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
Hiddify Proxy & VPN
Hiddify is an open source software available in https://github.com/hiddify/Hiddify-app with more than 26K stars in Github.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
771 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 included18 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Hiddify Proxy & VPN: map the core Utilities 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 better server selection algorithm and connection retry mechanism.
Assumption to check: Connection stability issues
Validate with people who use this workflow before building.
Hypothesis 2
Provide more free options or a trial period with advanced features.
Assumption to check: Limited free features
Validate with people who use this workflow before building.
Hypothesis 3
Integrate a chatbot for immediate assistance.
Assumption to check: Slow customer support response
Validate with people who use this workflow before building.
Hypothesis 4
Create a more transparent pricing structure and FAQs.
Assumption to check: Unclear subscription terms
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
Hiddify is an open source software available in https://github.com/hiddify/Hiddify-app with more than 26K stars in Github. The key goal of Hiddify is to provide a secure, user-friendly and efficient tunnelling client. It enables you to route all traffic to a remote server of your choose, utilising VPN-Service permission. Note: We do not provide any server; users are required to ensure their online activities stay private by using use their own self-hosted server or trusted servers. We support servers with: - Hiddify Profile - Normal V2ray/Xray Connection Profile Link - Clash Connection Profile Link - Sing-Box Connection Profile Link What is our unique features? - User Friendly - Optimized and Fast - Automatically select LowestPing , LoadBalance - Show user usage information - Easily import sublink by one click using deeplinking - Free and No ADS - Easily switch user sublinks - more and more Support: - XHTTP, Mieru, Naive, Wireguard - All Protocols supported by Sing-Box - VLESS + xtls reality, vision - VMESS - Trojan - ShoadowSocks - Reality - V2ray - Hystria2 - TUIC - SSH - ShadowTLS
Written user reviews are not shown here. Check current App Store reviews >
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
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Axios
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React Native Gesture Handler
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.
