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
MysteryHike: Travel & Explore
MysteryHike® is the best GPS game that takes your traveling, exploring, staying active, and having fun to the next level
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
239 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.
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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 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 MysteryHike: Travel & Explore: 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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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
MysteryHike® is the best GPS game that takes your traveling, exploring, staying active, and having fun to the next level. Mapping out every place you’ve visited, it tracks your journeys and inspires you to explore corners of your city or trails you might usually skip. Key Features - IRL Game Experience – A real-life adventure where every step reveals new terrain. - Fog of World Concept – Reveal the paths you walk and see your personal map grow. - City Fragments – Explore your city 100% and unlock epic rewards. - Route Visualisation – See detailed maps of your travels and destinations. - % of World Progress – Track your global discovery percentage and push it higher. - MysteryPlaces – Find hidden treasures from natural wonders to cultural gems. - MysteryBook – Share reviews, stories, and tips with other explorers. - Gamified Exploration – Earn XP, level up, and climb the global leaderboard. - Special Badges – Unlock badges by completing missions, challenges, and events. Discover MysteryPlaces like mountain peaks, landmarks, and cultural icons. Leave reviews, share tips in the MysteryBook, and connect with other explorers. With City Fragments, every city is split into smaller parts you can reveal step by step. Reach 100% and unlock epic rewards. The more you move, the more fun it gets. Earn points, climb the leaderboard, and challenge yourself with missions. Collect epic badges and rewards that turn everyday walks into real-life adventures—making every journey feel like a game. MysteryHike blends travel, gaming, and exploration into one unforgettable experience. Whether you’re unlocking hidden corners of your neighborhood, scaling mountain peaks, or discovering cultural landmarks abroad, MysteryHike makes exploration addictive and fun. Turn the world into your playground. Start your journey with MysteryHike today. Terms of Service: https://mysteryhike.com/terms-of-service/ Privacy Policy: https://mysteryhike.com/privacy-policy/
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
Incorporate more detailed user reviews and community features.
Assumption to check: Limited trail information and user-generated content.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the booking process with clear steps and prompts.
Assumption to check: Difficulty in booking due to complex navigation.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance the messaging feature with real-time updates and notifications.
Assumption to check: In-app messaging can be slow and unresponsive.
Validate with people who use this workflow before building.
Hypothesis 4
Implement a recommendation engine based on user preferences and past activities.
Assumption to check: Lack of personalized recommendations.
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 Navigation
Axios
Zustand
React Native Maps
Expo
React Native Gesture Handler
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.
