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
Orbit Steps
Orbit Steps is a premium, privacy-first step tracker for people who value simplicity, clarity, and full control over their data.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 ratings · Top 5%
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.
Build your own version
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/
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 Orbit Steps: 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
Add social challenges and leaderboard.
Assumption to check: Lack of user engagement features like social sharing.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to create custom workout plans.
Assumption to check: Limited customization for workouts.
Validate with people who use this workflow before building.
Hypothesis 3
Implement detailed progress charts and analytics.
Assumption to check: Basic tracking without advanced analytics.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate with HealthKit/Google Fit for enhanced tracking.
Assumption to check: Absence of integration with health platforms like HealthKit.
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
Orbit Steps is a premium, privacy-first step tracker for people who value simplicity, clarity, and full control over their data. In a world of subscriptions, ads, and constant tracking, Orbit Steps offers a different approach. Pay once and use it forever. KEY FEATURES One-Time Purchase No subscriptions. No monthly fees. No hidden costs. Just one purchase for lifetime access. 100% Private Your health data stays on your iPhone. Orbit Steps does not track you, sell your data, or upload your personal health information to cloud servers. Ad-Free Experience Enjoy a clean, focused interface designed to help you stay motivated without distractions. Home Screen Widgets See your daily progress at a glance with beautifully designed widgets. Apple Health Integration Seamlessly sync with Apple Health and HealthKit to view your steps, distance, and daily activity. Japanese 3x3 Interval Walking Stay active with structured interval walking sessions inspired by the Japanese 3x3 method. Light and Dark Mode Support Carefully designed to look great in both light mode and dark mode. Designed for Everyday Use Track your progress, review your history, explore trends, and stay focused on your movement goals with a polished and intuitive experience. Take control of your fitness journey with a step tracker that respects your privacy, your time, and your wallet. Download Orbit Steps today.
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
Victory Native
Zustand
React Navigation
Async Storage
BUILD KIT DIFFICULTY
Starter
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.
