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
Case Tracker for USCIS & NVC
The ultimate app for tracking USCIS and NVC immigration cases for U.S.A visa and citizenship
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
319,329 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 included17 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 Case Tracker for USCIS & NVC: map the core Utilities 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
The ultimate app for tracking USCIS and NVC immigration cases for U.S.A visa and citizenship. Quick access to Visa Bulletins, the latest immigration news, push notifications keep you up to date and Civics Quiz to help you prepare for the USCIS Citizenship Civics Interview. ** Trusted by over 2 million users ** Features include: • Tracking for all valid USCIS case receipts, including EAC, IOE, LIN, MCT, MGL, MSC, NBC*, SRC, WAC, YSC, ZAR, ZCH, ZHN etc. • Tracking of Immigrant and Nonimmigrant Visa NVC cases • Civics Quiz to help you prepare for your Citizenship interview • Automated alerts: Background updates with notifications if one of your cases receives a status change & when a new Visa Bulletin has been released • Search a range of cases and get their status • Read the latest immigration news • See the latest Visa Bulletin and NVC timeframes Disclaimer: Case Tracker for USCIS does not represent or is not affiliated with, any U.S. government entity. We also do not offer any legal advice since Case Tracker for USCIS is not a law firm. Case Tracker for USCIS provides real-time case status information, which is publicly available on https://egov.uscis.gov/casestatus/landing.do and https://ceac.state.gov/ceac/. As such we do not claim the accuracy of information and this information can not be used in any legal case. All case information displayed in the app is done so in compliance with the USCIS website policies (https://www.uscis.gov/website-policies), which state: "Information presented on this WWW site is considered public information and may be distributed or copied." Terms of use & Privacy policy: https://usciscasetracker.com/privacy-terms-and-conditions.html
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 QR code scanning for easy input.
Assumption to check: Users need to manually enter case numbers
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to set custom notification schedules.
Assumption to check: Limited customization options for notifications
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a grouping feature for related cases.
Assumption to check: No way to track multiple cases easily
Validate with people who use this workflow before building.
Hypothesis 4
Provide more detailed timelines and updates for each case.
Assumption to check: Lack of detailed case history
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
react-native-paper
react-native-async-storage
react-native-share
expo-router
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.
