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.
MacrosFirst is the most powerful macro tracker, food logger, calorie counter, and meal planner—designed to help you easily achieve your health and fitness goals, no matter your diet or fitness level.
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.
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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 MacrosFirst - 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
MacrosFirst is the most powerful macro tracker, food logger, calorie counter, and meal planner—designed to help you easily achieve your health and fitness goals, no matter your diet or fitness level. [ SET & TRACK YOUR MACRO GOALS ] • Create custom daily and meal-level macro goals, including unlimited custom meals, to fit any schedule or diet plan. [ AUTO-CALCULATE SERVING SIZES ] • Automatically calculate serving sizes to hit your specific macro targets with precision. [ LOG FOODS & MEALS IN SECONDS ] • Search a database of over 3M+ verified foods or scan barcodes with the barcode scanner for quick, accurate tracking—and easily copy meals or entire days between dates. [ SCAN NUTRITION LABELS ] • Instantly import nutrition facts by scanning food labels with your camera—no manual entry required. [ TRACK MACROS & NUTRIENTS ] • Get detailed breakdowns of calories, protein, carbs, fats, and more, and customize your view to track the metrics that matter most. [ ANALYZE YOUR PROGRESS ] • Track body weight trends and compare them with your food intake over time using detailed progress reports. [ SHARE MEALS & STAY CONNECTED ] • Share meals, foods, and recipes with friends and family, and view their daily logs for mutual support. [ CONVERT ALCOHOL INTO MACROS ] • Allocate alcohol calories as carbs, fat, or a combination of both, keeping your calorie and macro tracking perfectly aligned. ▶ GET EVEN MORE WITH PREMIUM ◀ [ UNLIMITED DAILY GOALS ] • Set personalized macro targets for specific days, perfect for carb cycling or training and rest days. [ SMARTER FOOD SEARCH ] • Find foods fast using AI—just describe your meal with voice or text, or snap a photo of your plate. [ PERSONALIZED EXPERIENCE ] • Save meal and day notes, and use Extra Meals to track unplanned or one-off meals seamlessly. [ ANALYZE YOUR NUTRIENT TRENDS ] • View nutrient trends and averages over any date range to track long-term progress and insights. [ SAVE & EXPORT DATA ] • Export your meal history to Excel or sync your data to Google Sheets for a deeper analysis of your nutrition. [ IMPORT RECIPES ] • Import recipes from any website, complete with ingredients and step-by-step instructions. [ MACRO MATH CALORIE REPORTING ] Calculate calories based on the actual macros to ensure that calories and macros always match, even when nutrition labels are inconsistent. [ UNLIMITED CONNECTIONS ] • Follow unlimited friends and share your progress, meals, and nutrition insights with your support network. [ VIP SUPPORT ] • Enjoy priority VIP support for Premium subscribers, ensuring your questions and needs are addressed promptly. ▶ SUBSCRIPTION PRICING & TERMS ◀ MacrosFirst is free to download and use, with optional Premium features available through auto-renewing subscriptions. Privacy & Security Policy: https://www.macrosfirst.com/privacy-policy.html Terms of Use: https://www.macrosfirst.com/terms.html
Written user reviews are not shown here. Check current App Store reviews >
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 logging meals tedious.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited integration with wearables.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complex subscription options can confuse users.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalized meal suggestions.
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.