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.
Mavis Camera Classic is the original pro filmmaking and broadcast camera for the iPhone
$4.99 · 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 Mavis - Camera Classic: 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 editing features after capturing photos
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of cloud storage for photos
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No real-time filter previews
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.
Mavis Camera Classic is the original pro filmmaking and broadcast camera for the iPhone. It provides a classic landscape experience and includes filming tools such as focus peaking, waveform monitor, vectorscope, false color and zebras. It gives you audio controls, audio metering, custom resolutions, framerates and recordings formats. It also brings a natural interface to give you full flexible manual control while shooting. MAIN FEATURES: - Focus peaking and expanded focus for manual focus assist - Zebras and False Color exposure assist - Manual focus, exposure and color - HD, 2K and 4K recording - High bitrate, HEVC and ProRes encoding - Custom frame rates up to 240fps - Digital Zoom in 1080p - Dual camera support - Full screen mode - Custom audio inputs - Audio metering and manual audio gain control where available - Real-time audio passthrough for monitoring in headphones - Real-time full-scale vectorscope for color work - Real-time full-scale waveform monitor for exposure monitoring - Timecode - Support for UltraSync BLUE from Timecode Systems - Global Presets - Custom Function (FN) button - Multiple saving and sharing options - Apple Watch record start/stop remote - Support Docs SUPPORT FOR MULTIPLE RESOLUTIONS: - 4K (UHD) - 4K (4:3) - record at maximum camera resolution without audio - 2K (4:3) - HD CUSTOM FRAME RATES: - Presets available include 23.98fps, 24fps, 25fps, 29.97fps, 30fps, 50fps, 60fps - Select any frame rate from 3fps up to 240fps - Record up to 240fps in 1080p ADVANCED EXPOSURE CONTROLS - View shutter in angles and speed - Shutter lock (e.g. lock at 180°) - Separate target focus and exposure reticles FULL MANUAL CONTROLS FOR: - Focus - Exposure - ISO - Shutter - Color temperature SHOOTING ASSISTANTS: - Focus peaking and Expanded focus helps ensure your shots are always in focus - Waveform monitor helps you shoot with the optimum dynamic range - Vectorscope ensures your colors are consistent and your white balance is correct - Zebra overlay helps ensure your shots are never over exposed - False color support for Gradient and Ranges with full details about color representations - False color helps ensure your shots are never over/under exposed ENCODING BIT RATES: - 10Mbit/s (Make your storage last longer) - 20Mbit/s (Standard) - 30Mbit/s (High quality production) - 50Mbit/s (Great for post and color grading) - 100Mbit/s (Great for very high quality productions, color grades and visual effects) AUDIO CONTOL: - Custom external inputs - Select external audio input from Lightning connector or analog input - Stereo audio from Lightning connected inputs - Internal mic selection and polar pattern - Manual gain control where available - Audio pass-through/monitoring with headphones - VU metering VIEWFINDER SUPPORT: - Recording Tally - De-Squeeze support for Moondog Anamorphic Lens - Image flip support for DOF adaptors - Support for different aspect ratios in the viewfinder - Support for guide overlays in viewfinder THIRD PARTY SUPPORT - Support for Timecode Systems UltraSync BLUE Device restrictions apply.
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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.