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
Truck Masters: World Simulator
truck masters: world simulator – the ultimate trucking experience!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
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.
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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Add to a Remix
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 included18 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 Truck Masters: World Simulator: map the core Games 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
Introduce diverse challenges and truck customization options.
Assumption to check: Users may find the game repetitive and lacking variety.
Validate with people who use this workflow before building.
Hypothesis 2
Offer rewards and a fair progression system to minimize paywall frustration.
Assumption to check: In-app purchases can lead to frustration if not balanced.
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate multiplayer modes or leaderboards for competition.
Assumption to check: Limited social features may reduce player engagement.
Validate with people who use this workflow before building.
Hypothesis 4
Implement a tutorial or guided experience to enhance user understanding.
Assumption to check: Poor onboarding experience for new players.
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
truck masters: world simulator – the ultimate trucking experience! drive across the world with the best truck simulator games. experience realistic routes inspired by american truck simulator, euro truck simulator, and other global trucking titles. take control of powerful trucks and haul cargo across cities, deserts, and icy roads. explore iconic routes take on realistic truck driving challenges across america, europe, and asia. enjoy detailed environments, weather effects, and true-to-life physics in every mission. choose your jobs pick from a variety of transport contracts – trailers, heavy cargo, or special deliveries. earn rewards, complete missions, and grow your reputation as a master trucker. upgrade & customize your fleet unlock and upgrade trucks, engines, and trailers. customize your vehicles with new colors, decals, and accessories to create your perfect rig. build your trucking business expand your operations with fuel stations, garages, and depots. manage routes, hire drivers, and watch your trucking empire grow. multiple game modes * career mode: build your trucking legacy. * custom mode: create your own driving experience. * multiplayer mode: drive with or compete against other players. * event mode: take part in special challenges and earn exclusive rewards. trophy road & leaderboards climb the global leaderboards, complete achievements, and prove your skills among the best drivers. why choose truck masters: world simulator? * realistic truck physics and handling. * beautiful environments and dynamic weather. * multiple truck brands and customization options. * global leaderboards and online multiplayer. start your trucking journey today! if you love truck simulators, cargo transport, and driving challenges, download now and become the ultimate truck master. whether you enjoy american truck, truk simulator, or truck simulator usa revolution, this is the truck simulator adventure for you. download now & conquer the roads!
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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-native-reanimated
expo-router
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.
