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
TraderSync
TraderSync a trade journal and portfolio tracker for active traders looking to find an edge or to keep track of their performance
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 2.7
84 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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 TraderSync: 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
Offer detailed analytics and custom reports.
Assumption to check: Limited analytics features for advanced users
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the UI and improve navigation.
Assumption to check: User interface is cluttered and not user-friendly
Validate with people who use this workflow before building.
Hypothesis 3
Optimize data handling and loading performance.
Assumption to check: Slow performance during heavy data loads
Validate with people who use this workflow before building.
Hypothesis 4
Implement thorough testing and user feedback mechanisms.
Assumption to check: High number of bugs and crashes reported
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
TraderSync a trade journal and portfolio tracker for active traders looking to find an edge or to keep track of their performance. Ideal for Stock, Cryptocurrency, Forex, Options, and Futures traders. Review Your Performance Easy to digest reports to review your performance from numerous angles that will help you understand what to focus on. View Your Trades Review everything about your trades, from tracking executions, price actions, P/L, Setups, Notes and more. Record Your Trades Log your trades with ease in a few seconds using the app or the web interface. Overall Reports Features • Account Accumulative Performance • Account Daily P/L • Account Trade Management Reporting Features • Setup Report • Mistake Report • Market Report • Volume Report • Share Report • Price Report • Month Report • Weekly Report Trade Tracking Features • Enter executions and track trades • Enter setups, mistakes, notes, and screenshots Read Our Terms and Condition https://tradersync.com/terms-and-conditions/
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
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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.
