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
Fish AI - AI Fishing App
HOW TO USE FISH AI:
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
27,002 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.
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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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 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 Fish AI - AI Fishing App: 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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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
HOW TO USE FISH AI: 1) Answer fishing questions to customize predictions specifically for you. 2) Get daily personalized fishing spot suggestions up to 10 days in advance. 3) Consult the AI-powered Fish Coach anytime for expert fishing tips, strategies, and advice. 4) Log and rank your catches to track your progress. Fish AI isn't another complicated fishing app depending on manual data from other anglers. Instead, we leverage science-based insights, professional expertise, and proven fish behavior to deliver precise, reliable predictions. Our mission is to empower every angler, helping you catch more fish and enjoy every moment on the water. Patience and the right tools are essential—Fish AI equips you with the critical information to enhance your fishing success! If you have any ideas or questions, please email us at [email protected] NOTE: We do not condone illegal or unauthorized fishing activities. Any and all recommendations should be viewed as purely informational, please consult with local authorities and do your own research before fishing at the water. *PREDICTION RESULTS REQUIRE A SUBSCRIPTION. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Integrate user-generated content for crowdsourced fishing spots.
Assumption to check: Limited fishing spot data compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Provide clear explanations of subscription benefits upfront.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Enhance navigation with better visual cues and dedicated tabs.
Assumption to check: Difficulty in navigating between tips and spots
Validate with people who use this workflow before building.
Hypothesis 4
Implement personalized recommendations based on user behavior.
Assumption to check: Occasional AI recommendations feel generic
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
Zustand
react-navigation
axios
react-native-maps
BUILD KIT DIFFICULTY
Advanced
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.
