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
Blazor Mastery
Blazor Mastery is the fastest way to level up your Blazor skills — one card at a time.
$1.99
PRICE
$1.99
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included14 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 Blazor Mastery: map the core Developer Tools 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
Enhance quizzes with instant feedback and analytics.
Assumption to check: Limited interactive features for quizzes.
Validate with people who use this workflow before building.
Hypothesis 2
Add discussion forums or comments on lessons.
Assumption to check: Lack of community engagement.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize learning paths based on their goals.
Assumption to check: Inflexible lesson structure.
Validate with people who use this workflow before building.
Hypothesis 4
Implement a progress tracker with visualizations.
Assumption to check: No tracking of learning progress.
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
Blazor Mastery is the fastest way to level up your Blazor skills — one card at a time. Whether you're just starting out or pushing toward Senior, the app guides you through real-world Blazor concepts with a clean, swipeable card deck designed for developers on the go. LEARN BY DOING Swipe through carefully crafted flashcards covering components, data binding, lifecycle methods, routing, dependency injection, JS interop, authentication, performance, and more. THREE TIERS. ONE PATH. • Junior — core syntax, component basics, Razor syntax • Mid — state management, forms, API calls, reusability • Senior — advanced patterns, Blazor WebAssembly, optimization BUILT FOR DEVELOPERS • Glossary of essential Blazor and .NET terms • Progress tracking across all tiers • Quiz mode to test your knowledge • Offline-ready — learn anywhere, no internet needed No fluff. No filler. Just focused Blazor knowledge that sticks.
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
Supabase
Zustand
React Navigation
TypeScript
BUILD KIT DIFFICULTY
Starter
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.
