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.
Welcome to Fly Delta, Delta’s award winning iOS app
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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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 Fly Delta: map the core Travel 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: Complicated check-in process can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited flight information updates.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app messaging can lack clarity.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: SkyMiles redemption options can be confusing.
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.
Welcome to Fly Delta, Delta’s award winning iOS app. With our dynamic Today screen which provides quick access to your boarding pass and other important day-of-travel information, Fly Delta makes travel easier than ever before. • Enroll in Delta's SkyMiles® program and earn miles every time you travel • Find, compare and book Domestic and International flights • Book SkyMiles award tickets • Purchase Delta Comfort+™ seats and Trip Extras, including in-flight Wi-Fi, Priority Boarding and more • Reserve Preferred Seats like bulkhead and aisle • Rebook cancelled flights or missed connections • Manage your trips, profile and customize your travel preferences • Check your SkyMiles account balance and current Medallion® status • Check in, view your boarding pass and add it to Apple Wallet • Pay for checked bags and track their location • Check the latest flight status and receive flight and gate change notifications • Save a photo to remember your parking spot • Check your status on the upgrade or standby list • View or change your seat • Locate Delta Sky Club® lounges • View interactive airport maps, public transportation details and weather information • Get detailed info about our fleet and partners • Map flights en route with an interactive flight tracker • “Today” gathers everything you need for your day of travel into one convenient place • “Notifications” ensures you always have the latest flight updates, gate changes and more • View countdown to departure and arrival along with gate and baggage carousel information on Apple Watch The Fly Delta app for iPhone and delta.com are always free to use on Delta’s Wi-Fi-enabled flights. Visit delta.com/app for more information. When downloading the Fly Delta app, you agree that your personal data will be processed in accordance with Delta’s Privacy Policy which can be accessed via the link below or on our website at delta.com.
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.