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
Pelican: Automotive assistant
The most personal CarPlay driving experience for any car, whether it's a 1999 Toyota Camry or a 2025 Ford F-150.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.0
78 ratings · Top 30%
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's included18 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 Pelican: Automotive assistant: 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
Implement an improved search and filter feature.
Assumption to check: Users find it difficult to navigate through services.
Validate with people who use this workflow before building.
Hypothesis 2
Add offline maps and service information.
Assumption to check: Limited offline functionality.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the subscription flow and add clear explanations.
Assumption to check: Subscription management can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate user preferences to suggest relevant services.
Assumption to check: Lack of personalized recommendations.
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
The most personal CarPlay driving experience for any car, whether it's a 1999 Toyota Camry or a 2025 Ford F-150. No ads. No tracking. No data sold to insurance companies. Pelican is a free navigation product with social driving features like sharing the locations of road closures, traffic, and police. Built on OpenStreetMap and a corporate sponsor of the OpenStreetMap foundation, the Pelican community actively contributes to making the map better for everyone. Pelican's full-time development is covered through memberships that include additional powerful features like trip logging, historical vehicle diagnostics, OBD scanning, "The Fog", "The Danger Zone", and more. ▶ More than just a navigation app Reduce context switching by customizing your experience with widgets on the map. Widgets like real-time vehicle data (via OBD), music, weather, compass, speed limit, and more can all be added with the customizable widget editor. ▶ A real-time map connected to the Pelican community Stay aware of real-time road conditions with Scout reports of hazards, police, construction and accidents made by other Pelican drivers. ▶ Speed limits even while cruising Whether you're navigating or cruising, see the current speed limit with the CarPlay widget. When navigating, see the weather at your destination with the weather widget. ▶ Open source, offline navigation With Pelican Navigation, you can navigate while offline and edits you make to OpenStreetMap can affect your drive within 36 hours of publication. ▶ Powerful, real-time vehicle data Turn your offline car into an online car using iCloud sync and Pelican's powerful OBD scanner. Sync your vehicle state to your Apple Watch for free. ▶ Know how far you can go before you go See your range outline on the map with Pelican's range overlays. ▶ Privacy and security All data is stored on your device and never sent to third party servers. If you use iCloud sync, your data is stored on your personal, encrypted iCloud database accessible only to you. ▶ Control your vehicle remotely Tesla and Volvo accounts are fully supported, with Porsche, Toyota, and Polestar accounts available in closed beta. To join the beta, email [email protected]. ▶ All your cars, anywhere you want Personalize your lock screen, home screen, Apple Watch, and CarPlay with vehicle widgets. Need help? Have feature requests? Reach out at [email protected] EULA: https://www.apple.com/legal/internet-services/itunes/appstore/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
React Navigation
Axios
Zustand
React Native Maps
BUILD KIT DIFFICULTY
Expert
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.
