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.
Type Nine brings classic T9-style typing to your iPhone with a retro phone keyboard built for fast, private, one-handed texting.
$3.99 · 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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Generating… usually about a minute.
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 Type Nine - T9 Keyboard: 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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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: Limited customization options for keyboard layout and appearance
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Performance issues when showing predictive suggestions
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent behavior of auto-correct feature
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficulties in switching to and from the keyboard
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.
Type Nine brings classic T9-style typing to your iPhone with a retro phone keyboard built for fast, private, one-handed texting. Remember when texting felt simple? Type Nine reimagines the old-school phone keypad for modern iPhone users — combining the familiar 3x4 T9 keyboard layout with smart predictions, swipe gestures, personalization, themes, and privacy-first design. Whether you miss classic phone texting, want a simpler iPhone keyboard, prefer one-handed typing, or just want something different from the standard touchscreen keyboard, Type Nine gives you a clean, fast, nostalgic way to type. WHY PEOPLE LOVE TYPE NINE • Classic T9-style keyboard layout Type with a familiar phone keypad inspired by the keyboards many of us grew up with. • Fast one-handed typing The compact keypad layout makes it easy to text with one hand, whether you are walking, commuting, holding coffee, or multitasking. • Smart word predictions Type Nine suggests words as you type, helping you write faster with fewer taps. • Automatic language detection Type Nine can suggest words from multiple languages at the same time, so you do not need to constantly switch keyboards while typing. • Swipe typing with a keypad Type Nine combines a classic keypad layout with swipe-style movement for a modern typing experience. • Personal word learning When you manually type a word that is not in the dictionary, Type Nine can remember it and adapt to the words you use most. • Private by design Type Nine does not collect your personal data. Your typing stays yours. • VoiceOver support Type Nine was built with accessibility in mind and can be a helpful alternative keyboard for VoiceOver users. • Custom themes and colors Personalize your keyboard with different visual styles and make your iPhone feel more like your own. • Emojis, cursor movement, deletion, and more Type Nine includes the everyday keyboard tools you expect, rebuilt around a simple keypad experience. A RETRO KEYBOARD FOR MODERN TEXTING Type Nine is more than a nostalgia app. It is a practical alternative iPhone keyboard for people who want a faster, simpler, more personal way to text. Use Type Nine for: • Text messages • iMessage • WhatsApp • Telegram • Notes • Email • Social apps • Everyday typing across your iPhone OLD-SCHOOL FEEL. NEW-SCHOOL EASE. Type Nine gives you the feeling of classic phone texting with the flexibility of a modern iPhone keyboard. It is ideal for people who: • Miss old phone keyboards • Want a retro keyboard for iPhone • Prefer T9-style typing • Like one-handed texting • Want a simpler keyboard layout • Care about privacy • Want a keyboard that feels different • Use multiple languages • Want customizable themes • Prefer a keypad over a full QWERTY layout TEXT LIKE IT’S FUN AGAIN Typing on a phone used to feel simple, fast, and satisfying. Type Nine brings that feeling back — with a modern keyboard experience designed for today’s iPhone. Download Type Nine and bring back the classic T9 keyboard experience. BASIC IS BACK
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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.