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.
Lose weight and keep it off with Noom.
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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 Noom Weight Loss, Food Tracker: 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.
Lose weight and keep it off with Noom. Millions of people trust Noom because it pairs medication with mindset, giving you the tools, support, and science-backed strategies to build lasting habits. The app gives you all-in-one access to step tracking, meal logging with AI, face and body scanning with health insights, and rewards just for showing up. Whether you're building better habits with Noom Weight or working with a clinician on Noom Med, you'll get a weight loss plan tailored to your goals and lifestyle. FEATURES - AI food logging with 1M+ food items, protein & calorie tracking - Access to GLP-1 meds, if eligible - Body scans for real-time insights - Meal plans & dietitian-backed recipes - 1,000+ fitness, stretching & meditation classes - Daily lessons on habits, & behavior change - Supportive communities - Sync with Apple Health, Fitbit, Garmin & more - Optional 1:1 coaching What people are saying: “An evidence-based lifestyle behavior change program.” - Mashable “Cost-effective and accessible to everyone looking to help manage their weight loss." - Newsweek “Helped me reimagine my food choices without forcing me to completely cut out any foods.” - Healthline NOOM WEIGHT A sustainable weight loss program to help you change the habits behind your health through lessons and science-backed tools. - Avg. weight loss: 15 lbs in 15 weeks¹ - 95% say it’s a long-term weight loss solution2 - 98% say it changed their habits for good2 - Supports intermittent fasting & behavior-based food logging - Stay consistent with coaches, content & community Plans as low as $17 a month.3 NOOM MED Combine proven GLP-1 meds with the tools and support to lose weight and keep it off—even if you stop medication. - If eligible, access trusted GLP-1s like Ozempic®4, Wegovy®, Zepbound®5 or Mounjaro®5 - Or choose Noom GLP-1Rx with SmartDose, a personalized dosing system designed for a smoother, more effective GLP-1 experience - Meds shipped to your door in 7 days,6 if prescribed 7 - Microdose GLP-1Rx options available, designed to deliver effective results and minimize side effects - 100% online access to doctors & health coaches - GLP-1 Companion Program with Muscle Defense™ to lose fat, protect muscle, & build healthy habits - Pairing GLP-1 medication with Noom habits leads to ~37% more weight loss 8 Plans start at $39 a month.9 ¹ Based on a 3.5 year study of actively engaged Noom users with a minimum starting BMI of 25. 2 Based on a sample of 4,272 Noomers. 3 Based on a web annual auto-renewing plan for $209 USD. All prices are prior to any applicable sales tax or discounts. In 4 weeks the typical Noom user can expect to lose 1-2 lbs per week. Noom results involve maintaining a healthy diet and exercise changes. Individual results may vary 4 Ozempic® is not FDA approved to treat obesity or for weight loss 5 Eli Lilly and Company has not authorized this content. Not all customers will medically qualify for prescription medications. Pricing will vary based on dosage 6 Medication delivery in 7 days is only available for compounded medications. Not all customers will medically qualify for prescription medications. Compounded medications are produced in an FDA-registered facility but not reviewed by the FDA for safety, efficacy or quality 7 Medications require consultation and prescription by clinician through Noom platform. Not all customers will qualify for prescription 8 Based on a retrospective study of self-reported data of pounds lost for active versus passive users who were offered the Noom program when being prescribed an early stage GLP-1 9 Pricing based on the 1st month subscription fee only and does not include the cost of medications For CCPA: "Do Not Sell" Policy for California Residents, see https://www.noom.com/ccpa-do-not-sell/ Noom's Facial and Body Scans are for educational use only. These products are not medical devices and should not be used as a substitute for clinical assessment by a healthcare professional.
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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 often find the meal logging tedious and time-consuming.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Some users report issues with the accuracy of calorie counting.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited motivational features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription model can be confusing for users.
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.