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.
Your coach sends you a workout
$9.99 · 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 Structured: 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: Lack of personalization options for users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited social features to connect with other swimmers
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty in tracking individual progress over time
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High subscription cost with unclear value proposition
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.
Your coach sends you a workout. You're standing on the pool deck. Now what? Swim Structured turns any coach-written swim set into a structured, device-ready workout in seconds. Paste the text, tap Parse, and every interval, with its stroke, effort, equipment, and the coach's exact cues, is ready to send to your Apple Watch or Garmin. BUILT FOR THE WAY COACHES ACTUALLY WRITE Coaches don't write in JSON. They write "4 X 50 @ Kickboard Flutter, finish last 15M hard kicking!" Swim Structured reads that. It handles the shorthand real swimmers use: send-offs, rest intervals, equipment callouts, round multipliers, mixed-stroke intervals, and the little notes that actually make a set work. ON YOUR WRIST, MID-INTERVAL The cues your coach wrote don't get lost. When you're on the 3rd of 4 kick 50s, your watch shows you "finish last 15M hard kicking!" exactly as written. No more memorizing the sheet before you push off. FULLY ON-DEVICE The parser is a real language model running locally on your iPhone using Apple's MLX framework. Your workouts never touch a server. No account. No subscription. No internet required after the one-time model download. EXPORTS THAT WORK Send to Apple Watch via WorkoutKit, with swim-native pool intervals and your notes attached. Export as FIT, the Garmin-native format. Upload to Garmin Connect, TrainingPeaks, or any service that reads FIT. Your rep counts, rest intervals, strokes, and equipment come through cleanly. EDIT BEFORE YOU SWIM Review the parsed workout before you export. Drag to reorder. Tap to edit. Add a warm-up interval or fix a typo. Your workout, your way. BUILT BY A TRIATHLETE Designed by someone who actually trains. If a feature doesn't help you get in the water faster, it's not in here.
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.