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.
PVTRAK is your all-in-one personal fitness and habit tracking companion — built for people who are serious about building a better version of themselves, one day at a time.
$24.99 · 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 PVTrak: map the core Health & Fitness 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 exercise variety compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No integration with wearables
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High upfront cost with no trial
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.
PVTRAK is your all-in-one personal fitness and habit tracking companion — built for people who are serious about building a better version of themselves, one day at a time. Whether you're working to build consistent habits, crush your workouts, dial in your nutrition, or simply drink more water, PVTRAK brings everything together in one clean, easy-to-use app. HABIT TRACKING Build the routines that matter most to you. Set daily, weekly, or monthly habits and track your completion streaks over time. PVTRAK's heat map and streak leaderboard keep you motivated and show you exactly how far you've come. Whether it's morning prayer, reading, cold showers, or hitting the gym — if it matters to you, track it here. WORKOUT LOGGING Log strength training sessions with sets, reps, and weight. Track cardio workouts including distance, duration, and calories burned. Record your body weight over time and watch your personal records climb. PVTRAK's 8-week workout frequency chart gives you a clear picture of your training consistency so you can stay on track and keep improving. NUTRITION TRACKING Fuel your body with intention. Search the USDA food database with over 300,000 foods to log your meals with accurate calorie and macro data. Set your daily calorie and protein targets, track carbs and fat, and see 14-day calorie trend charts color-coded to show when you're on target, under, or over. Quickly re-add recent foods with a single tap so logging never feels like a chore. WATER INTAKE Hydration matters more than most people realize. Log your daily water intake, set a personal goal, and track your 14-day history. PVTRAK's progress ring shows you at a glance whether you're hitting your target each day. PROGRESS & INSIGHTS The Progress tab gives you a comprehensive view of everything — all in one place. Five detailed sections cover your habits, fitness, nutrition, and water with charts, streaks, personal records, and weekly summaries. Stop guessing whether you're making progress and start seeing it clearly. BUILT FOR CONSISTENCY PVTRAK isn't about perfection. It's about showing up every day and building momentum. The app is designed to make logging fast and frictionless so you spend less time tracking and more time doing. PRIVACY FIRST Your data is yours. PVTRAK uses secure authentication and stores all your information privately, tied only to your account. Start your 7-day free trial today — no commitment required. Then unlock lifetime access with a single one-time purchase and never pay again. Download PVTRAK and start building your best self.
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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.