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
KITT - The real one
*** K.I.T.T
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.3
214 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 included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 KITT - The real one: map the core Entertainment 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
Implement advanced NLP to improve voice understanding.
Assumption to check: Limited voice command recognition accuracy
Validate with people who use this workflow before building.
Hypothesis 2
Streamline UI/UX for better navigation and readability.
Assumption to check: User interface is cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Introduce customizable profiles and settings for users.
Assumption to check: Lack of personalization features
Validate with people who use this workflow before building.
Hypothesis 4
Ensure all features are consistently accessible and functional.
Assumption to check: Inconsistent feature availability
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
*** K.I.T.T. 2.0 is here! check "what's new in this version" below to learn about new features and improvements! *** # Best 2013 Italian App (Entertainment) - macitynet.it # Among the top 100 apps of the year - App Store Rewind 2011 (Italy) The wait is over: K.I.T.T. is finally on iOS! Attention: The speedometer is obtained by rotating the device to the right Attention: this is not a soundboard. Now, you can talk to K.I.T.T. and he'll answer you in his own voice! The fun and personality of K.I.T.T. lives on in this never-before-seen app! Seeing (and hearing) is believing. ******** Inside K.I.T.T. you'll also find lots of information about this fantastic TV series: the characters, the actors, curiosities and much more, and everything is in high-definition, thanks to Retina display support! This is the definitive app for all K.I.T.T.'s fans or anyone who just wants to chat with the most famous talking car ever! ******** IMPORTANT: iPod Touch 1st, 2nd and 3rd generation owners will need an external microphone in order to talk to K.I.T.T.. For more info, please check the instructions inside the app. _________________________________________ We welcome your feedback about K.I.T.T., so we can continue to tweak and improve it according to your needs. Use the link within the application or visit our website: we really want to know what you think!
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.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
React Navigation
axios
expo-voice
BUILD KIT DIFFICULTY
Intermediate
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.
