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
Nara - Trading Journal
Trade with data, not emotion
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
1 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 included14 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 Nara - Trading 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
Offer advanced analytics with detailed breakdowns and insights.
Assumption to check: Limited analytics features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement cloud storage for user data backup and retrieval.
Assumption to check: No cloud backup for data
Validate with people who use this workflow before building.
Hypothesis 3
Create a more polished and cohesive user interface throughout the app.
Assumption to check: Inconsistent user interface design
Validate with people who use this workflow before building.
Hypothesis 4
Add social features for users to connect and share their trading experiences.
Assumption to check: Lack of community features for sharing trades
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
Trade with data, not emotion Most traders think they are disciplined, until they see their data. Nara is a fast and simple trading journal that helps you log trades, track performance, and understand your behavior. Stop guessing. Start improving. Log trades in seconds No friction. No complicated forms. Quickly record: - Win or loss - Strategy (breakout, pullback, reversal) - Emotion (calm, FOMO, revenge) - Profit and loss (P&L) Built for speed so you never skip journaling. Track your trading performance See what actually works. - Overall win rate - Win rate per strategy - Trade history with filters - Performance over time Turn your trading data into clear insights. Identify patterns and mistakes Your losses are not random. Nara helps you spot: - Revenge trading - Overtrading - Emotional decisions - Weak strategies Understand your behavior and fix it. Review every trade Go beyond results. - Detailed trade history - Strategy and emotion tracking - Clean and simple interface - Fast filtering and review Better decisions come from better awareness. Simple. Clean. Focused. No clutter. No noise. Just what matters. Private and offline ready - Works offline - No internet required - Your data stays on your device Log trades anytime. Built for traders who want to improve Whether you are: - A beginner - A swing trader - A day trader Nara helps you build discipline. Journal. Reflect. Grow.
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
Supabase
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React Navigation
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.
