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
Oregon Coast Offline Guide
Excited to take the Oregon Coast Highway from Brookings, OR to Astoria, OR (or vice versa) but nervous you won’t have cell coverage for most of the trip? Well, we’ve got you covered!
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
33 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.
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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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 Oregon Coast Offline Guide: 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
Expand offline content with more attractions and offline maps.
Assumption to check: Limited offline content and features
Validate with people who use this workflow before building.
Hypothesis 2
Implement clearer navigation paths and user guidance.
Assumption to check: Navigation can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Enable user reviews and photos for attractions.
Assumption to check: Lack of user-generated content
Validate with people who use this workflow before building.
Hypothesis 4
Improve transparency around in-app purchases and benefits.
Assumption to check: In-app purchases can be unclear
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
Excited to take the Oregon Coast Highway from Brookings, OR to Astoria, OR (or vice versa) but nervous you won’t have cell coverage for most of the trip? Well, we’ve got you covered! Introducing our new offline Oregon Coast Road Trip photo guide. When you have a working WiFi connection simply download our offline guide to your device and, like magic, the app will now work when you don't have an internet connection. You'll be able to check in, save attractions for later, add new photos, and - best of all - find the exact locations of all the coolest Oregon Beach Highway spots including Thor’s Well, Devils Punch Bowl, Natural Bridges, Arch Rock, Sea Lion Caves, and Haystack Rock - all without having a working cell signal! One-time payment: We don't have any upsells, in-app purchases, subscriptions, or ads in this app, so for a simple one-time purchase, all of this can be yours for life. Plus, you'll automatically get any new future attractions we add to the app for FREE! Leave no trace: When visiting any attraction (in our app or not) please be responsible and leave it exactly how you found it. Take only photos and leave only footprints. To learn more please visit LNT.org. Happy exploring, The I Heart Travel Team
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
Supabase
react-navigation
react-native-maps
Zustand
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.
