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.
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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.
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 Critique AI: Habit Tracker: map the core Lifestyle workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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: Limited customization options for habits
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: AI suggestions may not fit all users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription model can deter free users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Data visualization may not be clear
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Critique AI helps you get locked in and stay consistent. Build habits, track goals, log workouts, count calories, and reduce distractions in one place. Compete with friends, climb rankings, and keep your momentum going with daily feedback that pushes you forward. What you can do with Critique AI Habits and goals • Create daily habits and check them off • Build streaks and routines that actually stick • Track progress and stay accountable Calories and nutrition • Log meals fast • Track calories and macros • Scan food for quick entries Workouts and physique • Log workouts and see your progress • Track gym performance over time • Save routines and stay consistent • Log physique progress Focus and screen control • Block distracting apps • Use screen lock focus mode to stay on track • Build discipline with daily limits Friends and rankings • Invite friends • Compete in challenges • See rankings and stay motivated Coach and posture • Get feedback that keeps you moving • Use posture check to improve your daily habits A subscription is required to use Critique Al. Your subscription will be charged to your Apple account upon purchase and will automatically renew unless canceled at least 24 hours before the end of the current period. Manage your subscription anytime in your Apple Account Settings. Terms of Service: https://www.critiqueai.app/terms Privacy Policy: https://www.critiqueai.app/privacy
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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.