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.
App Overview
RaceTac Committee
Features:
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
2 ratings · Below Average
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for RaceTac Committee: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Add more functionalities like notifications and analytics.
Assumption to check: Limited features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Focus on UI improvements and user feedback.
Assumption to check: Poor user experience based on ratings
Validate with people who use this workflow before building.
Hypothesis 3
Implement sharing options for events and achievements.
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Offer a more competitive pricing model or free trial.
Assumption to check: High price point for basic features
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Features: Supports the full 'Rule 26' and Match Racing 'Rule C3' start sequence and scoring from the Racing Rules of Sailing (RRS) Supports Finish Time logging and Race Scoring for Time-on-Distance PHRF races as well as Time-on-Time systems (SCHRS, IRC, and Portsmouth Yardstick). Start Sequence Timer: - Displays countdown and instructions for the next Committee action. - Sound or Voice alerts and countdowns to major events using either Tones or Voice Announcements. Keeps your hands free to sound signals, change flags, etc... (See iOS settings under 'RaceTac Committee') - Includes pre-warning alert option (Alert signal one minute before first division warning). - Includes optional gap time between divisions, or zero for 'rolling starts'. - Rule 30 prep flag support. (I, Z, U, Black Flag, Z with I, or standard Papa) - Allows multiple divisions, with indication of which division is in its start sequence. - Division and Signal Flags. Shows flag for upcoming hoist or drop event. - Division Flags can be solid colors or numeric signal flags. - Supports start postponement (AP Signal) via 'AP Flag' toolbar item. Resets Race Start Time so that 'Warning' is one minute after AP Down (Per the RRS) Finish Time Log: - Quickly log a finish time with a tap in a large clock area. - Add and Edit boats, including name, sail #, Handicap, Division, and finish codes. - Delete erroneous entries. - 'Night Mode' for night time visibility. - Saves the log automatically for later review. - Email the log to you or your committee members in either CSV or Excel format. Boat Management and Scoring: - Save boat info such as ID (name), Sail number, Handicap, and default division. - Supports PHRF, SCHRS, IRC, and Portsmouth Yardstick handicapping system at the Division level. - Makes entry later much easier. - Score a race right in the app. Loads the log and race data quickly into scoring module. - Import boats from a CSV file in Boat Management. - Email the race scoring results as a spreadsheet. - See the 'More' button for these options. Benefits: - Simplifies start sequence timing by providing countdowns to key signals! - Reduces workload, especially when used with Voice announcements! - Helps eliminate problems when recording finish times! - Provides a copy of the times via email for later review. - Get race scores fast, before you get to port. No web system needed.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Recoil
Axios
React Navigation
TypeScript
BUILD KIT DIFFICULTY
Intermediate
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.
