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 It! Is your personal calorie counter, diet planner, nutrition-focused food tracker and weight loss progress tracking app that helps you build healthy eating habits, stick to your diet program and reach your weigh...
Free · 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 Lose It! – Calorie Counter: 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 It! Is your personal calorie counter, diet planner, nutrition-focused food tracker and weight loss progress tracking app that helps you build healthy eating habits, stick to your diet program and reach your weight loss goals! Set your weight loss goal, get a personalized calorie budget, and track the food you eat, exercise, nutrients, macros, protein, carbs, and progress all in one place. We’re more than just a free calorie tracker. Complete your profile, and we’ll calculate a personalized daily calorie budget and weight loss schedule. Easily log and track your food, weight, activity, nutrition intake, macros, net calories, and intermittent fasting schedule—all in one place. Learn more about your nutrition needs, set achievable goals, manage your daily nutrition, and celebrate your progress with a personalized weight loss guide that helps you stay on track. SIMPLIFY YOUR WEIGHT LOSS JOURNEY Lose It! makes weight loss manageable using the proven principles of calorie counting, calorie deficit, diet tracking and nutrition awareness. Set your weight targets, log healthy meals, discover nutrient dense foods to eat, and track nutrients to build healthier eating habits. NEW—GLP-1 SUPPORT Log your medication, view estimated GLP-1 levels, and see how each phase may align with your hunger and eating habits—all alongside your nutrition, weight, and activity tracking. AI VOICE & PHOTO MEAL LOGGING Quickly and accurately log healthy meals using your voice or a photo. Just speak into your phone or tap the camera icon to track food and count calories in seconds. Snap a photo, log a meal and simplify your nutrition and weight loss journey! LOSE IT! FREE BASIC FEATURES • Calorie Tracking – Utilize the calorie counter to make it easy to track meals and exercise and chart the data, directly from your phone • Weight Loss Plan – Build a weight loss plan based on your unique body composition, activity level and habits • Community Support – Add your friends and join support groups to stay motivated PREMIUM PLAN FEATURES • Photo Meal Logging – Log meals by taking a picture • AI Voice – Say “I had 2 eggs, toast with butter and jam” to log your meal • Barcode Scanner – Scan food barcodes or search our database of items and recipes • Advanced Tracking – Track macronutrients like protein, carbs, fat, sugar; as well as nutrition, vitamins, minerals, and other health goals and metrics, including blood pressure, glucose, cholesterol, body measurements, sleep cycles and more • Intermittent Fasting - Set your fasting plan and track your fasts where you track your food • Meal Planning & Targets – meal targets help you calculate suggested nutritional content including macro, carb, protein and overall calorie intake. • Weight Loss Diet Plans – Identify what meals, fruits, lean meats, grains, and recipes are hindering or helping your weight loss progress. • Fitness App Syncs – connect fitness trackers, workout apps, and devices like Fitbit, Misfit, Garmin, Withings scales, Google Fit, Healthkit, and more to maximize your weight loss, gain or maintenance goals Since our launch in 2008 we have been featured in The Wall Street Journal, The Today Show, Men’s Health, Women’s Health, CNET, Buzzfeed, CNN, Shape, Good Morning America, and more. Lose It! has helped over 57 million users lose more than 150 million pounds. With a global food database of 56+ million items and recipes, tracking what you eat is simple and accurate. Choose from over 25 health goals and start seeing results in just three days of consistent tracking. The Premium subscription purchase will be charged to your iTunes account. The yearly subscription will automatically renew unless the auto-renew is turned off at least 24 hours before the subscription period ends. Your premium subscription auto-renew can be turned off or managed in your iTunes account settings. Any unused portion of the free trial is forfeited after purchase. -- Full terms: http://loseit.com/terms
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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 difficult to accurately log food items.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited exercise tracking options.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription model can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Users report bugs with syncing data across devices.
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.