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
DualShot Pro Camera
DualShot Pro Camera lets you record vertical and landscape video at the same time, from a single take
$6.99 · In-app purchases
PRICE
$6.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.4
5 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.
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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/
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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 DualShot Pro Camera: 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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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
Add more editing tools and filters.
Assumption to check: Limited editing features compared to advanced apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement image optimization techniques.
Assumption to check: Performance issues with high-resolution images
Validate with people who use this workflow before building.
Hypothesis 3
Provide onboarding tutorials for new users.
Assumption to check: Lack of user tutorials or help sections
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
DualShot Pro Camera lets you record vertical and landscape video at the same time, from a single take. One tap captures both — ready for Reels, TikTok, and YouTube cinematic edits without ever shooting twice. Built for filmmakers, vloggers, and content creators who move fast and ship across formats. Over 30 professional cinematographer features in a single camera app. — SIMULTANEOUS DUAL CAPTURE — Record 9:16 portrait and 16:9 landscape video at the same time, from the same scene. No more reshoots. No more compromise. Both formats, perfectly framed, every take. — PROFESSIONAL VIDEO PIPELINE — - Dolby Vision HDR with 10-bit HEVC Main10 and Rec.2020 HLG color space - Apple Log capture for full color grading control in Final Cut Pro and DaVinci Resolve - 4K resolution at 24, 25, 30, 50, and 60 fps with PAL standards for European and broadcast workflows - ProRes encoding for cinema-grade post-production workflows - Video stabilization across all recording modes, including cinematic and dual-camera - Real-time HDR and Apple Log toggles in the main UI - Configurable color profiles per session - Frame rate selection per recording session - Cinematic dynamic range output straight from your iPhone — STUDIO-GRADE AUDIO — - Linear PCM audio passthrough at 48kHz sample rate - Reliable audio session management across all recording modes - Synchronized audio capture in dual-camera mode — PROFESSIONAL PHOTO MODE — - 24MP photos with Deep Fusion and Smart HDR - Manual ISO and shutter speed with full EXIF accuracy - Bracketed exposure capture for precise manual control - WYSIWYG framing preview optimized for 19.5:9 displays - Quad-pixel sensor capture from 48MP hardware — MANUAL CINEMATOGRAPHER CONTROLS — - Manual ISO control during video capture - Manual shutter speed control - Manual white balance - Real-time depth control slider - Front and back camera modes - Wide and ultrawide lens selection - Frame-accurate exposure metering — INTELLIGENT HARDWARE DETECTION — - Automatic hardware capability detection for every iPhone Pro generation - Smart UI gating that disables incompatible configurations - Optimized presets for iPhone 15, 16, and 17 Pro models — PRODUCTION-READY RELIABILITY — - Camera warm-up gating for stable frame timing - Hardware-aware orientation handling in dual-camera mode - Stable audio session activation across recording modes - Persistent settings across app launches - Hardware Report — check your device's complete camera capabilities at a glance - Crash reporting for continuous stability monitoring - Push notifications for new feature releases — BUILT BY A FILMMAKER, FOR FILMMAKERS — DualShot Pro Camera is developed in Tokyo by Guillermo Alarcón, a member of the Japanese Society of Cinematographers. Every feature is engineered around real production needs — capture once, deliver everywhere. Optimized for iPhone 15 Pro, iPhone 16 Pro, and iPhone 17 Pro Max. Dual-camera mode requires devices with wide and ultrawide lenses (iPhone XS and later). Follow @future_vizion on Instagram for tips, sample workflows, and behind-the-scenes from real shoots.
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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
Redux
Axios
Firebase Storage
React Navigation
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.
