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
Parcel Ledger Office Log2026
Parcel Ledger is a local parcel receiving and shipping log for offices, shops, studios, and small teams
$0.29
PRICE
$0.29
No 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 Parcel Ledger Office Log2026: map the core Business workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Parcel Ledger is a local parcel receiving and shipping log for offices, shops, studios, and small teams. It helps reception, admin, purchasing, and operations staff record daily outgoing parcels, arrivals, handoffs, shipping costs, reimbursements, and parcel exceptions. The app requires no login, does not use the network, and does not collect user data. Records, photo notes, and summaries are stored only on the device, making it suitable for low-maintenance internal ledgers that need to stay usable over time. Key features: 1. Incoming and outgoing records: save carrier, tracking number, sender, recipient, department, item summary, arrival time, and notes. 2. Handoff management: track pending pickup, signed, returned, and exception statuses with receiver, signing time, and handoff notes. 3. Shipping cost summaries: summarize parcel count and shipping fees by department, person, or carrier for reimbursement checks. 4. Exception ledger: mark damaged, refused, misdelivered, overdue, or other abnormal parcels and keep processing results. 5. Local search and filters: quickly find history by tracking number, name, department, date, or status. 6. Offline export: create local PDF/CSV ledgers for archiving, printing, or handover.
Written user reviews are not shown here. Check current App Store reviews >
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
Implement advanced search and filtering options.
Assumption to check: Users find it difficult to manage multiple parcels efficiently.
Validate with people who use this workflow before building.
Hypothesis 2
Add push notifications for tracking updates.
Assumption to check: Lack of notifications for parcel status updates.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to add custom fields for parcel details.
Assumption to check: Limited customization for parcel entries.
Validate with people who use this workflow before building.
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
Zustand
React Navigation
@react-native-async-storage/async-storage
TypeScript
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.
