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
wPad - Track your Walks
wPad transforms your iPhone and Apple Watch into the ultimate walking pad 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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Make it yours Optional
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 wPad - Track your Walks: 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
Integrate social features like challenges and sharing stats.
Assumption to check: Limited user engagement features, leading to lower retention.
Validate with people who use this workflow before building.
Hypothesis 2
Add goal setting with notifications for motivation.
Assumption to check: Lack of customizable goals and reminders.
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate HealthKit/Google Fit for better data tracking.
Assumption to check: No integration with health tracking ecosystems.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI with animations and personalized themes.
Assumption to check: Basic UI without engaging visuals.
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
wPad transforms your iPhone and Apple Watch into the ultimate walking pad companion. Connect to your walking pad via Bluetooth and track every step, calorie, and kilometer in real-time. REAL-TIME WORKOUT TRACKING + Connect to WalkingPad, TVDUGIM, and other Bluetooth walking pads + Live speed, distance, calories, steps, and duration tracking + Automatic session detection - starts when you walk, pauses when you stop + Beautiful Live Activity with Dynamic Island support APPLE WATCH APP + Full standalone Watch app for wrist-based tracking + See all your metrics at a glance while walking + Watch complications for quick access to daily stats + Works independently or synced with iPhone COMPREHENSIVE ANALYTICS + Detailed workout history with complete metrics + Charts and insights for speed, distance, calories, and steps + Daily, weekly, monthly, and yearly statistics + Track averages, totals, and personal records SMART GOALS + Set daily or weekly targets for steps, distance, calories, or duration + Visual progress tracking with completion percentages + Optional notifications when you reach your goals APPLE HEALTH INTEGRATION + Automatically sync workouts to Apple Health + Import existing walking workouts from Health + Your fitness data, unified in one place FLEXIBLE DATA SOURCES + Built-in Bluetooth support for popular walking pads + Add custom device names for any BLE walking pad + URL scheme integration for third-party apps PRIVACY FOCUSED + All data stored locally on your device + No accounts required + You control what syncs to Apple Health Whether you're working from home, watching TV, or fitting in steps during breaks, wPad makes indoor walking effortless to track. Connect your walking pad and start your journey 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
Zustand
react-navigation
expo-location
expo-permissions
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.
