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.
gterm is a real terminal for iOS
$1.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for gterm: Ghostty SSH: 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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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
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Poor performance
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
gterm is a real terminal for iOS. It renders with Ghostty's GPU engine for true xterm/VT emulation, connects straight to your servers over SSH, keeps your keys on device, and ships an AI command assistant that writes the commands for you. It's the same renderer and VT parser as the Ghostty desktop app. iOS can't fork/exec a local shell, so gterm drives the terminal straight from the SSH stream through a custom passthru IO backend added to libghostty — giving you a real terminal in a sandboxed iOS surface. GPU-RENDERED TERMINAL Real xterm/VT emulation via Ghostty's libghostty, drawn on Metal. Colors, ligatures, and reflow that feel native — not a web shim. SSH-NATIVE Connects with swift-nio-ssh — password and public-key auth, a PTY shell, live window resizing, and trust-on-first-use host-key verification. KEYS STAY ON DEVICE Import Ed25519 / ECDSA private keys into the iOS Keychain — device-only, never synced. Pick one or more keys to try per host. SHELL-GRADE KEYBOARD A custom accessory keyboard with the keys iOS forgets — Esc, Ctrl, Alt, Tab, arrows, and sticky modifiers for real TUI navigation. AI COMMAND ASSISTANT Describe what you want in plain English. The AI reads your recent commands and visible screen, proposes a command, and shows it to you for review before it runs. AI AUTO-COMPLETION As you type, suggestions surface above the keyboard — from your history and from your provider. Bring your own key; it's stored masked in the Keychain. Open source: https://github.com/madeye/gterm
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.