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.
# GYM RATS – YOUR AI GYM & BODYBUILDING COACH
$0.99
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.
Kit ready. Verify your email to download it.
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 GYM RATS: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
# GYM RATS – YOUR AI GYM & BODYBUILDING COACH TRAIN HARDER. GET STRONGER. TOGETHER. Gym Rats is your all-in-one AI-powered gym coach, workout planner, nutrition assistant and fitness community. Built for bodybuilders, strength athletes and anyone serious about transforming their physique. Whether you're building muscle, increasing strength, losing body fat or taking your training to the next level, Gym Rats creates personalised workout plans tailored to your goals, experience and available equipment. From your first rep to your next personal record, Gym Rats gives you the tools, guidance and motivation to keep progressing. **YOUR PERSONAL AI GYM COACH** Get intelligent workout plans designed around your body, goals and training experience. • AI-generated workout plans tailored to you. • Intelligent progressive overload to help you build strength and muscle. • Personalised exercise recommendations and workout adjustments. • Custom training splits, including Push/Pull/Legs, Upper/Lower and full-body routines. • Build, customise and schedule your own workouts. **AI FORM CORRECTION & EXERCISE ANALYSIS** Train with confidence using AI-powered exercise analysis. • Analyse your exercise technique using your iPhone camera. • Receive real-time feedback and coaching cues. • Track your repetitions during supported exercises. • Identify areas of your technique that need improvement. • Improve your movement quality and get more from every workout. **INTERACTIVE MUSCLE MAP** See exactly what you're training with an interactive muscle map. • Visualise your trained muscle groups. • Track weekly training sets for individual muscles. • See when you last trained each muscle group. • Identify muscles that may need more attention. • Make more informed decisions about your training. **ADVANCED WORKOUT TRACKING** Every rep counts. Every set matters. • Log exercises, sets, repetitions and weights. • Track workout duration, rest periods and training volume. • Monitor strength progression over time. • Automatically identify new personal records. • Review your workout history and training performance. • Track your consistency and build lasting training habits. **AI NUTRITION COACH** Fuel your body for the results you want. • Generate personalised meal plans based on your goals. • Track calories, protein, carbohydrates and fats. • Create weekly meal plans and shopping lists. • Import existing meal plans. • Adjust your nutrition to support muscle growth, fat loss or maintenance. **PHYSIQUE & BODY PROGRESS TRACKING** Know how your body is changing. • Track body weight and body composition. • Record progress photos to visualise your transformation. • Monitor strength gains and training performance. • View progress charts, trends and body measurements. • See how your hard work translates into real results. **APPLE WATCH WORKOUT COMPANION** Take your training beyond your iPhone. • Track workouts directly from your Apple Watch. • Monitor heart rate during training. • Keep track of sets and rest periods. • Access workout information from your wrist. • Integrate with Apple Health for additional fitness and recovery insights. **A COMMUNITY THAT LIFTS TOGETHER** Gym Rats is more than a workout tracker. It's a community of people who share your passion for training. • Share your workouts and achievements. • Follow friends and fellow gym enthusiasts. • Celebrate personal records and training milestones. • Stay motivated through community challenges and leaderboards. • Connect with people working towards their own fitness goals. **BUILT FOR EVERY LEVEL** Whether you're stepping into the gym for the first time or you've been lifting for years, Gym Rats adapts to your experience and ambitions. Build muscle. Increase strength. Improve your physique. Track your progress. TRAIN HARDER. GET STRONGER. BECOME A GYM RAT. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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: Inaccurate tracking
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Generic workout plans
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No social features
Validate with people who use this workflow before building.
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.