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.
Swim Coach Tools brings ten essential utilities for all swim and dive coaches into one, fully offline app for iPhone and iPad
$2.99 · 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 Swim Coach Tools: 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 workout customization options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of detailed analytics
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No integration with wearable devices
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.
Swim Coach Tools brings ten essential utilities for all swim and dive coaches into one, fully offline app for iPhone and iPad. Track multi-lane splits, score meets, analyze stroke metrics, convert times, manage dive scoring, and run pace sets without bouncing between watches, websites, or half a dozen different apps. These tools are everything swim and dive coaches need, all in one place, and ready when they need them during a big meet or an important workout. From high school to college, club to international, assistant coach to head coach, and swim to dive...this toolkit is for you! Pay once and get the full app. Swim Coach Tools is just $4.99 with no subscriptions, no ads, and no additional in-app purchases. Ever. WHAT YOU GET: CLASSIC WATCH A clean, dependable, digital stopwatch designed for the pool deck. Large buttons, easy-to-read splits, and fast controls when all you need is a watch that works. SPLIT WATCH Track an entire heat of swimmers on one screen with one thumb. Tap a wall touch, assign it to a lane, and get your data without juggling multiple stopwatches. MEET SCORER Score dual meets and championship meets without the mental math. Pre-score a psych sheet or follow the teams as they race live with built-in scoring presets. SPLIT GOALS Build a race plan in seconds. Enter a goal time and instantly generate target splits, then adjust key splits to match your swimmer’s strategy. PACE CLOCK A bright, full-screen pace clock that your swimmers can actually see from across the pool. Simple, clear, and always ready for practice. Prop it up at your next workout! PACE TIMER Set the interval, start the set, and let it run. Pace Timer repeats the send-off, tracks reps, displays each rep's time, and keeps the group on schedule without constant math from the coach or the lane leaders. TEMPO TAP Tap along with your athlete's swim to get instant stroke rate and cycle time. Great for checking tempo during practice, race-pace work, and live swims. DPS CALCULATOR Turn one measured swim into instant distance-per-stroke, velocity, and efficiency numbers. A quick way to connect stroke count and speed without extra math. TIME CONVERTER Convert SCY, SCM, and LCM times instantly and fully offline. No browser tabs, no searching, and no waiting on internet on deck. DIVE TOOLS A full set of dive-meet utilities in one place. Display judging numbers, calculate scores fast, and translate dive codes without reaching for paper cards or reference sheets. WHY THIS APP IS DIFFERENT: 1. Built By a Coach, For Coaches This app was built by a swim coach who has stood on the pool deck wishing all of these tools lived in a singular place, got tired of searching and waiting, and finally just built it. I know the exact pain points of this beautiful sport, and I designed this app to try and solve as many as I could. 2. One Single Purchase -> You Own It All No subscription creeping onto your card, no annoying ads, and no sneaky in-app purchases trying to nickel-and-dime you for the features that you actually want. Additionally, no account creation and no data harvesting. Nothing you type into the app ever leaves your phone. Period. 3. Uncompromising Accuracy The numbers *have* to be right. A tool that is sometimes wrong is worse than no tool at all, and this is why every single calculation on this app has been rigorously tested. 4. 100% Offline Capability No internet? No problem. This app is guaranteed to run at the deep end of the oldest, most heavily bunkered indoor pool in your area, every single time.
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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.