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
Border Wait
Border Wait helps you view current land border wait times before you travel
$2.99 · In-app purchases
PRICE
$2.99
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/
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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 Border Wait: map the core Travel 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 real-time data integration from official sources.
Assumption to check: Inaccurate wait time data due to reliance on user reports
Validate with people who use this workflow before building.
Hypothesis 2
Expand database with user-submitted crossings.
Assumption to check: Limited coverage of crossings
Validate with people who use this workflow before building.
Hypothesis 3
Simplify subscription tiers and provide clear explanations of benefits.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Add in-app messaging or forums for users to share experiences.
Assumption to check: Lack of community features
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
Border Wait helps you view current land border wait times before you travel. The app displays official wait time information published by U.S. Customs and Border Protection (CBP) and the Canada Border Services Agency (CBSA) in a simple, easy-to-scan format. Border Wait shows passenger, commercial, and pedestrian delays, lane status including standard and trusted traveler lanes when available, border closures, update-pending conditions, and last updated times provided by the source agencies. It supports crossings from Canada and Mexico into the United States, as well as crossings from the United States into Canada. Border Wait does not calculate, estimate, or predict delays. All information is displayed exactly as provided by CBP and CBSA. Border conditions can change quickly due to traffic volume, staffing, inspections, weather, or operational decisions, and actual wait times may differ from what is shown in the app. The app includes a clean, distraction-free design, alphabetical sorting for fast scanning, live refresh with automatic updates, pull-to-refresh support, the ability to save favorite crossings, and support for both light and dark mode. Border Wait is an informational tool only. The developer does not guarantee the accuracy or timeliness of the data and is not responsible for delays, missed connections, or decisions made based on the information shown in the app. Data sources: U.S. Customs and Border Protection (CBP) and Canada Border Services Agency (CBSA).
Written user reviews are not shown here. Check current App Store reviews >
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
Firebase
Axios
React Navigation
React Native Maps
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.
