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.
Track what you eat
$6.99
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.
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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 Tare: Calorie & Macro 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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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 calorie counting tedious and time-consuming.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited food database leads to frustration.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Graphs and charts may not be insightful.
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.
Track what you eat. Learn what you burn. Tare is a calorie and macro tracker that runs on your iPhone and stays there. No account to create, no subscription, no ads, no analytics. Your food log lives on your device and, if you want it to, in your own iCloud. EVERY DAY • Log food by searching two food databases, scanning a barcode, or pointing your camera at a nutrition label • Watch calories, protein, carbs, and fat fill against your goals as the day goes on • Build your own foods, recipes, and meal templates once, then log them in a tap • Sort your day into meal categories you name, color, and order yourself • Track water with quick-add buttons sized to your own glass BEYOND CALORIES • Over 20 vitamins and minerals tracked alongside your macros, each against its daily value • Short on iron, calcium, protein, or fiber? Tap it and Tare tells you what to eat to close the gap, ranked from your own foods first • Already on target? The same tap shows which foods got you there TARGETS THAT KEEP UP • Tare learns what you actually burn from your weight trend and what you log, then suggests new targets each week. You accept them or you don't • Body fat from a smart scale lets it tell muscle from fat, so a recomposition stops reading as standing still • Your weight is smoothed into a trend, so one heavy dinner doesn't read as a setback FASTING AND SUPPLEMENTS • Run a fasting schedule with a Lock Screen timer, and correct a fast that started or ended at the wrong moment • Keep supplements in timing groups with reminders, and log the water you take them with REPORTS AND CHECK-INS • Weight, body composition, calories, macros, and micronutrients over one, three, or six months • A daily check-in on energy, mood, sleep, and hunger, and what those move with ON YOUR WRIST AND HOME SCREEN • Home Screen and Lock Screen widgets for calories and macros • A read-only Today dashboard on Apple Watch, plus a calorie ring complication IN YOUR LANGUAGE • English, Russian, Ukrainian, and Polish — every screen, number, and reminder, on iPhone, widgets, and Apple Watch • It opens in your iPhone's language, and you can change it in Profile → Language & Region • Translations are built into the app. Choosing a language sends nothing anywhere PRIVATE BY CONSTRUCTION • No account, no tracking, no advertising or analytics frameworks • Sync runs through your own iCloud account, which we cannot read • Apple Health is optional, and every data type is permitted separately • Export everything you have recorded as CSV, whenever you like One purchase. No subscription. iPhone and iPad. Tare is not a medical device and does not provide medical, dietary, or nutritional advice. Food data comes from USDA FoodData Central and Open Food Facts and is provided as-is.
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.