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
SOS™
Be ready for any emergency
$0.49 · In-app purchases
PRICE
$0.49
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included15 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 SOS™: 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 a large, prominent button on the home screen for immediate SOS alerts.
Assumption to check: Users may find it difficult to quickly send alerts in high-stress situations.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to easily add, edit, and prioritize contacts.
Assumption to check: Limited options for customizing emergency contacts.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate real-time location sharing with alerts.
Assumption to check: Lack of real-time tracking or location sharing during an SOS alert.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify settings with clear explanations and toggles.
Assumption to check: Confusing settings for notifications and permissions.
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
Be ready for any emergency. SOS: Flashlight • Morse • Location turns your iPhone into a survival tool that can signal SOS in real Morse code, flash the torch or screen, and share your live GPS location instantly — even when every second counts. Dual light modes: Use your iPhone’s torch or screen as a beacon. Perfect for night rescue, roadside emergencies, or power outages. True Morse SOS signaling: Automatically transmits SOS (... --- ...) continuously at real Morse timing — no tapping required. Precise live location: Get your exact coordinates with a single tap and share instantly via Apple Maps link. No setup, no login: Works right away. Designed for speed and simplicity. Offline ready: Torch and SOS signals work without internet. Adjustable brightness: Control intensity to save battery or maximize visibility. Lightweight, ad-free, privacy-focused: No data collection. No clutter. 100% focused on function. Perfect for: Hikers, travelers, drivers, boaters, night runners, campers, and anyone who values safety and readiness. Whether you’re lost in the woods or signaling from shore, this app provides three lifesaving utilities in one clean interface. Simple. Reliable. Essential. One-tap SOS beacon (Morse code compliant) Flashlight and screen light modes Adjustable light brightness Location detection and Apple Maps sharing Copy and share coordinates Offline SOS operation Haptic feedback for confirmation Designed with Apple’s SwiftUI and CoreLocation for speed and battery efficiency
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
Supabase
@react-navigation/native
expo-location
@supabase/supabase-js
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.
