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.
See where your money really goes -- without compromising your privacy.
$1.99
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
Your first Build Kit is free with a verified email.
Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for SpendingLens - Expense Tracker: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
See where your money really goes -- without compromising your privacy. SpendingLens turns your PDF bank and card statements into clear, actionable financial insights. With on-device parsing, OCR, and interactive charts, SpendingLens lets you analyze spending habits, track categories, and review multi-year trends without uploading financial records to third-party servers. No accounts to create. No bank passwords to link. No subscriptions. Just private financial clarity right on your iPhone and iPad. ---------------------------------------- WHY SPENDINGLENS? ---------------------------------------- Most finance apps require linking bank accounts or uploading statements to remote servers, exposing sensitive transaction history to third-party aggregators and advertisers. SpendingLens takes the opposite approach. Built specifically for Apple platforms, all document processing, OCR scanning, transaction extraction, and analytics happen 100% locally on your device using native Apple frameworks. Your financial data remains entirely yours. ---------------------------------------- KEY HIGHLIGHTS ---------------------------------------- 100% PRIVATE & ON-DEVICE - Zero tracking: No ads, no third-party analytics SDKs, and no cloud servers. - No bank logins: Works directly with the PDF statements you already have. - Local storage: All transactions and rules are stored securely on-device with SwiftData. SMART STATEMENT IMPORT - Digital & Scanned PDFs: PDFKit extracts text from digital statements; Vision OCR reads scanned copies. - Batch Import: Process multiple statements at once from Files or iCloud Drive. - Smart Dates: Handles statements spanning year boundaries (e.g., Dec to Jan). - Duplicate Protection: Skips duplicate files while preserving legitimate recurring purchases. INTERACTIVE CHARTS & OVERVIEW - Clean Dashboard: Inspect total spending, income/credits, and net period flow. - Instant Filtering: Filter by Year, Month, and Category right from the overview bar. - Monthly Charts: Tap any month to isolate transactions or tap again to view full-year trends. - Category Breakdowns: Interactive charts highlight top spending areas with percentages and totals. CATEGORIZATION & RULES - Auto-Recognition: Automatically assigns common merchants into intuitive categories. - Custom Rules: Define keyword rules to categorize specific merchants your way. - Review Flags: Easily flag and filter ambiguous transactions for quick verification. MANUAL & RECURRING EXPENSES - One-Time Purchases: Log cash payments or off-statement expenses with date and notes. - Multi-Month Plans: Plan recurring expenses (2 to 120 months) for rent, loans, or subscriptions with clear totals. - Full Control: Edit or adjust any individual transaction whenever needed. MULTI-YEAR & TREND REPORTS - Long-Term Perspective: Compare spending across multiple years to see your progress. - Category Trends: Track specific categories over time to spot seasonal patterns. SEARCH & BATCH EDITING - Fast Search: Find transactions by merchant name, amount, or notes. - Sorting: Sort by newest, oldest, amount, or merchant name. - Batch Organization: Bulk-edit transaction categories or years in just a few taps. DATA OWNERSHIP & BACKUPS - JSON Backup & Restore: Export full backups to Files or iCloud Drive. - CSV Export: Share or export transaction data anytime. - Complete Erasure: Delete all data completely at any time in Settings. ---------------------------------------- PERFECT FOR ---------------------------------------- - Privacy-conscious users who refuse to share banking logins with third parties. - Anyone who receives PDF bank, credit union, or credit card statements. - Budgeters and planners who want clear visual summaries without complex setup. - Freelancers and households tracking multi-year expenses and payment commitments. Take control of your personal finances with complete peace of mind. Download SpendingLens today and see your money through a clearer, private lens!
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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
Assumption to check: Users often find it difficult to categorize transactions accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Manual entry of transactions is tedious and prone to errors.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Budget tracking can be confusing and lacks visual clarity.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Users want better insights into spending patterns over time.
Validate with people who use this workflow before building.
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
Not assessed in a Build Kit yet.
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.