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
ProMovie Recorder +
ProMovie Recorder is a feature-rich yet easy-to-use video camera App for your iPhone and iPad
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
2,977 ratings · Top 15%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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 ProMovie Recorder +: 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
Provide guided tutorials and preset configurations.
Assumption to check: Complex manual controls can be overwhelming for beginners.
Validate with people who use this workflow before building.
Hypothesis 2
Integrate more advanced editing tools and filters.
Assumption to check: Limited video editing features compared to dedicated editing apps.
Validate with people who use this workflow before building.
Hypothesis 3
Streamline UI and improve layout for better usability.
Assumption to check: User interface may feel cluttered with too many options.
Validate with people who use this workflow before building.
Hypothesis 4
Clarify paywall and offer more transparent information on benefits.
Assumption to check: In-app purchases can be confusing regarding what features are locked.
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
ProMovie Recorder is a feature-rich yet easy-to-use video camera App for your iPhone and iPad. Take control of exposure, focus, frame rate, and every other aspect of video recording right at your fingertip. Take full advantage of your device's videography capability and create professional clips. • 4K video recording (up to 120FPS) ¹. • 1080p video recording (up to 240FPS) ². • Manual camera control for exposure, shutter speed, ISO, focus, and white balance. • High-quality video recording with up to 224Mbps bitrate. • Switch between Ultra Wide, Wide, and Telephoto cameras ³. Audio features: • External microphones (Lightning/3.5 mm headphone jack ⁴/Bluetooth). • Stereo audio recording *. • Audio monitoring through headphones and Bluetooth headphones. • On-screen audio level indicator. • Audio gain control *. • Supported audio formats: 256 Kbps AAC, 16-bit PCM. Camera control: • Separate Exposure Point and Focus Point. • Exposure compensation. • Manual control/parameter lock for: - Shutter Speed/ISO - Color Temperature - Focus • White balance presets. • White balance calibration with gray cards. Supported accessories: • 2.4:1 anamorphic adapters. • Video rotation/flip for lens accessories. • External displays connected via Lightning-to-HDMI/VGA adapters. • Bluetooth remote *. Other features: • Grids and cropping guides for easier composition. • Full-screen modes. • Level (tilt indicator). • Both HEVC and H.264 encoding *. • Standard and Cinematic stabilization mode. ¹ 4K @30FPS: iPhone 6s/6s Plus/SE and newer, iPad (2022), iPad Mini (2021 and newer), iPad Air (2020 and newer), iPad Pro 9.7-in., iPad Pro 10.5-in., iPad Pro 12.9-in. (2017 and newer), iPad Pro 11-in. (all models), iPad Pro 13-in. 4K @60FPS: iPhone 8/8 Plus/X and newer, iPad (2022), iPad Mini (2021 and newer), iPad Air (2020 and newer), iPad Pro 12.9-in. (2018 and newer), iPad Pro 11-in. (all models), iPad Pro 13-in. 4K @120FPS: iPhone 16 Pro/16 Pro Max/17 Pro/17 Pro Max. ² 1080p @30FPS: iPhone 5s and newer, iPad (2017 and newer), iPad Mini (2013 and newer), iPad Air (all models), iPad Pro (all models). 1080p @60FPS: iPhone 6/6 Plus/SE and newer, iPad (2022), iPad Mini (2021 and newer), iPad Air (2020 and newer), iPad Pro 9.7-in., iPad Pro 10.5-in., iPad Pro 12.9-in. (2017 and newer), iPad Pro 11-in. (all models), iPad Pro 13-in. 1080p @120FPS: iPhone 6s/6s Plus/SE and newer, iPad (2022), iPad Mini (2021 and newer), iPad Air (2020 and newer), iPad Pro 9.7-in., iPad Pro 10.5-in., iPad Pro 12.9-in. (2017 and newer), iPad Pro 11-in. (all models), iPad Pro 13-in. 1080p @240FPS: iPhone 8/8 Plus/X and newer, iPad (2022), iPad Mini (2021 and newer), iPad Air (2020 and newer), iPad Pro 12.9-in. (2018 and newer), iPad Pro 11-in. (all models), iPad Pro 13-in. ³ For iPhone and iPad models with Ultra Wide and/or Telephoto cameras. ⁴ Depending on your iPhone/iPad model and microphone connector, some of the following adapters may be required: • TRS to TRRS adapter • Lightning to 3.5 mm headphone jack adapter • USB-C to 3.5 mm headphone jack adapter * For supported devices only. Contact us: [email protected]
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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.
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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.
