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.
Muse is your personal AI agent that gets things done, always working on what matters to you
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Evidence scope: #3 is the current overall US Free chart position. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Muse from Meta: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Muse is your personal AI agent that gets things done, always working on what matters to you. It manages email, books dinners, tracks budgets, and finds deals, with your approval. PERSONAL PRODUCTIVITY Muse takes the busywork off your plate. It manages scheduling conflicts, books reservations, sets reminders, and follows up with people, so birthdays, plans, and deadlines don't slip. Stay on top of your calendar, email, and daily tasks without carrying it all in your head. SHOPPING & DEALS Muse compares prices, tracks price drops, and alerts you the moment something you want goes on sale. AI-powered shopping that can actually buy on your behalf, with your OK. CONNECT YOUR APPS You decide what Muse can access. Link your email, calendar, Instagram, Facebook, health and fitness data, and finances. Approve actions before they happen. Muse gets smarter with every connection. GROW YOUR SMALL BUSINESS Give Muse a goal, like finding new customers or growing sales, and it gets it done. Connect your Instagram Business Account, Facebook Pages, and Meta ad accounts in a few clicks, and Muse understands your business: what you sell, what your brand sounds like, and what customers keep asking about. SAVE MONEY Muse helps you understand where your money is going. It tracks expenses, audits subscriptions, flags charges you forgot about, cancels what you don't need, and helps you hit a savings goal, checking with you before it cancels or spends. Get financial insights without the spreadsheet. HEALTH & FITNESS Muse is your AI fitness coach. It builds a custom workout or meal plan from data you choose to share, tracks calories and nutrition, monitors sleep and wellness, and adjusts your training day by day. Whether it's running, eating better, or building a habit, Muse coaches you through it. SHARE A TASK, START TO FINISH Hand Muse a whole job and it sees it through: the research, the comparisons, the back-and-forth, the bookings. Sell your car for more, negotiate a bill down, or plan and book a whole trip. A better result than you'd have managed alone. ALWAYS WORKING FOR YOU Muse keeps things moving after you close the app. It monitors, follows up, and sends a notification when something needs your attention, so nothing falls through the cracks. IN YOUR CONTROL Approve actions before they happen. Muse keeps a full activity log, and lets you revoke any connector anytime. UNIQUELY YOURS Name it, shape how it talks, and make it your own. SMART, BUT STILL LEARNING Muse may be inaccurate or take unexpected actions, so check in to keep it on track and intervene as needed.
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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
Assumption to check: Users often find it difficult to organize and retrieve thoughts quickly
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited options for visual customization
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No reminders or notifications for thoughts
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficulties in collaboration with others on thoughts
Validate with people who use this workflow before building.
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.