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
Images Crawler
Images Crawler is a simple app that lets you capture all images on any website url given
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
3 ratings · Below Average
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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Combine features and design from your favorite apps.
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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/
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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 Images Crawler: map the core Photo & Video 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
Integrate multiple APIs for broader image access.
Assumption to check: Limited image sources for search
Validate with people who use this workflow before building.
Hypothesis 2
Use a cohesive design system for a consistent look.
Assumption to check: Inconsistent user interface
Validate with people who use this workflow before building.
Hypothesis 3
Implement filters for size, type, and orientation.
Assumption to check: Lack of advanced filtering options
Validate with people who use this workflow before building.
Hypothesis 4
Implement local storage for offline image access.
Assumption to check: No offline access to saved images
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
Images Crawler is a simple app that lets you capture all images on any website url given. Just input the website URL and tap on load will crawl the entire images within the website. You can review the URLs before deep crawl are set to grab all the images within the web page. Features: • All crawl images are stored on your device so you can access it offline. • All images are stored in it's own domain folder for easy access. • You can preview the images on your device or export the image to the camera roll. • You can also export the entire domain folder to the camera roll. • Delete any image or folder in your device to save storage space. • All crawl images can be accessed via Files App. • Lightweight app with a small size, optimized for everyday use. Setting: Able to set maximum crawl pages so it will stop at any given limit. This will limit the total crawling pages so it hasn't taken forever to crawl a large website. Filter image size by small, medium, large, X-large or All. Filter images for display in the library, e.g. show only small images after images crawl to avoid display congestion. Quick Guide: 1. Input website URL. 2. Tap on Load button and wait to finish. 3. Next Step, Review URLs and remove unwanted URLs. 4. Start Crawl images by Tap on Crawl button. 5. After Finish, exist and go to the Library. 6. Tap on domain name and all images are listed. 7. All images can be saved to the camera roll. Note: Not all webpages/images can be crawled; for example, webpage/images containing complete code or Ajax may not be successfully crawled. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
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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
Redux
Firebase
Axios
React Navigation
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.
