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
ProBikeGarage: Bicycle tracker
ProBikeGarage is your ultimate bike maintenance companion
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
129 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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 ProBikeGarage: Bicycle 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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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
Streamline the logging process with quick access buttons.
Assumption to check: Users often find the ride logging process cumbersome.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance analytics with graphs and detailed metrics.
Assumption to check: Limited bike performance analytics compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate social challenges and sharing options for competitive users.
Assumption to check: Inadequate social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Improve device integration and troubleshooting guides.
Assumption to check: Some users report difficulty syncing with devices.
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
ProBikeGarage is your ultimate bike maintenance companion. Whether you're into mountain biking (MTB), gravel, or road cycling, ProBikeGarage is here to improve your cyclist experience. Stop worrying about your bike's health and condition. ProBikeGarage seamlessly integrates with your Strava and sends you maintenance notifications to ensure your bicycles are always at their peak! Enhance the longevity of your beloved bikes and gear, and increase your performance. * Maximize gear lifespan: Increase the durability of your bicycle and components with automatic maintenance reminders, ensuring they work optimally for longer while reducing your costs. * Effortless Strava integration: ProBikeGarage automatically synchronizes your Strava activities for a streamlined cycling experience. Get bike service alerts as soon as you save your ride on Strava. * Ready for all cyclists: Customize your bike for various ride types, like indoor trainers, commutes, or races, ensuring it's always ready for any cycling activity. Join thousands of cyclists worldwide at ProBikeGarage now and redefine your daily cycling life. Achieve effortless bike maintenance, increase components and gear lifespan, and boost your cycling performance. ## Key features ## 1. Effortless maintenance alerts: * Receive timely notifications for component maintenance or replacement. For example, when your MTB suspension fork hits 120 hours of use, your road bike waxed chain clocks 400 km, or your gravel tires reach 5000 km. * Extend the lifespan of your bicycle and components, ensuring optimal performance and reduced costs. 2. Strava integration: * Sync all your bikes and rides seamlessly from your Strava account to start monitoring your bike and parts' status. * Get real-time updates after each ride for a hassle-free experience. Your cycling gear will always be ready for your next activity. 3. Component registration: * Easily register your components and assign them to your bikes to automatically count their activities and keep track of their distance, moving time, etc. * Record all changes and part upgrades, compare durability and performance, record completed services, log your visits to the local shop, compare spare prices on available online stores, etc. 4. Customized component installation: * Install gear tailored to different ride types, like in real life. Automatically switch between rear tires and cassettes for indoor/outdoor activities, use lighter wheels for races, and add a front light for your daily commute. ProBikeGarage adapts to your cycling style effortlessly. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Supabase
react-navigation
expo-location
react-native-maps
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.
