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.
App Overview
ZOZOFIT: 3D Body Scanner
SMARTER TRACKING FOR IMPACTFUL CHANGES
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
7,243 ratings · Top 15%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for ZOZOFIT: 3D Body Scanner: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Improve scanning algorithm for better performance in low light.
Assumption to check: Users struggle with accurate body scanning in varied lighting conditions.
Validate with people who use this workflow before building.
Hypothesis 2
Provide clearer explanations and visual guides for measurements.
Assumption to check: Some users find the measurement interpretation confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Implement better error handling and testing for camera integration.
Assumption to check: Frequent crashes during camera functionality.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce social features to share progress with friends.
Assumption to check: Limited social sharing options.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
SMARTER TRACKING FOR IMPACTFUL CHANGES Precise body measurements and AI-powered nutrition tracking, all in one place. ZOZOFIT gives you a digital toolbox to take control of your fitness with real, measurable data – track body transformation, log your diet, and stay accountable with intuitive scanning and easy-to-use features. YOU ARE MORE THAN JUST A NUMBER ON A SCALE We know weight is only part of the picture. It doesn’t capture how your body composition evolves over time. ZOZOFIT’s innovative features provide you with unparalleled access to valuable data and tools, giving you greater control over your body. Our app delivers valuable insights, including precise measurements, body fat percentage calculations, and metrics to help you thrive. See your body change visually through before-and-after comparison views and transformation videos. Plus, easily log your meals and track your nutrition to stay on top of your dietary goals to track everything in one place. 3D BODY SCANNING MADE EASY In less than 2 minutes, ZOZOFIT scans your body to provide you with detailed body measurements for 16 key locations, as well as informative graphs so that you can track your fitness progress over time. Our data will keep you accountable and focused on your goals. The more you scan, the clearer your progress becomes. ZOZOFIT FEATURES INCLUDE: 3D Measurements: Get a full-body, 360° view with measurements for 16 key areas. Side-by-Side: Compare two scans to visualize your body’s transformation. BodyMorph (NEW!): Turn your scans into a shareable video – bring your progress to life and share your transformation. ColorMetric: Visualize changes with color gradients – amber for growth, teal for reduction. Goal Setting: Set measurement goals for specific body areas and track progress. Goal Simulator: Envision changes by adjusting inches on key areas to see potential results. HealthKit Integration: Sync Apple Health data for a complete fitness overview. Booty Mode: Track key glute metrics (lift, fullness, and shape) over time. Food Journal: Track meals with AI – snap a photo, scan a label, or log manually. My Body Stats: Access detailed body metrics and download PDF progress reports. Weekly Recap: Review highlights and achievements across ZOZOFIT and other Apple Health metrics. Posture Mode: Assess 8 key posture points to track alignment from front and side views. Tailor Mode: Find your precise clothing size with confidence using accurate body measurements. Available on select iPhone devices. Recommended iOS 18.6 or later. Recommended devices include: • Phone 14 and later models • iPhone 13 Pro Max • iPhone 13 Pro • iPhone 12 Pro Max • iPhone 12 Pro Looking for support? Visit zozofit.com to browse FAQs, troubleshooting tips, or to contact our support team.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
axios
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@react-native-async-storage/async-storage
expo-camera
BUILD KIT DIFFICULTY
Advanced
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.
