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.
**Circle Location Sharing - Makes it easier to stay connected with family and friends**
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 Family Tracker - GPS Locator: map the core Utilities 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: Users often experience location inaccuracies.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Notifications can be overwhelming.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Adding family members can be cumbersome.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Privacy concerns with location sharing.
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.
**Circle Location Sharing - Makes it easier to stay connected with family and friends** Circle Location Sharing is a real-time location sharing app designed for family and friends, helping you stay closer to your loved ones in your daily life. Whether it's a family outing, a gathering with friends, or a group event, this app allows you to easily track each other's location to ensure everyone's safety and convenience. **Core features:** - **Real-time location sharing:** One-click to turn on location sharing and view the real-time location of your family or friends at any time. - **Privacy protection:** You can customize the sharing range and duration to ensure that the location is shared during the time period you choose. - **Family and Friends Circle:** Add family and friends to "Circles" and easily manage sharing settings with different groups. - **Notification reminders:** When family or friends arrive or leave a specified location, you will receive instant notifications. - **Offline maps:** Even without a network, you can view previous sharing records and location information. **Why choose Circle? ** - **Easy to use:** The interface is simple and intuitive, and you can get started quickly without complicated settings. - **Safe and reliable:** We are committed to protecting your privacy, and all data is transmitted through encryption to ensure security. - **Flexible sharing:** Whether you are in the city or outdoors, Circle allows you to keep track of your family and friends at all times. Make location sharing easier and give each other more peace of mind. Download Circle Location Sharing now to stay closer to your family and friends! -Payment will be charged to iTunes Account at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. User Notice: https://rectrans.xyz/map/terms.html Privacy Policy: https://rectrans.xyz/map/privacy.html
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.