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
Mobile Web Server
Mobile Web Server app is a Lightweight, Fast and Simple HTTP Web Server
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
6 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.
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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 included14 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 Mobile Web Server: map the core Lifestyle 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
Introduce advanced file handling like cloud integration.
Assumption to check: Limited file management options.
Validate with people who use this workflow before building.
Hypothesis 2
Implement HTTPS for secure connections.
Assumption to check: No HTTPS support.
Validate with people who use this workflow before building.
Hypothesis 3
Add onboarding and tutorials.
Assumption to check: Minimal user guidance.
Validate with people who use this workflow before building.
Hypothesis 4
Create a more user-friendly server management interface.
Assumption to check: Server management is not intuitive.
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
Mobile Web Server app is a Lightweight, Fast and Simple HTTP Web Server. We can show our device's content on a web page. The web page can be displayed on any platform as long as we have installed web browser. However, the content has a "download link" button and a "copy link" button that make convenience for us. If there is not enough, we also can make our customised html content by sending a html file to the Mobile Web Server app. Mobile Web Server app 是一个轻量级、快速和简单的 HTTP 网络服务器。 我们可以在网页上显示我们设备的内容。 只要我们安装了网页浏览器，网页就可以在任何平台上显示。 内容有一个“下载链接”按钮和一个“复制链接”按钮，为我们提供了方便。 如果还不够，我们还可以通过向Mobile Web Server app 发送 html 文件来制作我们自定义的 html 内容。 Mobile Web Server app adalah Pelayan Web HTTP Ringan, Cepat dan Mudah. Kami dapat menunjukkan kandungan peranti kami di laman web. Halaman web dapat dipaparkan di platform mana pun selama kita memasang penyemak imbas web. Namun, kandungannya mempunyai butang "pautan muat turun" dan butang "pautan salin" yang memudahkan kami. Sekiranya tidak mencukupi, kami juga dapat membuat kandungan html kami yang disesuaikan dengan mengirimkan fail html ke Mobile Web Server app. Guide to use 1. Install the APP 2. Connect to WIFI 3. Start the Mobile Web Server 4. Select a HTML, video or Image file from mobile device 5. Open the URL on the browser or scan QRCode * Share files without the Internet Just use WIFI to start sharing images and video files * Lightning fast speed Just like browsing web content on local environment * Transfer files between all iOS, mobile, Desktop devices Just install one server. Multiple client no need install App * The Ad-Free mobile web server in market Just keep it ad-free to serve better service
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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
React Navigation
Axios
react-native-async-storage
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.
