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.
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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 Bevel: AI Health Coach: 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.
Bevel is the #1 app for improving your health, performance, and longevity, trusted by hundreds of thousands and backed by science. From sleep and recovery to stress and strength training, Bevel transforms your health data into personalized guidance you can actually use. Whether you're training for something big or just trying to feel better day to day, Bevel helps you move smarter, recover faster, and live longer. FEATURES Bevel Intelligence: Your smart health engine. Bevel Intelligence connects the dots across your data to give you instant feedback and personalized recommendations. It suggests when to train, when to rest, and what's helping or hurting your progress. Recovery Score: Your daily readiness, simplified. Avoid overtraining, prevent injury, and build sustainable habits by seeing how prepared your body is to perform each day. Sleep Score: Track and understand your sleep with a single number. Bevel analyzes your sleep stages, duration, and interruptions to reveal how well you're resting. A smart alarm wakes you at the optimal moment in your sleep cycle. Strain Score: Measure how hard your body is working throughout the day. Your Strain Score is personalized based on your sleep and recovery, helping you train at the right intensity without burning out. Nutrition Score: Log meals via Barcode Scan, Image Search, Recipe Creation, Describe Meal, or search our database of 6 million+ foods. Set calorie, macro, and nutrient goals in one place. Bevel also supports glucose tracking to see how food affects your metabolism. Stress Score: See how stress shows up in your body with a real-time score. Understand your stress patterns during sleep, workouts, and daily life. Strength Builder: Train smarter with Bevel's strength trainer. Choose from 700+ exercises, sync workouts between watch and phone, and get real-time feedback on muscular strain. Generate custom plans or log past workouts to track progress. Energy Bank: Your body's battery. Bevel combines recovery, sleep, strain, and stress into a single metric to show how your energy builds and drains throughout the day. Biological Age: Discover how old your body really is. Bevel calculates your biological age using key health markers like sleep, activity, resting heart rate, and more. Track how lifestyle changes move the needle and see how your choices affect aging. Health Records: Bring your medical data into Bevel. Import lab results, bloodwork, and clinical records to get a complete picture of your health in one place. Understand what your numbers mean and track changes over time. Journal: Track habits that impact your health. Log hydration, sunlight, screen time, and more. See how small behaviors add up and affect your sleep and recovery. SUBSCRIPTION AND TERMS Bevel is available for free with the option to upgrade to Bevel Pro with an auto-renewing subscription. You may switch off auto-renew in your Apple ID Account Settings. Purchases of premium subscriptions will be charged using your Apple ID upon confirmation of purchase. Subscriptions renew on a weekly or yearly basis, unless canceled at least 24 hours before the end of the current period. If canceled, subscriptions remain valid until the end of the current period, and any unused portions are not valid for a refund. By completing your purchase, you affirm your understanding of the following: Terms of Service: https://docs.bevel.health/terms-of-service Privacy Policy: https://docs.bevel.health/privacy-policy Bevel is not a medical device and is not intended to diagnose, treat, cure, monitor, or prevent medical conditions or illnesses. Always consult your physician first. All information provided is for general informational purposes only.
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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 find it hard to log meals accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited social features for challenges.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty tracking long-term progress.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User onboarding can be overwhelming.
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.