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.
100VJ is a versatile VJ tool for both beginners and advanced users.
$3.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for 100VJ: map the core Photo & Video workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited effects and music options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Performance issues with larger video files
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited sharing options
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
100VJ is a versatile VJ tool for both beginners and advanced users. Connect a projector or monitor via HDMI or AirPlay and start VJing immediately. Designed for real-time visual performance, from simple setups to complex live systems. Key Features Asset & Media Handling • Smooth synchronization with the system photo library • Import from Files app • Asset launcher for saving and loading channel configurations Effects System • Chainable multi-layer effects • Parametric effects • Audio-reactive effects • BPM-synced effects • Core Image filters Channel-Based Architecture • Channels support video, image, GIF, real-time sources, effects, and filters • Per-channel blend, colorize, and transform controls • Multi-layer channel slots with compute resource limits • Drag and drop reordering and saving to the asset launcher • Tap to select, long-press to lift, drag and drop channel previews • Load assets to the selected channel with a single tap Animatable Controls • Fully animatable sliders • Control via MIDI, LFO, audio input, device motion, and more Live Input Sources (Playables) • Camera input • Aether client to use another 100VJ on the local network as an input source • Text rendering • Countdown display Projection Mapping • Perspective transform for external output • Supports AirPlay and external display adapters • DMX artnet RGBMapping. • Laser output from video contour conversion (beta, currently supports LaserCube WiFi only) Output & Recording • Up to 4K output (external output capability required via AirPlay or USB-C) • Real-time output recording • Transition effects and slideshows Sync & Control • Automatic BPM detection from microphone input and auto switcher • MIDI and Network MIDI control • Resolution, frame rate, and advanced settings (Long-press or double-tap the gear icon to open the settings screen) Wireless & Network Features • NDI Sender • Aether real-time server for sending to other 100VJ instances • Syphon support (requires a Mac with Aether Syphon installed) • High-speed send and receive via USB or LAN (Bonjour or mDNS required) Premium Plan • ArtNet DMX controller • Control LED bars and PAR lights over the network • 8ch Mode Performance & Architecture • Fully Metal-based rendering pipeline • Multi-threaded architecture using async and await • Rendering is isolated from UI operations for stable output • Atomic rendering with prioritized async updates such as animatable sliders • Reduced CPU usage compared to version 4, even with increased UI and processing complexity Notes • Instructions for previous versions (version 4 and earlier) are available on the support page • A user forum is available for feedback and discussion Support and Information https://sites.google.com/view/100vj/home Legal and Credits • App Store screenshots use Beeple’s VJ loops (Creative Commons licensed) https://www.beeple-crap.com • 100VJ does not claim copyright over content created with the app • Please ensure proper rights for all assets used Terms of Service https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://sites.google.com/view/100vj/privacy-policy
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.