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
My Option Journal
My Option Journal is the ultimate app for options traders who want a clean, organized, and reliable place to track every trade.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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 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/
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 My Option Journal: map the core Finance 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
Add advanced analytics and insights.
Assumption to check: Limited trade analysis features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Enable direct linking to broker accounts for real-time updates.
Assumption to check: No integration with brokerage accounts
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate social sharing and trade discussions.
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 4
Implement notifications for regular trades and market alerts.
Assumption to check: No recurring trade reminders
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
My Option Journal is the ultimate app for options traders who want a clean, organized, and reliable place to track every trade. Log all strategies including covered calls, cash-secured puts, spreads, iron condors, call/put purchases, and more. Analyze your progress with the brand-new Stats tab, designed to help you visualize performance and make smarter trading decisions. Your data stays safe and always available thanks to iCloud sync, allowing you to access your journal across iPhone and iPad seamlessly. Key Features • Record unlimited options trades with ease • Track collected premiums and realized profits • NEW: Stats tab with charts to analyze your performance • NEW: iCloud sync across your devices • Support for call/put purchases and advanced strategies • Track your stock holdings and average cost • Clean, intuitive design made for traders • Secure data storage with iCloud Whether you’re a beginner or an experienced options trader, My Option Journal helps you stay organized, disciplined, and in control of your trading journey.
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
Victory Native
Zustand
React Native Paper
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.
