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
Vozi Play
Save a video, scrub to a moment, type a note — and Vozi Pro anchors it to that exact second
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 5.0
3 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 included15 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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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 Vozi Play: 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
Implement advanced filtering and sorting options.
Assumption to check: Users often feel overwhelmed by too many tasks
Validate with people who use this workflow before building.
Hypothesis 2
Add a feature for creating recurring tasks.
Assumption to check: Difficulty in managing recurring tasks
Validate with people who use this workflow before building.
Hypothesis 3
Enhance project features with Gantt charts or Kanban boards.
Assumption to check: Limited project management capabilities
Validate with people who use this workflow before building.
Hypothesis 4
Introduce shared projects and task assignments.
Assumption to check: Lack of collaboration tools
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
Save a video, scrub to a moment, type a note — and Vozi Pro anchors it to that exact second. Tap any note later to jump straight back. No more rewinding, scrubbing, or trying to remember where that one idea was. Built for students, lifelong learners, and anyone who takes notes from talks, lectures, or tutorials. WHAT YOU CAN DO: • Timestamped notes: Every note is tied to a moment. One tap returns you there. • Folders for any topic: Group videos by subject, project, or course. • Color tags: Mark key ideas, questions, or to-dos with five colors. • Favorite: Swipe to favorite. Your most-used videos stay one tap away. • Universal search: Find any note across every video instantly. • Home Screen widget: See your latest video and note count at a glance. • Share or export: Send a clean text export of your notes to study partners or yourself.
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
Supabase
@react-navigation/native
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.
