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
EasyTunnel
EasyTunnel is the iPhone-first SSH client for developers and sysadmins — a full terminal, local port forwarding you can actually browse in-app, an SFTP file manager, and a code editor, in one beautifully simple app
$6.99 · In-app purchases
PRICE
$6.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
3 ratings · Top 5%
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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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 EasyTunnel: map the core Developer Tools 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
Allow users to customize settings more extensively.
Assumption to check: Limited customization options for tunnels
Validate with people who use this workflow before building.
Hypothesis 2
Implement a guided tutorial for first-time users.
Assumption to check: No clear onboarding process
Validate with people who use this workflow before building.
Hypothesis 3
Enhance error handling and provide troubleshooting tips.
Assumption to check: Occasional connectivity issues
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a dashboard for monitoring tunnel performance and usage.
Assumption to check: Lack of detailed analytics and monitoring
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
EasyTunnel is the iPhone-first SSH client for developers and sysadmins — a full terminal, local port forwarding you can actually browse in-app, an SFTP file manager, and a code editor, in one beautifully simple app. No accounts, no subscription, nothing leaves your device. THE DEMO THAT NEEDS A REAL PHONE Built a web app that uses the microphone or camera? Forward its port and open localhost right inside EasyTunnel's browser. Because it's genuine loopback, iOS treats it as a secure context — so getUserMedia just works. The mic goes live, the camera turns on. No certificates, no third-party tunnels, no drama. WHAT'S INSIDE • Full SSH terminal — a real interactive terminal with an on-screen key bar for esc, ctrl, and arrows. Light or dark, following your theme. • Local port forwarding — set up ssh -L forwards and open several at once. Reach services behind your SSH host as if they were local. • Built-in web view — browse a forwarded app at localhost without leaving EasyTunnel. Camera and microphone work, because loopback is a secure context. • SFTP file browser — browse, upload, download, rename, create folders, and delete remote files. Preview text and images with pinch-to-zoom. • Code editor — edit remote files with syntax highlighting and a Markdown preview, then save straight back over SFTP. • Flexible auth — password, private key (ed25519 & ECDSA), or keyboard-interactive for 2FA and one-time codes, with a reusable key library. • Host-key pinning — trust-on-first-use pins each server's key and warns you if it ever changes, protecting against man-in-the-middle attacks. • Sessions that survive — quick app-switches stay connected, sessions auto-reconnect when you return, and idle sessions can bow out on their own. • Live Activity — keep an eye on the live session and its forwards from your Lock Screen and Dynamic Island. • Quick Connect — fire off an ad-hoc session without saving anything, or keep tunnels on a dashboard that shows what's live at a glance. PRIVATE BY DESIGN No accounts. No telemetry. Credentials live in the iOS Keychain and never leave your device. One-time purchase — no subscription. EasyTunnel keeps SSH, port forwarding, and file transfer simple on iPhone.
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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
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Axios
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BUILD KIT DIFFICULTY
Advanced
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.
