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
Fisheye lens camera
Transform your iPhone into a professional-grade ultra-wide camera with Fisheye Lens Camera.
$1.99 · In-app purchases
PRICE
$1.99
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 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 Fisheye lens camera: map the core Photo & Video 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
Incorporate advanced editing features like filters and adjustments
Assumption to check: Limited editing options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement cloud storage for user photos
Assumption to check: No cloud backup for photos
Validate with people who use this workflow before building.
Hypothesis 3
Add onboarding tutorials to help users understand features
Assumption to check: Lack of user tutorials
Validate with people who use this workflow before building.
Hypothesis 4
Optimize image processing for better performance
Assumption to check: Performance issues with high-resolution images
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
Transform your iPhone into a professional-grade ultra-wide camera with Fisheye Lens Camera. Experience the legendary visual style that defined a generation of action sports and urban photography. From the gritty skateparks of California to the towering skyscrapers of New York City, our app gives your photos and videos that iconic, immersive curve. BUILT FOR THE ACTION The fisheye lens is the soul of action sports. Our precisely calibrated distortion is perfect for: Skateboarding: Get low and close to the board for high-energy, dynamic lines. Snowboard & Ski: Capture the rider and the massive mountain landscape in a single, epic frame. BMX & Extreme Sports: Bring your viewers into the heart of the movement. ARCHITECTURE & CITYSCAPES Redefine the urban jungle. Turn every street corner into an artistic masterpiece: City Lifestyle: Give NYC-style depth and verticality to skyscrapers and crowded avenues. Creative Perspectives: Play with architectural lines to create unique, distorted shots that stand out on social media. Interior Spaces: Expand small rooms into grand, artistic perspectives. WHY CHOOSE FISHEYE LENS CAMERA? We believe in a premium, distraction-free creative process: One-Time purchase: Pay once, own it forever. No subscriptions, no hidden fees. No Advertisements: Focus on your art without annoying interruptions. Pro Quality: High-resolution processing ensures your shots stay crisp and professional. Instant Result: Zero lag. Open, aim, and capture the curve instantly. Gopro, Insta360, Dji, VX1000 style. Stop taking flat photos. Join the wide-angle culture and download Fisheye Lens Camera today!
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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
Expo
React Native
react-navigation
expo-camera
expo-image-picker
redux
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.
