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
PicTrax - Share the Adventure
PicTrax is your digital travel and exploration companion - a living, interactive map of user-shared destinations around the globe, and it starts with you sharing your discoveries
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.5
2 ratings · Top 50%
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 PicTrax - Share the Adventure: 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 a robust commenting system for users to engage more.
Assumption to check: Limited user engagement features like messaging or comments.
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate a recommendation algorithm based on user preferences.
Assumption to check: Difficulties in discovering new adventures.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to set privacy levels for their adventures.
Assumption to check: Inadequate privacy settings for shared content.
Validate with people who use this workflow before building.
Hypothesis 4
Enable offline access to previously viewed adventures and albums.
Assumption to check: Lack of offline functionality.
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
PicTrax is your digital travel and exploration companion - a living, interactive map of user-shared destinations around the globe, and it starts with you sharing your discoveries. Share a recent travel discovery, whether hyperlocal or from your last overseas trip! Exclusive New Feature – Private Collection Sharing Create and share private collections of destinations with specific users. Perfect for planning trips with friends, sharing secret spots, or keeping special adventures just between you. You can even use private shared collections in industries like law enforcement, national park staff, council maintenance crews and even film crews! (Paid subscription access – you must both follow each other to send and receive private collections.) Why You’ll Love PicTrax • Discover Hidden Gems: Explore authentic, off-the-map destinations you won’t find on typical travel guides. • Add and Share Destinations: Upload your own photo discoveries and inspire others to explore the world just like you did. • Plan & Personalise: Build collections of must-see destinations and turn them into self-guided adventures for yourself and / or others. • Share Collections: Share public collections with others so they can save and follow your itineraries. • Share private collections: Give your overseas visitor the best local guide without exposing your tips to the general public. • Your Privacy Matters: PicTrax respects your privacy — your data and location remain under your control (only share your travel discoveries after you’ve left the area). Unlike other travel apps that push sponsored stops, PicTrax is powered by people, not algorithms. It’s about sharing real experiences, real places, and real stories. So start exploring, start sharing, and inspire others to discover the world through your experiences. Share the Adventure – with PicTrax. Privacy Policy: https://pictrax.com/privacy-policy/ Terms of Use: https://pictrax.com/terms-of-use-ios-users-apple/
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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
React Navigation
react-query
expo-camera
BUILD KIT DIFFICULTY
Expert
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.
