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
MyRigs - Deep Sea Fishing Rigs
One of the Biggest Rig Collection for Sea Fishing!
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.3
3 ratings · Below Average
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 MyRigs - Deep Sea Fishing Rigs: map the core Sports 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
Allow users to upload custom rig images and descriptions.
Assumption to check: Limited rig customization options
Validate with people who use this workflow before building.
Hypothesis 2
Implement a clearer structure with distinct tabs and back navigation.
Assumption to check: Confusing navigation between screens
Validate with people who use this workflow before building.
Hypothesis 3
Introduce user profiles and social sharing of rigs.
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 4
Provide transparent information about what premium features include.
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
One of the Biggest Rig Collection for Sea Fishing! Choosing the right fishing rig is one of the most important keys for successful fishing. This app is a must-have for every passionate angler. MyRigs Sea Fishing Rigs is one of the most comprehensive reference books for sea fishing rigs and techniques. The detailed pictures and descriptions make it easy for you to rebuild these great fishing rigs. More than 140 rigs in the categories: - Surf fishing - Spin fishing from the shore - Light to medium natural bait fishing - Heavy natural bait fishing - Light to medium lure fishing - Heavy lure fishing - Float fishing - Tips and tricks The app includes: - Over 140 of the best rigs for sea fishing - 7 different categories - Simple and comprehensible description - Many useful tips and tricks for sea fishing - Large and clear description images - Can be used without internet connection - Retina support for iPhone and iPad
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 Query
Firebase
BUILD KIT DIFFICULTY
Starter
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.
