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
Toupi - Hot Chat | Companion
Toupi is an AI-powered space for singing, creativity, and musical expression.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.7
626 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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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Toupi - Hot Chat | Companion: map the core Music 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
Toupi is an AI-powered space for singing, creativity, and musical expression. Whether you enjoy singing, capturing melodies, or turning emotions into lyrics, Toupi helps make creative expression feel easier, more natural, and more enjoyable. Sometimes inspiration starts with a voice. Sometimes it starts with a feeling. Toupi combines AI support with music creativity to help you explore ideas, enjoy singing moments, and express yourself freely. Main Features AI Singing Companion Share your singing or voice moments and enjoy AI-powered interaction designed to support musical expression and inspire creativity. AI Lyrics Generator Transform thoughts, moods, and ideas into original lyrics and discover new ways to create. Daily Inspiration Explore curated recommendations and discover fresh inspiration for singing, music, and creative expression. Creative Community Share your moments, discover inspiration, and enjoy interaction within a creative community environment. Comfortable Experience Toupi includes reporting, blocking, and account management features to support a positive and enjoyable experience. Toupi is designed to make music expression more creative, enjoyable, and inspiring through AI-powered experiences.
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
Add personalized recommendations based on user listening habits.
Assumption to check: Limited music discovery features
Validate with people who use this workflow before building.
Hypothesis 2
Implement offline downloads for playlists.
Assumption to check: Lack of offline playback
Validate with people who use this workflow before building.
Hypothesis 3
Enhance chat with emojis, reactions, and media sharing.
Assumption to check: Basic chat functionality
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize their profiles with themes and backgrounds.
Assumption to check: No customization options for profiles
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
Zustand
axios
@react-navigation/native
expo-av
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.
