloud Entry(Yearly) 1 cam, 7 days history, motion -Length of subscription: 365 days -Price of subscription: $29.99 per year -Subscription name：Kami Cloud CVR(Yearly) -Length of subscription: 365 days -Price of subscription: $59.99 per year -Subscription name：Kami Cloud Standard(Yearly) -Length of subscription: 365 days -Price of subscription: $79.99 per year -Subscription name：Kami Cloud Plus(Yearly) -Length of subscription: 365 days -Price of subscription: $129.99 per year -Subscription name: Kami Cloud Entry (Monthly) -Length of subscription: 30 days -Price of subscription: $2.99 per month -Subscription name：Kami Cloud CVR (Monthly) -Length of subscription: 30 days -Price of subscription: $7.99 per month -Subscription name：Kami Cloud Standard (Monthly) -Length of subscription: 30 days -Price of subscription: $9.99 per month -Subscription name：Kami Cloud Standard (Monthly) -Length of subscription: 30 days -Price of subscription: $14.99 per month -Payment: The user confirms the purchase and pays it with their iTunes account. -Cancel renewal：If you need to cancel the renewal, please manually turn off the automatic renewal function in Itunes / Apple ID settings management 24 hours before the current subscription expire -Renew：Apple iTunes account will be debited within 24 hours before expiration, and the subscription cycle will be postponed for one month after the deduction is successful -Precautions：After renewing the subscription automatically, the service is free for the first month, and the trial period ends from the day of purchase to the day of next month, and the charge is automatically deducted -Terms of use：https://api.yitechnology.com/home/terms_of_use?location=USA&lang=zh-CN?location=USA&lang=zh-CN -Privacy policy：https://api.yitechnology.com/home/privacy_agreement?location=USA&lang=zh-CN?location=USA&lang=zh-CN -YI Cloud Service Agreement：https://api.yitechnology.com/homecamera/cloud_agreement_ios.html - A functional link to the Terms of Use (EULA) Automatic Renewal Service Agreement：https://app.yitechnology.com/#/YihomeAutoRenewalAgreement
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 better error handling and offline mode.
Assumption to check: Frequent connectivity issues with devices.
Validate with people who use this workflow before building.
Hypothesis 2
Offer more functionality in the free tier to attract users.
Assumption to check: Limited features in the free version.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify navigation and improve onboarding experience.
Assumption to check: User interface can be confusing for first-time users.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize app performance for smoother user experience.
Assumption to check: Inconsistent app performance during high traffic.
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.
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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.
