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
LoveToBike
LoveToBike turns your Apple Watch into a cycling and fitness companion
$1.99 · In-app purchases
PRICE
$1.99
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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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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 included16 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 LoveToBike: 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
Enhance integration for better data synchronization and insights.
Assumption to check: Limited integration with health data platforms (e.g., HealthKit, Google Fit)
Validate with people who use this workflow before building.
Hypothesis 2
Add social features for challenges and ride sharing.
Assumption to check: Lack of social features for sharing rides or competing with friends
Validate with people who use this workflow before building.
Hypothesis 3
Provide more customizable goal-setting features for users.
Assumption to check: Inflexible goal-setting options
Validate with people who use this workflow before building.
Hypothesis 4
Enhance analytics with more detailed insights and visualizations.
Assumption to check: Basic analytics and tracking metrics
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
LoveToBike turns your Apple Watch into a cycling and fitness companion. Record workouts, see live metrics, and sync everything to your iPhone. Workouts & Sports Outdoor: Bicycling, Mountain Bike, E-Bike, Running, Hiking, Cross-Country Skiing, Skiing, Rowing Indoor: Indoor Cycling, Indoor Running, Strength Training Customize workout types per outdoor/indoor profile Live Metrics During Workouts Time & Distance: Elapsed time, distance, speed, max- avg. speed Elevation: Altitude, climb, descent, climb angle, vertical speed Heart Rate: Live heart rate, average heart rate, heart rate zones Calories: Burn rate and calories per hour TRIMP: Training load (TRIMP) Progress toward your workout goals Customizable screens: Choose which metrics to show per sport profile Heart Rate Zones Time in each heart rate zone (gray, blue, green, yellow, red) Heart rate sink after workout Calories per hour Map & GPS Track map: View your route on the map POI: Points of interest along the route Location tracking: GPS for outdoor workouts Bluetooth (BLE) E-bike battery: Battery level and remaining range Pedal power: Power from compatible power meters Combined: E-bike battery and pedal power in one view SRAM shifter: Battery level for SRAM AXS shifters Auto-reconnect: Reconnects devices during workouts when they’re temporarily out of range One-tap connect: Connect to registered devices Interval Coach Interval training with preset intervals Coach mode during workouts Visual interval progress Sync to iPhone Sync workouts to the LoveToBike iPhone app Automatic sync when the iPhone is nearby Manual sync for unsynced workouts Vital Data Age, weight, height, gender Max HR, resting HR VO₂max (Apple & LoveToBike) BMR and calories method Synced from Health and the iPhone app Safety & Reliability Locked controls during workouts to avoid accidental taps Low battery warning Automatic save when the watch battery is low Apple Fitness Integration Workouts saved to Apple Fitness Uses HealthKit for heart rate and activity data LoveToBike – your cycling companion on Apple Watch. iPhone: LoveToBike is the companion app for cyclists and athletes. It receives workouts from your Apple Watch, imports activities from other devices, and helps you analyze and manage your training. Home & Dashboard Cockpit Overview of your recent activities Quick access to key stats Fitness Apple Activity Rings for the last 7 days Move, Exercise, and Stand progress Uses Apple Health data Activities Voice search (“Speak with Me”) Search by date, sport, country, region Filter by workout type Activity Details Map: GPS route with terrain Charts: Heart rate, altitude, speed over time Telemetry: Distance, climb, descent, speed, heart rate zones HR Drop: Heart rate recovery after workout TRIMP: Training load (TRIMP) Photos: Link photo albums to activities Statistics & Reports Reports Duration, distance, climb by period (week, month, year, custom) Filter by sport type Bar charts and summaries Top Best activities by duration, distance, climb Personal records Import & Sync Apple Watch Sync workouts from LoveToBike Watch app Automatic sync when iPhone is nearby Manual sync for unsynced workouts Settings Watch Configuration Customize watch screen fields Separate outdoor and indoor layouts Drag-and-drop field arrangement Workout Targets Workout Values Announcements Intervals Interval training configuration Coach mode for the watch Vital Data Age, weight, height, gender Max HR, resting HR VO₂max (Apple & LoveToBike) BMR and calories method Max heart rate (stored for each year) Activity Merge Merge split workouts (e.g. from GPS pauses) Combine activities from the same ride Photos Link photo albums to activities View photos from rides Organize ride memories Multi-Language English, German LoveToBike – your cycling and fitness companion on iPhone.
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.
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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.
