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
Slipwise
Slipwise is the private, fast way to capture and organize paper receipts and documents
$4.99 · In-app purchases
PRICE
$4.99
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's included16 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 Slipwise: 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
Focus on user feedback and iterative improvements.
Assumption to check: Lack of user reviews indicates potential issues with user satisfaction.
Validate with people who use this workflow before building.
Hypothesis 2
Implement automatic categorization based on transaction data.
Assumption to check: Many finance apps lack intuitive categorization for transactions.
Validate with people who use this workflow before building.
Hypothesis 3
Provide simple, visual budget tracking with progress indicators.
Assumption to check: Users often find budget tracking cumbersome and complex.
Validate with people who use this workflow before building.
Hypothesis 4
Offer clear explanations of subscription tiers and benefits.
Assumption to check: In-app purchase structures can be confusing.
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
Slipwise is the private, fast way to capture and organize paper receipts and documents. Everything happens on your device — no accounts, no ads, no tracking, and no cloud upload unless you choose it. KEY FEATURES • Instant scan — Point your camera and Slipwise grabs the receipt with automatic edge detection and perspective correction. • On-device OCR — Text recognition runs entirely on your iPhone. Vendor, date, and total are extracted locally and never sent to a server. • Smart organization — Auto-tag receipts by vendor, date, or custom category. Powerful search finds any receipt in seconds. • Multiple formats — Import existing photos (JPEG/PNG) or save as PDF for clean archival. • PDF export — Export a single receipt or merge multiple receipts into one PDF with just the image content — no metadata, no headers, no clutter. • Encrypted cloud backup — Optional AES-256-GCM encrypted backup to your personal iCloud Drive, Google Drive, or Dropbox. Your passphrase never leaves your device and Slipwise never sees plaintext data. • Full-resolution originals — Original images are preserved at full quality, never downscaled for storage. • Quick edit — Rename, re-categorize, or adjust extracted fields with a single tap. • Face ID protection — Optionally lock the app behind Face ID or Touch ID. • Light & dark themes — Comfortable viewing in any lighting. BUILT FOR PRIVACY Slipwise does not collect, share, or transmit any of your data. All OCR, categorization, and search run locally on your iPhone. Cloud backup is 100% opt-in, encrypted end-to-end, and stored in your own iCloud Drive / Google Drive / Dropbox account. There are no third-party analytics, no advertising SDKs, and no trackers. PERFECT FOR • Freelancers and contractors tracking tax-deductible expenses • Small business owners keeping receipts organized for bookkeeping • Travelers who need to reimburse business trips • Anyone tired of shoeboxes full of faded thermal paper No subscriptions. No hidden fees. One price, yours forever. Got feedback? Email [email protected] — we read every message.
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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
React Native
Expo
Axios
React Navigation
React Hook Form
React Native Paper
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.
