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
Zapmap: EV charging points map
Helping you to stay charged, wherever you go.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
95 ratings · Top 15%
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.
First kit free with a verified email
Add to a Remix
Combine features and design from your favorite apps.
Kit ready. Verify your email to download it.
Generating… usually about a minute.
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 included17 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.
JavaScript is required to complete mailbox verification.
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 Zapmap: EV charging points map: map the core Navigation workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
Preview ready. Verify your email to reveal and copy the full prompt.
JavaScript is required to complete mailbox verification. Return to this prompt preview.
Continue in Rork >
Affiliate link: CloneChart may earn a commission at no extra cost
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 offline maps and charging point caching.
Assumption to check: Limited offline functionality for users without data
Validate with people who use this workflow before building.
Hypothesis 2
Use real-time data updates and user-reported statuses.
Assumption to check: Inconsistent data on charging point availability
Validate with people who use this workflow before building.
Hypothesis 3
Improve location search algorithms and user filters.
Assumption to check: Difficulties in finding nearby charging points in remote areas
Validate with people who use this workflow before building.
Hypothesis 4
Encourage user-generated reviews and ratings.
Assumption to check: Lack of comprehensive reviews for charging points
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
Helping you to stay charged, wherever you go. We’ve got you covered across the USA, the UK, the Republic of Ireland, and within European charging infrastructure – and our thriving EV community will help you too. With hundreds of thousands of charge points mapped, Zapmap gives you the widest range of options, allowing you to find charging that is right for you. Zapmap Features - Find nearby EV charging point details on the types of chargers available, the cost of charging, and whether the charge point is available to use - Use the EV route planner to see where to stop on longer routes, what's available in those areas, and how long you’ll need to charge - Make the most of our engaged community of drivers to better understand the charging world, or help others on their EV journey - Keep track of the status of your charging session in real time and determine when your car is fully charged Get more with a Zapmap subscription - if you regularly charge on the public network, Zapmap Premium provides enhanced features: - filter for new charge points and multi-charger locations, as well as by user rating and more detailed location types - helping you find the right charger, faster - save unlimited user filters, route plans, and EV models, and enjoy what3word addresses with all UK charge points. In addition, the app will be ad-free - get Zapmap on your in-car dashboard via Apple CarPlay. Locate suitable charge points, view live charge point status and access route plans - all while on the move Join our growing community of electric vehicle drivers. Make the most of our engaged community of drivers to better understand the EV charging world or help others on their EV journey. Love Zapmap? https://twitter.com/zap_map https://www.facebook.com/pages/Zap-Map/ https://www.linkedin.com/company/zap-map/ Any Suggestions? Contact us with issues or features suggestions on [email protected] Our Terms & Conditions - https://www.zap-map.com/terms-and-conditions Our Privacy Policy - https://www.zap-map.com/privacy-notice
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
< Scroll to see more >
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
React Navigation
Axios
Expo-Location
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.
