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
NanoType - Keyboard for Watch
Type messages on your Apple Watch using a fully functional keyboard with NanoType.
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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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A product spec, screen plans, and build steps for your coding agent.
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What's included16 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 NanoType - Keyboard for Watch: map the core Productivity 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
Offer multiple layouts and themes for better user personalization.
Assumption to check: Limited keyboard layouts and customization options
Validate with people who use this workflow before building.
Hypothesis 2
Include multilingual support with customizable language packs.
Assumption to check: Lack of support for languages other than English
Validate with people who use this workflow before building.
Hypothesis 3
Implement smart features like predictive text and autocorrect for better typing efficiency.
Assumption to check: No predictive text or autocorrect features
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to integrate with messaging apps or cloud services.
Assumption to check: No integrations with other apps or services
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
Type messages on your Apple Watch using a fully functional keyboard with NanoType. Typing messages on Apple Watch can be chore - Scribble doesn't always work and Dictation isn't great in public spaces. With NanoType, you get a fully-fledged keyboard straight on your wrist, no awkward typos necessary! By adding a full QWERTY, AZERTY or QWERTZ keyboard to your Apple Watch, you can reply to iMessages quickly and privately. NanoType contains these great features: FULL KEYBOARD Add a full QWERTY, AZERTY or QWERTZ keyboard to your Apple Watch. Keys are easy to press and there’s support for key previews as you swipe along the keyboard. SENDING NanoType uses the built-in Apple Messages app on your Apple Watch to send messages to your contacts. Type out your message, tap the send button and you’ll be taken to the Messages app with your message ready to go! There's support for the Apple Mail app too so you can emails all from your wrist! OTHER CHARACTERS NanoType has full support for adding symbols, numbers and other special characters. EMOJI NanoType supports adding an unlimited amount of emoji to a single message! Simply tap the emoji icon to get started and pick from Apple’s library, or one of your most recently used ones. MESSAGE PREVIEW Before sending your message, just tap the text field to view a full preview of your message. HAPTICS Choose to receive Haptic Feedback on actions like key presses and button actions. COMPLICATION For quick and easy access, you can add the NanoType Complication to your Watch Face. Just tap and the keyboard will launch. CURSOR Whilst typing on the keyboard, you can see exactly where you are with the pulsing blue cursor. Use the Digital Crown to move the cursor's position. SETTINGS Customize NanoType your way. Access the Settings menu by using the options button on the keyboard and you’ll be able to change the layout, toggle haptics & more. If you like this app, I’d really appreciate it if you could take the time to leave a positive review! Having issues? Please get in touch: Email: [email protected] Website: https://adamfoot.dev Please note, a supported Apple Watch is required for full app functionality. NanoType supports sending messages via SMS & iMessage through the Messages app or email through the Mail app.
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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.
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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.
