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
Camio (HD Dashcam)
Record your driving/cycling trips on HD video with crucial data overlays such as speed, time and geographical location and map
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.8
15 ratings · Top 50%
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 included16 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 Camio (HD Dashcam): map the core Navigation 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
Provide more customizable video quality options.
Assumption to check: Limited video quality settings
Validate with people who use this workflow before building.
Hypothesis 2
Implement improved GPS tracking and overlays.
Assumption to check: Inconsistent GPS accuracy
Validate with people who use this workflow before building.
Hypothesis 3
Simplify settings layout for better user experience.
Assumption to check: Cluttered UI in settings
Validate with people who use this workflow before building.
Hypothesis 4
Offer cloud storage for recorded videos.
Assumption to check: Lack of cloud storage options
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
Record your driving/cycling trips on HD video with crucial data overlays such as speed, time and geographical location and map. Get accurate speed reading on gauges from GPS with adjustable update frequency. These are just some of the few features offered by NavCam Features: - Realtime data overlay rendering (No time consuming post processing). - HD recording in 720p and 1080p and 4K (5 recording resolutions available). - H.264 video compression for best quality/file size ratio. - Map overlay with 3 different map types. - Load/save route onto map tracing with speed gradient. - Speedometer gauge superimposed. (Metric and Imperial units) - GPS coordinates overlay. - Time and date overlay. - Smooth video recording. - Uses your device GPU for processing providing higher fps. - Password protection. - Video playback with sharing options. - Sliding HUD view with speedometer, battery gauge compass and G-force gauge. - Trace your trip on the map displaying speed fluctuations.
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
Expo Camera
React Navigation
Async Storage
React Native Reanimated
Lottie for animations
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.
