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.
Use Video Compressor - HD, to compress your videos and reduce their file size.
$1.99
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 Video Compressor - HD: 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 video formats supported.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No preview of video after compression.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Compression speed can be slow.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of user guidance or tips.
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.
Use Video Compressor - HD, to compress your videos and reduce their file size. Precisely control the dimensions, frame rate and quality to achieve the perfect result. The key points of the application: • Reduce the size to a minimum before sending the video online or sharing it by email. • Real-time estimation of the file size of the destination video, with the ability to preview the result. • Simply use the sliders, or access more options if necessary. • Delete hidden pixels if your video contains them ( "Clean Aperture" information). • Impose a square pixel format to get a smaller video. • If your device supports it, choose to re-encode your video in HEVC format taking half as much space as H264 format. • Choose a specific bitrate if necessary. • Reduce the dimensions, but also increase them if necessary. • Reduce the frame rate, but also increase it if necessary. • Exclusive functionality of a single frame mode to display only one frame in the video. The Input video can be imported from your device in several ways. The modified version (if there is one) or the original version of the video are both available. The camera can be used directly to record a video if needed. You can also connect your device to your computer in order to drag and drop specific videos (Files feature). The output video can be exported in several ways. Create a new video in the Photo app or in the Files app. Directly modify the input video by adding an edited version. Share the video to another application. This application can run, on your iPhone and your iPad, as a standalone application, a Photo Extension, or as an Action Extension (from the compatible applications like the Photo app). Portrait and Landscape orientations are supported in all screens. Dark mode of iOS13 is supported. You will find the original and intuitive user interface, common to all our videos applications. These applications have been featured many times by Apple and various websites.
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.