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
Guide To Tromsø
Guide to Tromsø — Your Arctic Aurora Companion
$1.99
PRICE
$1.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included16 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 Guide To Tromsø: 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
Guide to Tromsø — Your Arctic Aurora Companion Built locally in Tromsø by professional aurora guides who track these skies every single night — not a generic weather app, but a tool made by people who chase the northern lights for a living. Whether you're planning your trip or already here, Guide to Tromsø gives you everything you need to catch the aurora and make the most of your stay in Northern Norway. ONE PRICE. NO SUBSCRIPTION. Pay once and everything is yours — every feature, every update. No monthly fees, no paywalls, no premium tier, and no annoying upsells. REAL-TIME AURORA TRACKING Live Kp-index, Bz (interplanetary magnetic field), solar wind speed, and cloud cover — the same data our guides use to decide where to take guests each night. Get alerts the moment conditions start looking promising. CLOUD COVER MAP See where the sky is clear right now and over the next few hours, based on high-resolution forecasts from the Norwegian Meteorological Institute — so you know which way to drive. AURORA SIGHTINGS See where the northern lights are being spotted right now, shared by guides and fellow aurora hunters across the region. Each photo can show which direction it was taken and how clear the sky was, and you can get a notification when someone nearby shares a new one. CURATED LOCATIONS The best aurora viewing spots our guides have used for years, plus restaurants and places to visit in Tromsø — handpicked by locals, not generated by an algorithm. TOURS & EVENTS Local tours, events and experiences from trusted, vetted operators in Northern Norway — book with confidence, straight from people who know the area. LOCAL AND PROFESSIONAL Guide to Tromsø isn't built from a distance. It's made by a team based in Tromsø, running real aurora tours, with direct access to the same forecasting data and local knowledge that keeps guests coming back season after season.
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 user-generated content and reviews.
Assumption to check: Limited content variety in travel apps.
Validate with people who use this workflow before building.
Hypothesis 2
Improve search and filtering capabilities.
Assumption to check: Difficulty in finding specific information.
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline caching for key data.
Assumption to check: Lack of offline access.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance map features with better location services.
Assumption to check: Poor map integration.
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
axios
react-query
react-navigation
@react-native-async-storage/async-storage
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.
