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
Deadman Switch
Dead Man's Switch is a digital dead man's switch for your phone
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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 included16 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 Deadman Switch: 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 customizable reminders and notifications.
Assumption to check: Users may forget to check in regularly
Validate with people who use this workflow before building.
Hypothesis 2
Include options for grouping contacts and setting check-in intervals.
Assumption to check: Limited contact management features
Validate with people who use this workflow before building.
Hypothesis 3
Offer clear privacy settings and control over data sharing.
Assumption to check: User privacy concerns about location tracking
Validate with people who use this workflow before building.
Hypothesis 4
Introduce features like shared check-in reports or group check-ins.
Assumption to check: Not enough engagement features or social interaction
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
Dead Man's Switch is a digital dead man's switch for your phone. Set a check-in interval, tap to check in regularly, and if you ever miss a deadline, the app automatically emails or texts the contacts you've chosen — with the message you wrote. Use it for lone hikes, solo travel, living alone, risky chronic conditions, or simple peace of mind for the people who care about you. How it works: • Pick a check-in interval (minutes, hours, or days) • Add the people who should hear from you if you go silent • Write the message they'll receive • Tap to start; tap again any time to check in • Reminders at 75% and 90% before the alert fires • Miss the deadline and your contacts get the message automatically Email alerts are included. SMS alerts use a small refillable credit balance via in-app purchase — handy when an email might be missed. Simple. Private. Peace of mind for you and your loved ones. Dead Man's Switch is not a substitute for emergency services. If you are in immediate danger, call 911 or your local emergency number.
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
Redux
Axios
Firebase
React Navigation
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.
