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
Guma-AI Photo Video Editor
AI Video
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
982 ratings · Top 30%
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Guma-AI Photo Video Editor: map the core Graphics & Design 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
Allow users to customize video styles and elements more freely.
Assumption to check: Limited customization options for generated videos
Validate with people who use this workflow before building.
Hypothesis 2
Create a more user-friendly experience for upselling premium features.
Assumption to check: In-app purchase prompts may be intrusive
Validate with people who use this workflow before building.
Hypothesis 3
Optimize generation speed and provide progress feedback to users.
Assumption to check: Video generation can be slow
Validate with people who use this workflow before building.
Hypothesis 4
Implement social sharing and community engagement features.
Assumption to check: Lack of community features
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
AI Video Create high-quality, creative videos in just a few seconds using only a short text description. Enter your idea, and let AI automatically generate videos with realistic motion, effects, and music. Perfect for social media, marketing, or personal projects. AI Image Generate stunning, unique images from just a few words. Describe your idea, and AI will instantly transform it into detailed artwork, illustrations, or realistic photos. Ideal for creative projects, content creation, and visual storytelling. Photo Dance Turn a single photo into a trending dance video! Choose from a variety of stylish dance moves paired with popular music. Upload a photo and let AI animate it, creating fun, shareable videos. Daily updates ensure you stay on top of the latest trends. 【Auto-Renewal Membership】 1.Subscription Service: Continuous (Weekly / Yearly) Membership 2.Subscription Period: One week / One year. Enjoy full access to all templates and member features during the period. 3.Payment: Charges are made via your Apple iTunes account upon confirmation. 4.Cancel Subscription: To stop auto-renewal, turn off at least 24 hours before the period ends. If not canceled in time, it will renew automatically. 5.Renewal: Apple will automatically charge your iTunes account 24 hours before expiration. Successful payment extends your membership for another cycle. Privacy Policy： https://platform-api.picut.fun/static/link/privacy_policy.html Auto-Renewal Membership Agreement： https://platform-api.picut.fun/static/link/Membership-Service-Agreement.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
Supabase
Zustand
React Navigation
expo-video
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.
