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
Travel Town - Merge Adventure
Explore Travel Town, where you can combine everything into better and more useful items while you travel the world!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
191,676 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.
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 Travel Town - Merge Adventure: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Explore Travel Town, where you can combine everything into better and more useful items while you travel the world! Reveal secrets as you discover yourself and help the friendly people of Travel Town! TRAVEL TOWN FEATURES: == Match Objects == • Discover over 500 fantastic objects through hundreds of levels! • Freely drag objects around the beautiful world and match 2 of a kind evolve them into more superior items! • Fulfil the missions of the townsfolk to unlock more amazing items! == Meet New Villagers == • Discover 55 villagers who live in Travel Town, and help them restore their seaside town! • Match objects to upgrade them and unlock more and more items to support you on your journey! == Town Building == • A storm has ravaged Travel Town - Collect coins and bring the town back to its former beauty! • Discover and upgrade dozens of houses and improve the town beyond your wildest dreams! Follow Travel Town on Facebook and Instagram for exclusive offers and bonuses! Facebook: facebook.com/TravelTownGame/ Instagram: instagram.com/traveltowngame/ Terms of Service: https://static.moonactive.net/legal/terms.html Privacy Notice: https://static.moonactive.net/legal/privacy.html The game contains in-game purchases (including randomized items) Questions about the game? Contact us in the game by clicking on Settings > Contact Us Our support is also ready and waiting at: https://support.traveltowngame.com/
Written user reviews are not shown here. Check current App Store reviews >
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 new game mechanics and events.
Assumption to check: Repetitive gameplay can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase flow and clarify benefits.
Assumption to check: In-app purchases can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Add leaderboards and friend challenges.
Assumption to check: Limited social features for competition.
Validate with people who use this workflow before building.
Hypothesis 4
Implement an ad-free subscription model.
Assumption to check: Ads can disrupt gameplay experience.
Validate with people who use this workflow before building.
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
expo-animated
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.
