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
Nexi AI
Meet Nexi - your personal AI assistant that helps you with anything, anytime.
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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/
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 Nexi AI: 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
Simplify the user interface to focus on essential features.
Assumption to check: Users often struggle with task management apps being too complex.
Validate with people who use this workflow before building.
Hypothesis 2
Implement an intelligent reminder system based on user behavior.
Assumption to check: Many apps do not provide effective reminders.
Validate with people who use this workflow before building.
Hypothesis 3
Offer a transparent value proposition and trial period.
Assumption to check: Users dislike subscription models without clear value.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance project management features with intuitive categorization.
Assumption to check: Difficulty in organizing tasks by projects.
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
Meet Nexi - your personal AI assistant that helps you with anything, anytime. WHAT CAN NEXI DO? - Answer Questions - Get instant, accurate answers on any topic - Analyze Images - Take a photo or upload an image for AI analysis - Analyze Documents - Upload PDFs, Word docs, and text files - Create Documents - Generate reports, templates, and more - Voice Input - Just speak and Nexi will respond - Export Content - Download conversations as PDF, Word, or Text WORKS FOR EVERYONE Whether you are a student, professional, business owner, or just curious - Nexi is here to help with: - Research and homework - Writing and editing - Business documents - Creative projects - General knowledge - And much more FEATURES - Smart AI powered by advanced language models - Camera and photo library support - Document upload and analysis - Voice input - Conversation history - Export to PDF, Word, Text - Clean, intuitive interface - Dark mode design SUBSCRIPTION Nexi AI offers a Premium subscription for $1.99/month with unlimited AI questions. Free users get 10 questions per day. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage subscriptions in your Account Settings. Privacy Policy: https://nexi-ai.net/privacy Terms of Use: https://nexi-ai.net/terms Download Nexi AI today and experience the power of AI in your pocket!
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
Supabase
React Navigation
Zustand
React Native Paper
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.
