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
VoiceBudget
Track your spending by voice — no typing needed.
$0.99
PRICE
$0.99
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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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 included
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 VoiceBudget: 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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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 voice command features for adding expenses.
Assumption to check: Users find manual entry tedious.
Validate with people who use this workflow before building.
Hypothesis 2
Provide detailed visual reports and analytics.
Assumption to check: Difficulty in analyzing spending trends.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to create and edit their own categories.
Assumption to check: Limited customization options for categories.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a guided onboarding process for new users.
Assumption to check: Poor user onboarding experience.
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
Track your spending by voice — no typing needed. Just tap the mic, say something like "Lunch 12 bucks, and Voice Budget instantly logs it. The app recognizes amounts, categories, and dates from natural speech in 12 languages. How it works: Tap the microphone Say your expense (e.g. "Coffee 5 dollars") Confirm and save — done in seconds Features: • Voice-first expense tracking — hands-free, fast, effortless • Smart parsing with on-device AI (Apple Intelligence) and rule-based fallback • Auto-categorizes into 8 categories: Food, Transport, Entertainment, and more • Visual spending insights with interactive charts • 12 speech languages including English, Japanese, Korean, Chinese, and more • 11 color themes (1 free + 10 premium) • Custom currency support (USD, JPY, EUR, GBP, KRW, and more) • AI Financial Advisor powered by Studio Uchu AI (optional subscription) • English and Japanese UI • Works on iPhone, iPad, and Mac • All data stays on your device — private by design AI Financial Advisor (optional): Get personalized spending advice from AI. Analyze your weekly, monthly, or yearly habits and receive actionable tips. Powered by Studio Uchu AI — one subscription works across all Studio Uchu apps. No ads. No account required for core features. Your budget, your voice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://studiouchu.com/voicebudget-app/privacy/
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
react-navigation
victory-native
@react-native-voice/voice
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
