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
Visor - Smarter Car Search
"The F-150 I spent weeks searching for on the other sites, took me minutes to find with Visor." – Mark
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.2
70 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/
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 Visor - Smarter Car Search: map the core Shopping 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
"The F-150 I spent weeks searching for on the other sites, took me minutes to find with Visor." – Mark Other car search sites help dealers sell cars. We help you buy one. Unlike other car search sites, Visor does not sell your personal data as leads or show dealer ads. This way, we can build you the tools you deserve to shop for new and used cars with confidence. ▶ SEARCH, FILTER, & DISCOVER LIKE NEVER BEFORE - The most intuitive and fast car search experience. - View nationwide car listings on an interactive map. Finally! - Search listings nationwide, leaving no stone unturned. - Dynamic filters that react to what you select, showing you what is available for each of the options within the filter. - Price history and sales trends to know the best time to buy. - Search by license plate, VIN, URL link, and more. ▶ UNIQUE FEATURES FOR CAR BUYERS - See a car’s complete price history, including past sales events and promotions. - Find hidden deals and discounted cars that don’t appear on other auto search sites. - Avoid overpaying with clear market insights and fair pricing data. - Visualize the relationship between price and mileage and filter by any price/mileage grouping. - Filter by manufacturer-installed options, like Bowers and Wilkins Premium Sound System, Carbon Ceramic Brakes, and more. ▶ TRUSTED BY OVER 500,000 CAR BUYERS - "Just wanted to say, I love y’alls website. Its very easy to use." – Faith - "Thanks for making the website. It’s a breath of fresh air compared to the outdated auto search engines." – Matt - "I rave about your car search engine and am using it to research my new car and my mother in laws next vehicle." – Rave - "The site is awesome. SO much better than those clunky car sites and I love how it aggregates everything." – Reddit u/foodislife9199 - "Thanks to Visor, I found and bought the exact car I wanted, a 2025 VW Golf GTI SE at nearly 10 percent below MSRP. I haven’t stopped telling people about Visor since I found it. I’m so grateful for a tool that empowers the buyer. This is exactly how car buying should be." – Giovanna View more testimonials on visor.vin ▶ BUILT BY CAR BUYERS, FOR CAR BUYERS Visor was built by two brothers in late 2024. No big corporations. Just two guys who wanted a better way to shop for cars. This is the result of a car enthusiast and a data scientist coming together to build their dream car search site. ▶ VISOR PLUS - Advanced search filters, view sold inventory, and more. - This is how we stay independent and focused on car buyers like you. Join over 1,000,000 people who have used Visor to make their car shopping easier, smarter, and more transparent. Privacy Policy: https://www.visor.vin/privacy Terms of Service / EULA: https://www.visor.vin/terms
Written user reviews are not shown here. Check current App Store reviews >
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 efficient searching and indexing.
Assumption to check: Search functionality can be slow with many results.
Validate with people who use this workflow before building.
Hypothesis 2
Add more filter options like mileage and ratings.
Assumption to check: Limited filtering options can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Design a more user-friendly subscription model.
Assumption to check: In-app purchase prompts can disrupt user experience.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance the save feature with clear feedback and confirmation.
Assumption to check: Users report difficulty in saving cars.
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
Supabase
Zustand
react-native-reanimated
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.
