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
BodyScope: Measure&Track Sizes
tired of dry numbers in measurement apps? bodyscope revolutionizes body tracking by making every centimeter change visually tangible!
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 BodyScope: Measure&Track Sizes: 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
Provide customizable measurement types and easier viewing options.
Assumption to check: Difficulty tracking multiple types of measurements
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate onboarding tutorials or tooltips.
Assumption to check: Lack of user guidance
Validate with people who use this workflow before building.
Hypothesis 3
Enhance progress charts with more visual analytics.
Assumption to check: Limited data visualization
Validate with people who use this workflow before building.
Hypothesis 4
Add options for users to share progress on social media.
Assumption to check: No social sharing features
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
tired of dry numbers in measurement apps? bodyscope revolutionizes body tracking by making every centimeter change visually tangible! visual progress engine • on-screen ruler: draws actual-length lines showing change magnitude • elliptical modeling: scientifically calculates waist-narrowing distance • body diagrams: professional guides for 8 key areas precision measurement system • animated guides: ensure consistent measurement conditions • 8 key areas: waist, hips, chest, arms, thighs, calves, neck, wrists • custom areas: create personalized tracking points • millimeter accuracy: professional-grade precision permanent data security • healthkit sync: seamless ios health app integration • icloud backup: cross-device sync & zero data loss • trend analysis: long-term progress graphs • csv export: full data portability smart analytics • goal tracking: set targets with real-time progress • trend recognition: auto-detects gain/loss/plateau • change alerts: notify significant measurements • multi-area comparisons: visualize progress across body perfect for: • weight loss: track inch loss visually • muscle building: monitor growth accurately • health management: waistline health tracking • postpartum recovery: document body recomposition • tailoring: create permanent measurement archives transform measurements from numbers to a visual journey of your body's story!
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
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BUILD KIT DIFFICULTY
Intermediate
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.
