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.
MacroFactor Workouts combines innovative coaching algorithms with science-based workout routines customized to your goals, fitness level, and gym equipment.
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 MacroFactor Workouts - 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 often feel overwhelmed by too many features.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in tracking progress consistently.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited social features for motivation.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase confusion regarding premium features.
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.
MacroFactor Workouts combines innovative coaching algorithms with science-based workout routines customized to your goals, fitness level, and gym equipment. Effortlessly track your strength training routines with an intuitive workout planner, and easily monitor your PRs and progress with charts and data insights. MacroFactor Workouts uses progressive overload to automatically adjust your strength training workouts based on your progress, helping you break through plateaus and reach your fitness goals. No gym? No problem. Create routines based on the equipment you have available in your home gym. Download to start your 7-day trial of this premium, ad-free workout tracker app. WORKOUT TRACKER & PLANNER FEATURES - Effortlessly track your workouts with an intuitive interface - Hundreds of strength training exercises with helpful tips and cues, and technique videos by Jeff Nippard - Customizable rest timers - Plate calculator based on available plates and bars - Tracker for supersets, partial reps, and myoreps - RIR tracker - Smart warm-up planner - Track different weights and reps on your right and left sides - Easily swap exercises with smart suggestions - Create new exercises - Notes sections for exercise and workout details - Create gym profiles for each of the places you workout CUSTOMIZED WORKOUT PLANS - Get a personalized workout routine based on your goals, fitness level, the gym equipment you have access to, and more - Built by fitness experts and based on science - Easily import and track popular Jeff Nippard routines - Customize your workouts with smart exercise swaps, custom exercises, and more - Prefer to create your own workouts? Use the workout planner for manual tracking, building, and saving custom routines and workouts SMART AUTO-PROGRESSION FOR STRENGTH TRAINING - Your plan automatically adjusts day-to-day based on your progress - Simply track your strength workouts, and the app will tell you what to do to keep making progress – just like a coach would - Reach your fitness goals efficiently – no wasted time, no guesswork, no pseudoscience REACH YOUR FITNESS GOALS - See your progress over time with beautiful and functional charts, visuals, and graphs - Easily access your workout history - PR tracker - Volume tracker - Progress photos and body metrics tracker - Design your dashboard to feature the insights you value most SUBSCRIPTION PRICING & TERMS MacroFactor Workouts is a premium strength training and planner app that offers three auto-renewing subscription options: $11.99 / month $47.99 / half year $71.99 / year (equal to $5.99 a month) MacroFactor Workouts has a free trial, but does not offer a free subscription tier. These prices are for US customers. Pricing in other countries may vary. Payment will be charged to your Apple account at confirmation of purchase. Your subscription to MacroFactor Workouts will automatically renew, unless you cancel at least 24 hours before the current period ends. You can cancel or manage your subscription from your Apple account settings. Terms & Conditions: https://terms.macrofactorapp.com/ Privacy Policy: https://privacy.macrofactorapp.com/
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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.