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
Parcelee - Package Tracker App
Parcelee is the best package and order tracker app for online shoppers.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.1
238 ratings · Top 30%
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 Parcelee - Package Tracker App: map the core Shopping 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
Implement real-time tracking updates with push notifications.
Assumption to check: Users often find tracking information delayed or inaccurate.
Validate with people who use this workflow before building.
Hypothesis 2
Expand carrier partnerships for broader coverage.
Assumption to check: Limited integration with carriers.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify onboarding and improve the layout for clarity.
Assumption to check: User interface can be confusing for new users.
Validate with people who use this workflow before building.
Hypothesis 4
Clearly highlight benefits of premium features and provide a free trial.
Assumption to check: In-app purchases can be unclear in terms of value.
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
Parcelee is the best package and order tracker app for online shoppers. Parcelee - Package Tracker app allows you to promptly access tracking information for over 600 delivery services, including UPS, FedEx, DHL, USPS, TNT, LaserShip, Aramex, OnTrac, China Post, SingPost and many other postal services. Full list of supported carriers is available at in app. You can easy and simple locate your delivery on the map or manage your deliveries. All the most current information on your domestic and international packages and parcels is available. Tracking data is collected on our servers, so you will get it right to your device with a tap of a button. With the unique carrier automatic recognition function, adding a new delivery is just a matter of seconds. The Parcelee app offers the following features: • Fast and efficient shipment tracking by the parcel’s unique identifier • A unique system of international shipping tracking numbers’ identification for various countries and transit carriers(tracking more than 600+ delivery services) • Auto-detect courier • An opportunity to save several tracking numbers and receive updates on each of the shipment’s statuses in a real-time mode • Easy copy/paste tracking number • No ads This reliable parcel tracker provides a unique opportunity for users to perform international package tracking for multiple shipments even when they are still overseas. If your shipment was handled by one postal carrier at first and was later transferred to another carrier, the Parcelle Tracker will easily locate the shipment to inform you about its status and location. The only information you need for efficient and precise international tracking is the individual tracking number of your shipment. As soon as you find the track order number from your merchant and save it in the Parcelle Tracker, you’ll be receiving timely updates on the shipment’s status as it’s heading to your doorstep. Package tracking has never been so hassle-free and convenient as it becomes with Parcelee tracker. You can now conduct all carrier tracking operations from one app. Terms of Use: http://parcelee.mobi/terms.html Privacy policy: http://parcelee.mobi/privacy.html
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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
Supabase
React Navigation
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.
