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.
Build muscle, gain strength, and lose weight with personalized workout routines tailored to your goals, fitness level, and available equipment
$3.99 · 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.
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 Fitness Buddy+ Workout Trainer: 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: Users struggle with the variety of workouts available.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Tracking nutrition can be cumbersome.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited social features for community engagement.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase confusion for premium content.
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.
Build muscle, gain strength, and lose weight with personalized workout routines tailored to your goals, fitness level, and available equipment. Every workout is designed to match your individual needs, allowing you to make lasting progress on your terms. Transform your health and lifestyle with a comprehensive approach to fitness that includes not just exercise, but also diet and habit formation. It's your ultimate companion for a healthier, stronger you. Unlock Your Full Fitness Potential with Fitness Buddy – Your Ultimate Workout Partner Celebrated by Users & Fitness Experts Alike ◆ Comprehensive Workout & Nutrition Planner: Tailored fitness plans for home and gym workouts. ◆ Extensive Exercise Database: Over 2400 exercises with detailed video guides and animations. ◆ Customizable Fitness Programs: Personalize your workout frequency and program duration to fit your lifestyle. ◆ Goal-Oriented Training Plans: Specific plans for weight loss, muscle gain, and improving overall fitness. ◆ Advanced Tracking Features: Monitor your progress with intuitive workout, nutrition, and body metric tracking. ◆ User-Centric Design: Easily select workouts based on available equipment and your training preferences. ◆ Diverse Fitness Content: From strength training to yoga, cater to all your fitness needs in one app. Empower Your Workout Experience ◆ Personalized Workout Guides: Enjoy workouts customized to your fitness level and goals. ◆ Dynamic Workout Routines: Varied programs to keep you engaged and ensure continuous progress. ◆ Build Your Own Routines: Save, modify, and create workouts that suit your preference. 1000+ Exercise Tutorials ◆ High-Quality Instructional Content: Multi-angle videos and comprehensive exercise descriptions. ◆ Versatile Exercise Search: Find exercises by muscle group, equipment, or keyword. ◆ All-Inclusive Fitness: Including cardio, mobility exercises, and options for every fitness level. ◆ Regular Content Updates: Always expanding the exercise library for an optimized workout experience. Optimize Your Nutrition ◆ Customized Meal Plans: Tailor your diet with options like keto, paleo, fasting, and vegetarian to suit your lifestyle. ◆ Delicious, Healthy Recipes: Explore hundreds of tasty, nutritious recipes that align with your meal plan. ◆ Nutritional Insights: Gain detailed calorie and nutrition information for each recipe, empowering your dietary choices. Seamless Integrations ◆ Health App Connectivity: Sync with Apple Health for a unified fitness tracking experience. ◆ Wearable Integration: Compatible with popular fitness trackers and available on iOS devices. Subscription Details Unlock full access with an easy subscription, available monthly or yearly, directly through your iTunes account. ◆ Flexible Subscription Options: Choose what works best for you. ◆ Hassle-Free Management: Easily manage your subscription through your account settings. ◆ Continuous Updates & Support: Get all the latest features and premium content to keep your fitness journey on track. Embark on a transformative fitness journey with Fitness Buddy, where your dedication meets our comprehensive support for unparalleled fitness achievements. Subscriptions auto-renew monthly or yearly, with charges to your iTunes upon purchase confirmation. Turn off auto-renewal in Account Settings at least 24 hours before the period ends to prevent renewal charges. Unused trial portions are forfeited upon cancellation. For full terms and privacy details, visit: https://www.azumio.com/page/privacypolicy
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.