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
PackageHelper
Tired of scanning "leftover" Amazon boxes no access?
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.0
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 included17 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 PackageHelper: map the core Productivity 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 robust testing and stability in your clone.
Assumption to check: Poor user ratings due to bugs and crashes
Validate with people who use this workflow before building.
Hypothesis 2
Implement push notifications and cloud sync for improved user experience.
Assumption to check: Lack of features (e.g., notifications, sync)
Validate with people who use this workflow before building.
Hypothesis 3
Design a more intuitive navigation flow with clear labels and icons.
Assumption to check: Difficult UI navigation
Validate with people who use this workflow before building.
Hypothesis 4
Expand carrier options and provide detailed tracking information.
Assumption to check: Limited carrier support
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
Tired of scanning "leftover" Amazon boxes no access? Need to focus your attention on avoiding animal interference? Don't want to worry about finding that white SPR full of pills when you're 150 boxes past its delivery point? Assigned a new route and can't find that one house with a 0.49 mile driveway? You're a mail carrier, not a movie superhero. That's why we made PackageHelper. Features: Smart Addressing: Load packages fast with intelligent autocomplete. GPS and Alerts: See your deliveries on an interactive map, and hear a noise when near a package destination. PackageHelper can even learn which houses are far from their mailboxes, which boxes have parcel lockers, and adjust the map to match. Navigation: Can't find an address? Tap the "Directions" button to open it in your favorite navigation app. Toolbox: Package tracking, USPS address search, quick weather overview, and more. It even has a tool for scanning deliveries when your MDD crashes! Route Notes: Record vacancies, NMRs, holds, etc. and get reminded when adding a package for one of those addresses. Dark Theme: Saves battery and your eyes. Activity Log: Keeps track of when and where you delivered items, just in case. Podcast Friendly: Independent volume control allows you to adjust package alert loudness without disrupting your listening. Works Offline: Your delivery list and map are usable without a stable Internet connection (great for rural and highway routes!) Open Source: 100% open source and licensed under the Mozilla Public License 2.0: https://source.netsyms.com/Netsyms/PackageHelper
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
Zustand
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React Native Elements
axios
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.
