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.
Facebook is great for keeping up with friends, watching videos, and staying connected
Free · In-app purchases
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 Forum, a Facebook app: map the core Social Networking 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: User experience can be overwhelming with too many notifications.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Moderation of posts is often inadequate leading to inappropriate content.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Discoverability of posts can be low with no algorithmic sorting.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing and poorly communicated.
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.
Facebook is great for keeping up with friends, watching videos, and staying connected. Forum is where you go deeper in groups. It's a space designed for real discussions, shared interests, and the people who’ve been there. Dedicated space for your groups Sign in with your Facebook account and your groups, profile and activity carry over. You have the option to post with a nickname. Your groups still exist on Facebook and anything you share on Forum will be visible in your groups on Facebook. This is just a space built around them. Stay in the loop on conversations you care about Your feed is built around conversations from groups. See what real people are saying, not just what’s trending, and easily jump back in where you left off. Ask and get answers from real people Looking for opinions, advice or recommendations? Ask pulls together responses from across groups, so you can get answers right away from people who've been there and join the conversation. Built for the people who run groups Admins still have access to all their tools on Facebook, and now they also have an admin AI assistant on Forum to help manage their groups, moderate content, and keep their communities healthy — all while maintaining control. Dive into topics that interest you Forum brings people together around the things they care about, from niche hobbies to local recommendations to support groups. Share your take, join the conversation and connect with your communities. Some features may not be available in your country or region.
Written user reviews are not shown here. Check current App Store reviews >
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.