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.
This app can add non-forged date, time, location and GPS watermark on photo and video
$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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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 Timestamp Camera EnterprisePro: 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 editing features compared to full-fledged photo editors.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Occasional crashes during high-resolution video recording.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty in sharing photos/videos directly to social media.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Watermark on free version may deter users.
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.
This app can add non-forged date, time, location and GPS watermark on photo and video. By getting the current time from the network, the photo and video will still have a watermark of true time even if the user changes the time of the phone. This app can be used in a variety of occasions which need true time and location, such as the work report of the construction site , traffic accident scene, goods transfer, private detective work, evidence of borrowing items and so on. The main features: • Add the current date, time, GPS and address watermark when taking photo or video. - Support change font, font color, font size. - Support set timestamp in 6 positions: top left, top center, top right, bottom left, bottom center, bottom right. - Support add address and GPS automatically. - Support input and display custom text on camera. - Support change opacity of text and text background. - Support four text margin modes: no margin, one line margin, half line margin, suitable for printing. • Support display altitude and speed. • Support display map on camera. • Support display compass on the camera. • Support import logo image to display on the camera. Support change the position, size, margins and transparency of the logo. • Support change video resolution (540P, 720P, 1080P, 4K) and fps (30fps, 60fps). • Support timer to take picture (3, 5, 10 seconds with count down). • Support power saving mode of black screen. • Support record video without audio. • Support pause and continue record fragments to one video. • Support toggle camera when recording. • Support portrait and landscape. • Support iPhone and iPad. If you have any questions or suggestions, please email to [email protected]. Thank you.
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.