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.
SplitTapPro is the split timing app built for track and cross country coaches and parents
$4.99 · 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 SplitTapPro: 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: Limited sports types available for tracking
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of community features to share progress
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Minimal analytics provided for user performance
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficult user onboarding process
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.
SplitTapPro is the split timing app built for track and cross country coaches and parents. Time every runner, every lap, every race — right from your iPhone. BUILT FOR COACHES AND PARENTS Whether you're a coach timing a full heat or a parent cheering from the infield, SplitTapPro gives you professional-grade split timing in your pocket. Add your runners before the race, tap to record splits lap by lap, and let the app handle the math. TIMING FEATURES - Time up to 10 runners simultaneously - Tap SPLIT each lap, FINISH at the line - Closing split calculated automatically - Live pace projection shows projected final time - Negative, even, and positive split detection - Auto-stop when all runners finish CAPTURE THE MOMENT Record video of your athlete while SplitTapPro times them simultaneously. Then export a styled video with their name, final time, and splits overlaid — perfect for sharing with family, posting to social media, or sending to college recruiters. SHARE YOUR RESULTS - Generate a polished share card image in one tap - Share a text summary instantly via Messages or Mail - Export race data as CSV for Numbers, Excel, or Google Sheets - Styled video export with athlete name, time, and splits overlay COACH MODE Larger timing cards optimized for trackside use. Same powerful timing, bigger targets, easier to hit on the fly during a race. RACE SETUP - Cross Country, Indoor Track, and Outdoor Track modes - Set lap length and total laps for any track event - Save meet templates and reload them in seconds - Import athlete rosters from CSV - Voice split calling speaks each split aloud as you record it HISTORY & EXPORTS - Full race history saved automatically - Export any past race as a share card or CSV - Restore Center for recovering archived data SplitTapPro is designed to disappear into the background on race day — so you can focus on your athlete, not your phone.
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.