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
VoKit - Image Effects Creator
VoKit is an AI-powered creative app that lets you transform photos and videos into eye-catching, share-worthy content — all in just a few taps.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
1,464 ratings · Top 15%
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 included18 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 VoKit - Image Effects Creator: map the core Utilities 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
Include a wider variety of effects and user-driven content creation
Assumption to check: Limited effects and filters compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement user-friendly prompts for upgrades after multiple uses
Assumption to check: In-app purchase prompts can be intrusive
Validate with people who use this workflow before building.
Hypothesis 3
Optimize image processing and loading times for better user experience
Assumption to check: Performance issues with large images
Validate with people who use this workflow before building.
Hypothesis 4
Add features for sharing edited images directly to social media platforms
Assumption to check: Lack of social sharing options
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
VoKit is an AI-powered creative app that lets you transform photos and videos into eye-catching, share-worthy content — all in just a few taps. Whether you want to animate a still photo, replace characters in a video, try fun AI filters, or create entertaining face-swap clips, VoKit gives you powerful tools wrapped in a simple, intuitive experience. What You Can Do with VoKit? Photo to Video Bring static images to life. Turn a single photo into dynamic, animated videos powered by advanced AI. Character & Face Replacement Swap faces or replace characters in videos smoothly and naturally. Perfect for fun, creativity, and social content. AI Filters & Effects Explore a growing collection of AI filters and styles — cinematic, artistic, playful, and more. Fast & Easy No editing skills required. Upload, choose an effect, and let VoKit do the magic in seconds. Made for Fun & Creativity VoKit is built for entertainment, creativity, and self-expression. Create content for social media, memes, short videos, or just for fun with friends. Privacy First Your content is processed securely and used only to deliver the features you choose. You stay in control of your creations. Why VoKit? • AI-powered video creation • Simple, beginner-friendly design • High-quality, realistic results • New effects added regularly Download VoKit today and start creating videos that stand out. 【Auto-renewal Service Description for VoKit Membership】 Membership Benefits • Enjoy exclusive membership privileges, including AI video creation, style template making, unlimited saves, ad-free experience and more. Subscription Periods • Weekly (Continuous Weekly Membership), 12-Month (Continuous Annual Membership). Subscription Prices • Continuous Weekly Membership: $7.99 per week; Continuous Annual Membership: $39.99 per year. Payment Method • Payment will be charged to your iTunes Account upon confirmation of purchase. Cancellation of Renewal • To cancel auto-renewal, you must manually turn off the auto-renewal function in your iTunes/Apple ID settings at least 24 hours before the end of the current subscription period. Renewal Rules • Your Apple iTunes Account will be charged 24 hours prior to subscription expiration. Upon successful payment, the subscription period will be automatically extended by one billing cycle. Terms of Service:https://web.vokitai.com/static/IOS_Team_of_Service.html Privacy Policy:https://web.vokitai.com/static/IOS_Privacy_Policy.html
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
expo-image-picker
react-native-reanimated
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.
