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
Drill Wizard
Drill Wizard is a pay and retirement calculator built for the Guard and Reserve — the only one that keeps your three calendars straight at once: points and good years by anniversary year, money and taxes by calendar y...
$4.99
PRICE
$4.99
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 Drill Wizard: map the core Finance 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
Drill Wizard is a pay and retirement calculator built for the Guard and Reserve — the only one that keeps your three calendars straight at once: points and good years by anniversary year, money and taxes by calendar year, the VA waiver by fiscal year. It prices a drill period the way DFAS does — basic pay ÷ 30, FICA and TSP on basic pay only, the BRS match — and prices your orders line by line: BAH, BAS, per diem, quarters, CZTE. Photograph your LES and it reads what was paid and checks it against your plan. Forward your muster email and it answers your check-in. It projects your points, your good year, your retired pay and your TSP at pay start, and forecasts the VA Form 21-8951 before it mails. Every rate comes from its publisher — DFAS, DTMO, GSA, VA, TSP — and refreshes daily. Everything stays on your phone: no account, no server, no telemetry. Built by a Reservist, for Reservists.
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
Simplify budgeting with clear guidelines and templates.
Assumption to check: Users struggle with complex budgeting features.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce charts and graphs for better insights.
Assumption to check: Lack of visual analytics for spending.
Validate with people who use this workflow before building.
Hypothesis 3
Implement bank account linking for automatic transaction imports.
Assumption to check: Manual transaction entry is tedious.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize app performance for a wider range of devices.
Assumption to check: Inconsistent performance on older devices.
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
Supabase
zustand
react-native-reanimated
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.
