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
Dice Roller!
Perfect for everything from quick rolls to advanced setups, this dice roller is great for casual board games, immersive RPG sessions, and even viral trends and challenges where you let chance decide!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
9,076 ratings · Top 15%
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 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 Dice Roller!: 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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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
Allow users to create custom dice types with specific sides.
Assumption to check: Limited customization options for dice types
Validate with people who use this workflow before building.
Hypothesis 2
Implement filters and search functionality in the history.
Assumption to check: History does not allow for filtering or searching
Validate with people who use this workflow before building.
Hypothesis 3
Add sound effects to enhance user experience.
Assumption to check: No sound effects during rolling
Validate with people who use this workflow before building.
Hypothesis 4
Enable sharing results via social media or messaging.
Assumption to check: No sharing options for results
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
Perfect for everything from quick rolls to advanced setups, this dice roller is great for casual board games, immersive RPG sessions, and even viral trends and challenges where you let chance decide! From Monopoly and Risk to tabletop adventures or spontaneous decisions, the app delivers a smooth, satisfying experience with animations, sounds, and haptic feedback. Features: - Roll 1 - 40 dice at once - Choose standard dice (e.g. 1 - 6) or create fully custom ranges (0 - 100) - Create custom dice with text, emojis, or images - Save up to 10 custom setups for quick access anytime - Customize each die with a variety of colors - Display results as dots or numbers - Multiple animation styles and adjustable speeds (or turn them off completely) - Roll by tap, shake, or both - Lock individual dice to keep specific results between rolls - Immersive sound effects and haptic feedback - View the total of all dice after each roll - Clean, intuitive interface designed for ease of use
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
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expo-av
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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.
