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
Marketplace Alerts
BE FIRST TO THE DEAL
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
5 ratings · Top 5%
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 included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 Marketplace Alerts: 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 bulk edit/delete functionality for alerts.
Assumption to check: Difficulty in managing multiple alerts efficiently.
Validate with people who use this workflow before building.
Hypothesis 2
Expand to include more marketplaces for alerts.
Assumption to check: Limited marketplace options.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize notification preferences.
Assumption to check: Lack of customization for notification settings.
Validate with people who use this workflow before building.
Hypothesis 4
Add user profiles and account settings for better user control.
Assumption to check: No user account management features.
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
BE FIRST TO THE DEAL. STOP REFRESHING. The best deals are gone in minutes. If you are not the first to message the seller, you have already lost. Marketplace Alerts is the elite sourcing tool designed for professional resellers who need real-time speed and data-backed confidence. WHY MARKETPLACE ALERTS? We do not just send links; we provide the data you need to dominate. Our platform scans for your next flip, calculates potential margins, and notifies you the second a deal goes live. FEATURES FOR PROFESSIONAL RESELLERS: - LIGHTNING-FAST INSTANT ALERTS Get notified of new listings the moment they are posted. Beat the slow native notifications and grab profitable flips before anyone else. - PROFESSIONAL CURATED SEARCH LISTS New to a niche? Subscribe to pre-built search collections maintained by experienced resellers, such as "Freight Buy Lists" or "Premium Buy Lists." - MULTI-LOCATION ACCOUNT SWITCHING Manage accounts for different cities or regions. Switch between locations like Omaha or Phoenix to search multiple areas from one interface. - PRICE DROP AND STATUS TRACKING Monitor your Watch List with precision. Get notified when tracked items drop in price or sell so you can act fast on motivated sellers. - SMART SEARCH MANAGEMENT Organize dozens of custom searches with "must-include" keywords and specific brand targets like DJI, Breville, or Herman Miller. DOMINATE YOUR LOCAL MARKET Whether you flip electronics, espresso machines, or designer furniture, Marketplace Alerts gives you the unfair advantage. We have replaced the guesswork with a professional-grade dashboard built for speed. HOW IT WORKS: 1. Create custom searches or follow curated lists. 2. Get alerted on new items 3. Track price drops for the perfect entry point. 4. Message the seller first and grow your business. Download Marketplace Alerts today and turn your phone into a professional sourcing powerhouse. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Axios
Redux
React Navigation
Firebase
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.
