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
Rental Software Pro
Rental markets were never more popular than today as almost in every sector rental activities regularly take place in one form or the other
$19.99 · In-app purchases
PRICE
$19.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 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.
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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 Rental Software Pro: map the core Business 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 a feedback system for users to share their experiences.
Assumption to check: Lack of user reviews and feedback
Validate with people who use this workflow before building.
Hypothesis 2
Offer a simplified onboarding process to guide users through setup.
Assumption to check: Complexity in property management features
Validate with people who use this workflow before building.
Hypothesis 3
Include customizable reports and analytics for better insights.
Assumption to check: Limited reporting features
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a freemium model to attract more users before converting to paid plans.
Assumption to check: High subscription cost
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
Rental markets were never more popular than today as almost in every sector rental activities regularly take place in one form or the other. Helping renters in organizing their activities efficiently and effectively, the Rental Software is one tool that is making life easier as never before. The software is designed for all kinds of individual, small scale and large scale rental businesses allowing easy organizing and tracking of all rental units and resources avoided a multitude of problems that are faced otherwise. The easy and handy user interface allows checking and calculating of all previous professional events, leasing terms and other important notes that are essential for making and taking instant decisions. Rental software completely rules out the need of going and searching through extensive paper notes to find out if a certain rental time is free. The sorting and searching function in the software allows users to easily handle all records irrespective of whatever type of rental business you have. Businesses that are successfully using this software include Cars, property and hotel, electronics, video games and CDS, heavy equipments, boat, canoe and rowboats and motorcycle and bike rentals. Rental Software is an easy, speedy and simple software with the menu depicting 4 icons namely Resources, Clients, Reports and Scheduler. The resources section allows storing of all information regarding resources to be rented out including time and date of rentals confirmed to clients. You can also keep in notes regarding any resource in this section and viewing it appointments and clients list can be determined easily at any time. The Clients section records all personal information of the clients including addresses, phone numbers and emails. A complete profile of clients can be maintained with previous rental service records as well and direct phone calls can also be made to these clients from the program if required. The Reports section allows all daily appointments to be recorded inclusive of information such as the particular resource, time and date of renting resource and total earnings from the rent service. The Scheduler appears in form of a calendar that shows all scheduled appointments for present and previous dates along with order details, total earnings of the day and viewing it new Appointments can also be fixed easily. All in all Rental Software is one program rental businesses cannot survive without now. Easily Rent Any Type of Product: Car Rental / Hire Hotel & Property Reservations Camera & Electronics Rental Heavy Equipment Rentals Video & Video Game Rental Stores Baby Gear Rentals Bike & Motorcycle Rentals Boat rentals Canoe & Rowboat Rentals Add new client/resources: you can tap the "+" in the upper-right corner of the screen (please find attached screenshots - the green "+" button).
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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
Supabase
Tailwind CSS
React Navigation
Zustand
BUILD KIT DIFFICULTY
Intermediate
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.
