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.
Inspect any video one frame at a time.
$4.99
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 Scrubber Pro: 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: Watermarks on free tier
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Crashes on large files
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited filters
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.
Inspect any video one frame at a time. Video Scrubber Pro turns your phone into a precision review tool. Load a clip from your library, then step through it frame by frame — forward, backward, or at a steady inspection speed — and mark, annotate, capture and share whatever you find. WHO USES IT • Courtroom and evidence review — prepare and present footage for depositions, hearings and case review. Walk through dashcam, security or incident video frame by frame, mark the moments that matter, and export stills with the frame number burned into the image. • Ghost hunting and paranormal research — the original reason this app exists. Works alongside our Ghost Science Kit for anomaly hunting. • Coaches and athletes — break down a swing, a serve, a stride or a lift one frame at a time, then draw straight onto the frame to show exactly what to fix. • Debate, teaching and presentations — put the clip up on a television and drive the analysis from your phone while the room watches. • Social media creators — record a short reel of your own frame-by-frame breakdown, with the app's controls trimmed off automatically. • Anyone who needs to see what actually happened between two frames. FRAME-ACCURATE PLAYBACK • Step exactly one frame forward or back • Six speeds, from normal down to one frame every three seconds • Live time code and frame counter, so you always know where you are • Thumbnail timeline you can drag with one finger INSPECT • Pinch to zoom up to 12x, plus rotate and pan • Draw over the video in green to circle or point out detail • Face scanning sweeps the clip and marks frames containing faces MARK AND RETURN • Drop a mark on any frame and jump between marks with one button • Clear marks or drawings individually or all at once CAPTURE AND SHARE • Save the current frame exactly as it appears — zoom, rotation and annotations included — with the frame number stamped on • Save to Photos, share it, or send it to a wireless printer • Extract — mark a start and end frame and record just that section, at whatever speed you choose • Make Reel — record 15 or 30 seconds of your screen to share your analysis, with the controls trimmed off the finished video ON THE BIG SCREEN • Send a clean picture to a television over HDMI or AirPlay, with rotation and fill controls • Picture in Picture keeps the video playing while you use other apps A full user guide is built into the app under Settings ▸ Help. Your videos stay on your device.
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.