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
HAUTE ROUTE ALPS
The "Haute Route" (HRA) it's a long distance trail that goes from Chamonix (France) to Zermatt (Switzerland) across several Alp valleys
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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 included15 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for HAUTE ROUTE ALPS: map the core Navigation 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
Add robust offline maps with downloadable routes.
Assumption to check: Limited offline functionality for navigation
Validate with people who use this workflow before building.
Hypothesis 2
Provide clear explanations and benefits for each tier.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate user reviews and ratings for routes.
Assumption to check: Lack of user-generated content like reviews
Validate with people who use this workflow before building.
Hypothesis 4
Enable integration with CarPlay and Google Maps.
Assumption to check: No integration with other navigation tools
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
The "Haute Route" (HRA) it's a long distance trail that goes from Chamonix (France) to Zermatt (Switzerland) across several Alp valleys. The trail is well-marked and well-equipped, but it's demanding physically. If done late in the summer, can be done without crampons. You will have outstanding views of the Alps glaciers, walk through small villages and visit the two of the most known mountain towns of the Alps. "Digital Hiking Guide" is the proposal of **HIKEORAMA** as an assistant in long distance routes. It includes in a single application all the necessary information in your routes. Maps, meteorology and information of all the points that you will find along the way. All this presented in the most accessible possible way. It will allow you to position yourself on the route and will help you to take better decisions. Summary: ATM 5 Accommodation 26 Camp spot 65 Camping 9 Contact 30 Difficult section 16 Food store 25 Garbage 12 Laundry 2 Mountain pass 8 Natural shelter 6 Outfitter 9 Pharmacy 5 Phone signal 1 Picnic area 14 Post office 3 Public transport 17 Restaurant 28 Roof 17 Sign post 166 Source 61 Stealth 1 Stream 48 Summit 1 Toilet 15 Tourism office 5 Vending 1 WIFI 1
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 Native
Expo
react-navigation
axios
react-native-maps
expo-location
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.
