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
Trotter
Exclusive access to the experiences that matter.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 5.0
9 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.
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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's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 Trotter: 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
Simplify the UI with clear navigation and fewer distractions.
Assumption to check: Users find travel planning apps often cluttered and overwhelming.
Validate with people who use this workflow before building.
Hypothesis 2
Improve messaging by ensuring it integrates seamlessly with trip planning.
Assumption to check: In-app messaging can feel disjointed.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize their itineraries more flexibly.
Assumption to check: Limited options for customization of trips.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance search functionality with better filtering options.
Assumption to check: Difficulty in finding relevant results quickly.
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
Exclusive access to the experiences that matter. From iconic global events to discreet, members-only gatherings, Trotter connects you to premium access – without the noise or uncertainty. Collaborate directly with your dedicated concierge to plan every detail, from tickets and hospitality to dining and travel. Whether you’re seeking refined luxury or unforgettable adventure, your itinerary is handled from start to finish. Your Personal Travel Concierge Every journey is curated around you. Receive tailored itineraries, private recommendations, and insider access from our network of cultural curators and trusted Connoisseurs. From hard-to-book restaurants to under-the-radar destinations, every detail is considered. Access, Secured Skip waitlists and sold-out pages. Get priority tickets, VIP hospitality, and premium event packages at the world’s most sought-after events. Yacht-side viewing at the Monaco Grand Prix Centre Court seating at Wimbledon Premium Glastonbury packages Priority access to global sporting and cultural events CHAPTERS Events Our CHAPTERS private member events bring the community together in extraordinary locations worldwide. Join curated gatherings, private parties, and invitation-only experiences designed exclusively for Trotter members where you can network and party with like-minded individuals. Curated Recommendations Discover the best recommendations at must-visit locations around the world – carefully selected by Trotter. Explore and save your own spots in Collections, to have on hand for your next journey. Membership Options Guest Membership – Access Trotter CHAPTERS events and exclusive member gatherings around the world. Insider Membership – Unlock full concierge access, bespoke itinerary planning, premium event sourcing, and priority hospitality, alongside entry to all CHAPTERS events. Choose the level of access that suits how you travel. Join a private community of passionate travellers and cultural explorers today. Terms of Use: https://jointrotter.com/terms/ Privacy Policy: https://jointrotter.com/privacy/
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 Navigation
Zustand
Supabase
Axios
Expo Image Picker
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.
