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
Prodigy — AI Chat Assistant
Prodigy is a native iOS chat client for OpenAI* and Anthropic*, with an optional on-device mode on supported iPhones running iOS 26
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
26 ratings · Top 30%
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/
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 Prodigy — AI Chat Assistant: map the core Productivity 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
Provide advanced AI responses and better task management.
Assumption to check: Limited features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement a cleaner UI with better spacing.
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Optimize the chat component for faster loading.
Assumption to check: Performance issues with large chat history
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
Prodigy is a native iOS chat client for OpenAI* and Anthropic*, with an optional on-device mode on supported iPhones running iOS 26. Bring your own API key and talk to GPT, Claude, or run locally with no key at all — from a clean, focused interface. All conversations live on your device. There are no accounts, no analytics, no servers. The app talks directly to whichever provider you choose. Features • Multiple providers — OpenAI, Anthropic, and an on-device mode on iOS 26 devices that support it. • Live model picker — fetched fresh from each provider's catalogue, searchable, always up to date. • Streaming replies with stop, regenerate, and edit-and-resend. • Local chat history — searchable, grouped by date, with rename, delete, and one-tap compact for long conversations. • Image attachments for vision-capable models — Photo Library and Camera. • Markdown rendering with syntax-highlighted code blocks. • Built-in personas — Friendly Scientist, Software Engineer, Life Coach, Comedian, and more. Or write your own. • Designed for iOS 26 with Liquid Glass, dark mode, and Dynamic Type support. Privacy API keys are stored in the iOS Keychain. Chat history lives on your device. No analytics, no servers, no tracking. Requirements An API key from your chosen provider. On-device mode requires iOS 26 and an eligible device. *Not affiliated with OpenAI or Anthropic. Use according to each provider's terms.
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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
Firebase
Axios
Redux
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.
