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
QWERTY mini Wide for English
Thank you for visiting our store.
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
1 ratings · Below Average
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 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 QWERTY mini Wide for English: 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 more advanced features like themes and shortcuts.
Assumption to check: Limited customization options compared to other keyboard apps.
Validate with people who use this workflow before building.
Hypothesis 2
Design a cleaner, more straightforward layout.
Assumption to check: User interface feels cluttered and hard to navigate.
Validate with people who use this workflow before building.
Hypothesis 3
Provide a comprehensive onboarding tutorial.
Assumption to check: Inadequate instructions for new users on using customization features.
Validate with people who use this workflow before building.
Hypothesis 4
Include multi-language support and easy switching.
Assumption to check: Lacks support for multiple languages in keyboard layouts.
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
Thank you for visiting our store. We sincerely appreciate your feedback and will do our best to update and improve any areas that may be lacking. QWERTY mini works as a local keyboard. No data is collected. Unlike standard QWERTY (26 keys), QWERTY mini reduces the layout to just 16 keys in 2 rows, keeping typing natural and efficient. Main Features Double tap: easily input the second character of each key. Simultaneous tap: quickly input the first or second character using 4 edge keys. (Example: O + T/G = T, L + T/G = G) Why not standard QWERTY? (26 keys) Designed for typewriters and ten-finger typing, the QWERTY keyboard has too many small keys on smartphones. This causes frequent typos, slower typing speed, and high finger fatigue. QWERTY mini solution (16 keys) Key size increased by 66% (25% wider, 33% taller) Comfortable thumb movement on mobile screens Faster typing with fewer errors Note International patent application (PCT/KR2025/099177), published under WIPO.
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.
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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.
