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.
take control of the speed of your videos
$9.99 · 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 Flow Speed Control 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: Limited speed control options for advanced users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of cloud storage for saved videos
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No batch editing feature
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface can feel cluttered
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.
take control of the speed of your videos. flow let you manipulate time and give you new perspectives on your recorded moments. you can gradually speed up or slow down segments of your videos creating impressive effects. flow is intuitive and super easy to use, just add and move the control points up and down so that the video can go gradually faster or slower than its natural speed. features • capture amazing moments combining different speeds on-the-fly and perfect it later with innovative time remapping options. • edit the speed of videos recorded with any type of camera, there are many ways to import your videos, including directly from your gopro or using itunes, icloud drive and many others. • flow can gradually slow down or speed up any videos up to 24x, combine different speeds adding as many speed control points as you need. • create elaborated projects with one or multiple videos and customize each element with a different settings. • there are many tools available for editing such as trimming, cropping, rotating and others. • flow supports recording, importing and exporting videos in ultra-high definition "4k". • you can even edit professional slow motion videos recorded up to 1000fps. • instant project preview, watch your production without any waiting time. • videos created with flow will play exact same way on every device, perfect for sharing. • stylize your videos with professional color controls and more than 40 unique filter effects. • the audio of the video will match the video speed, creating a cool effect on voices and other sounds. • publish directly to social media such as facebook, instagram, youtube and others. • have fun playing in videos in reverse and sharing with your friends. • rotate videos you recorded in the wrong orientation. • save the best scenes of your videos as images. • crop videos to square format. • flow includes a handy extension to edit videos directly from photos app. • use your apple watch as a remote control when recording with flow. have any questions? contact us at [email protected] for more information, visit https://www.flowspeedcontrol.com follow us on social media @flowspeedcontrol
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.