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
Open The Earth
open the earth is the ultimate app for discovering the incredible geology of utah, the center of "scenic america"
$29.99 · In-app purchases
PRICE
$29.99
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 included17 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 Open The Earth: 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 advanced filtering options and user-friendly sorting.
Assumption to check: Users find it hard to filter and sort listings effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance messaging with rich media support and notifications.
Assumption to check: In-app messaging can be confusing and lacks features.
Validate with people who use this workflow before building.
Hypothesis 3
Add multiple payment gateways and options.
Assumption to check: Limited payment options lead to user frustration.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a more organized layout and categorization for search results.
Assumption to check: Search results can be overwhelming without clear organization.
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
open the earth is the ultimate app for discovering the incredible geology of utah, the center of "scenic america". open the earth is the prefect companion for planning your next road trip, visiting the big 5 national parks, or just passing through on one of the major roadways. with over 120 narrations, and growing, open the earth has the whole state covered. narrations are never too technical! narrations are between 3 and 9 minutes in length. most narrations are accompanied by a photo. open the earth has two modes: explore mode: made for touring by vehicle along the major roadways in utah. as you approach an included feature you will receive a notification that a narration is available and all you have to do is select ‘play narration’. since areas of utah are very remote, you have the option to download all the narrations and photos at home mode: lets you listen from any location. just select the pin and play the narration! we're sure you will discover something interesting just by listening. this is a great tool for planning trips. as a bonus, open the earth, has one narrated hike up rock canyon in provo. the narrations cover the geology along the first mile of the trail and has an elevation gain of around 550 feet. perfect for a quick evening hike up a beautiful canyon with family and friends. each geological feature has a brief written summary as well as a routing to take you to, or nearby, the feature. please visit www.opentheearth.com for sample audio tracks. all the narrations are by a real geology professor!
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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
Zustand
React Navigation
Formik
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.
