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
GhostEye
Whether you are a professional Paranormal Investigator, a hobbyist or want to set up a simple alarm system, this app works as a motion detector taking snapshots when movement is detected.
$1.99
PRICE
$1.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.7
3 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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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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 included
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 GhostEye: 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
Add gamification elements to encourage user engagement.
Assumption to check: Limited features compared to competitor apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement a consistent design language across all screens.
Assumption to check: Inconsistent user interface design
Validate with people who use this workflow before building.
Hypothesis 3
Introduce social sharing features to connect users.
Assumption to check: Lack of community features or sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize themes and notifications.
Assumption to check: No options for customization
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
Whether you are a professional Paranormal Investigator, a hobbyist or want to set up a simple alarm system, this app works as a motion detector taking snapshots when movement is detected. By placing your device on a fixed, UNMOVING surface (using a tripod works best) you can point it at an area to monitor. GhostEye will use the camera to watch for movement and take a snapshot when it detects changes in the image. Features include: - Use the rear or front camera where available - Adjust sensitivity to prevent false motion detection - Save snapshot images at 25%, 50%, 75% or full size - Share saved images with other apps, e.g. iCloud, Email etc. TIP 1: Even a cheap tripod (e.g. from a pound shop) will provide a steady image to prevent your device being affected by motion or vibration. Don't try to use the app while holding your device as it will detect lots of movement. TIP 2: The app can be used to catch trespassers in an area by leaving your device plugged into a charger and pointing to the area to monitor. If the app does not do what you were expecting, or there is an issue with it running on your device, please contact me for help. There are no adverts in this software. If you would like to try the free version first (with limited snapshots and image size), it is listed under "GhostEye Lite".
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
Victory Native
Async Storage
React Query
React Navigation
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
