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.
Make your players feel like the big leagues with Gametime Announcer
$4.99
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.
Your first Build Kit is free with a verified email.
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 Gametime Announcer Travel Team: map the core Sports 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: Poor user experience with navigation and event management.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited feature set compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Low app rating indicates user dissatisfaction.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No in-app purchases or subscription options.
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.
Make your players feel like the big leagues with Gametime Announcer. With Walkup songs*, specialty songs and player announcements, everyone will know who is stepping up to the plate. This version of the app is perfect for summer teams or travel teams because it only announces one team's lineup (see the Ballpark version to announce both teams). All aspects of the game can be announced including the starting lineup, pinch hitters, courtesy or pinch runners, the score and the upcoming batters in the next inning. The app protects from inadvertent or accidental sounds from occurring during play requiring two actions for each sound to play. General announcements can be typed in and instantly announced to the audience. Announcements can be saved to be used each game or new messages entered on-the-fly. Six types of specialty songs can be queued for special music to be played for homers, hit-by-pitch, mound visits, walks, special effects and pump-up or rally moments. With our built-in song editor, you can select any portion of the song* to be used as the walkup song. The song editor can also be used to shorten the intro and/or outro of songs in the playlist. You only have a couple minutes between innings, so our software lets you get to the part of the song you want to enjoy. The software allows for lineups with any number of batters and has designations for designated hitter, extra hitter and extra outfielder. *all songs used in app, for walkups, specialty and playlists, must be owned or purchased through iTunes.
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.
Not assessed in a Build Kit yet.
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.