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
PEV Boss
PEVBoss - VESC Vehicle Monitor
$7.99
PRICE
$7.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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 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 PEV Boss: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
PEVBoss - VESC Vehicle Monitor Turn your Apple Watch into a live dashboard for any VESC-powered ride. PEVBoss connects directly to your controller over Bluetooth — no phone, no middleman — and puts real-time telemetry right on your wrist while you ride. BUILT FOR VESC RIDERS Whether you're on an electric skateboard, e-bike, scooter, Onewheel, e-foil, or a custom DIY build, if it runs VESC, PEVBoss works with it. WHAT YOU GET AT A GLANCE Live speed and trip distance Battery percentage, voltage, and BMS details Motor and controller performance data Instant fault and alarm notifications Refloat support for Onewheel specific data Handles systems with multiple CAN devices, but display data for the first controller only BMS data requires a VESC BMS connected via CAN NO PHONE REQUIRED PEVBoss connects directly from your watch via Bluetooth. Leave your phone in your bag or at home. ALWAYS-ON DURING YOUR RIDE PEVBoss uses a background workout session to stay active while you're out — this keeps the connection live and your data flowing. It does not record fitness or health data. WATCH COMPLICATIONS Show battery percentage on your watch face for instant access before you even open the app. Requires watchOS 26 or later.
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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
Implement HealthKit/Google Fit integration for enhanced data tracking.
Assumption to check: Limited integration with wearables or fitness devices.
Validate with people who use this workflow before building.
Hypothesis 2
Add social sharing and challenges to engage users.
Assumption to check: Lack of social features for motivation.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce workout templates and custom routines for better personalization.
Assumption to check: No customizable workout routines or templates.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance nutrition logging with a food database and barcode scanning.
Assumption to check: Minimal nutrition tracking capabilities.
Validate with people who use this workflow before building.
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
React Native Paper
TypeScript
BUILD KIT DIFFICULTY
Advanced
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.
