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
TruckMap - Truck GPS Routes
TruckMap is the best free mobile app built for Truck Drivers
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
79,081 ratings · Top 15%
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 included17 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 TruckMap - Truck GPS Routes: map the core Navigation 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 robust offline maps and routing features.
Assumption to check: Limited offline functionality can hinder navigation.
Validate with people who use this workflow before building.
Hypothesis 2
Offer an ad-free subscription tier.
Assumption to check: In-app advertisements can disrupt user experience.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance routing algorithms for truck-specific road conditions.
Assumption to check: Current routing may not always consider truck-specific restrictions.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the UI for better navigation and usability.
Assumption to check: User interface can be cluttered and overwhelming.
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
TruckMap is the best free mobile app built for Truck Drivers. The only app with truck optimized GPS routes for commercial vehicles, turn-by-turn routing, diesel fuel, weigh stations, overnight parking, Walmart, and Rest Areas. Truck Optimized GPS Routes - Routes and directions for Trucks, not cars - Turn-by-turn routing and navigation - Commercial vehicle restrictions for truck weight, low clearance, and HAZMAT - Customize truck height, weight, and avoid Toll Roads - Route around truck-forbidden roads and highways - Find trucking locations along the way and never miss a stop Over 600,000 Truck Facilities - Walmart, Pilot / Flying J, Petro, Love's, Roady's, AM Best, TA TravelerCenters of America - Thousands of other trucker stops with laundry, showers, and truck washes - Thousands of Weigh Stations, DOT Inspection Sites, and Rest Areas - Shipping facility reviews and driver feedback - Over 400,000 truck parking spots Freight Broker Marketplace - Over $4.5B worth of freight listed per year from our freight broker, 3PL, and logistics partners - Book-it-now loads with bidding and carrier onboarding - Find headhaul, backhaul, and highest rate-per-mile freight Filter Locations With: Parking (Daytime, Overnight, HAZMAT), Truck Washes, Convenience and Grocery Stores, Diesel Fuel, Biodiesel, Propane, DEF Lines, CAT Scales, Air Hoses, ATM, Restrooms, Showers, Laundry, Wi-Fi, RV Dump Stations, and Open 24/7 Truck Services: Truck Washes, Oil Changes, Tire Service, Truck Mechanics, Truck Dealers, Roadside Assistance, Towing. Made in Chicago, USA
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
Zustand
react-navigation
Expo Location
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.
