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
Multi Video Player Plus
Multi Video Player plays multiple videos at once, play up to 9 video clips at the same time
$3.99 · In-app purchases
PRICE
$3.99
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 included17 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 Multi Video Player Plus: 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 a broader range of supported video formats.
Assumption to check: Limited video format support
Validate with people who use this workflow before building.
Hypothesis 2
Enhance offline functionality and download management.
Assumption to check: Poor offline support
Validate with people who use this workflow before building.
Hypothesis 3
Add multiple user profiles for personalized experiences.
Assumption to check: Lack of user profiles
Validate with people who use this workflow before building.
Hypothesis 4
Integrate Chromecast and AirPlay for better streaming options.
Assumption to check: No Chromecast support
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
Multi Video Player plays multiple videos at once, play up to 9 video clips at the same time. And it is a great tool for security footage check back or for the video comparison check. Features: • Play and Preview multiple videos quickly. • Play video at speed 0.5x [slow motion], 1.0x [normal], 2.0x, 4.0x or 8.0x. • Standard Play, Pause or Stop video function. • Video mode 2, 3, 4, 6 or 9 available. • Individual video timer are shown. • Option to set playback aspect ratio fix or fill. • Option to hide all button or text for better preview/playback. • Option to set individual clip audio on or off. • Supported both portrait and landscape mode. How to Use: 1. Press the [ + ] Plus button and load videos from the library. 2. And the videos are played automatically. -- Usage -- • Review security/CCTV footage with fast playback. • Compare multiple video clips side by side. • Watch two shows, dramas, or sports events simultaneously. • Analyze gameplay videos to improve performance. • Compare different camera angles from the same event or shoot. • Monitor multiple video sources from surveillance systems. • Review time-lapse videos together for visual progress comparison. • Compare before-and-after videos for editing or restoration work. • Watch training videos alongside reference materials. • Play multiple music videos at once for fun visual effects. • Use for filmmaking or video editing review sessions. • Study motion or choreography by watching different performances. • Compare various versions of the same video (e.g., different resolutions or edits). • Use creatively in presentations or exhibitions for a dynamic video wall effect. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
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
@react-native-async-storage/async-storage
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.
