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.
Screenshot Resize makes it easy to prepare your app screenshots for App Store Connect submission
$5.99 · 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.
Kit ready. Verify your email to download it.
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 ScreenshotResize: map the core Developer Tools 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 resizing options for advanced users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No batch processing available
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of sharing options after resizing
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No user accounts or history tracking
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.
Screenshot Resize makes it easy to prepare your app screenshots for App Store Connect submission. Import multiple images at once and resize them to the exact pixel dimensions Apple requires — across all device categories. SUPPORTED DEVICES & SIZES Resize for every Apple platform with 66 built-in resolutions: - iPhone — 6.9", 6.5", 6.3", 6.1", 5.5", 4.7", 4.0", and 3.5" displays including portrait and landscape orientations - iPad — 13", 12.9", 11", 10.5", and 9.7" displays - Apple Watch — Ultra 2, Series 10, Series 7+, Series 4–6, and Series 3 - Mac — 1280x800 through 2880x1800 - Apple TV — 1080p and 4K - Apple Vision Pro — 4K BATCH IMPORT & MULTI-IMAGE WORKFLOW Select multiple screenshots at once from your Photo Library or Files app. Swipe between images to preview each one, and crop or adjust them individually. A position indicator shows which image you're viewing. When you're done, save all images to Photos in one tap or export them together as a ZIP file for easy sharing. SMART SUGGESTIONS The app analyzes your source image and suggests the best matching resolution based on aspect ratio and pixel count. Switch between device categories and the suggestion updates automatically — so you spend less time hunting for the right size. THREE RESIZE MODES Fit — Stretches the image to the exact target dimensions. Quick and precise when you need pixel-perfect output. Fill — Centers your image on a customizable background color while maintaining its aspect ratio. Pick a color with the built-in color picker or type a hex code directly. Crop — Interactively position and scale your image with drag and pinch gestures. The live preview shows exactly what the final output will look like. Zoom in to focus on a specific area or zoom out to reveal a border. LIVE PREVIEW See the result in real time as you adjust settings. The preview updates instantly when you change the resize mode, pick a new resolution, or reposition your crop. Output dimensions are always displayed so you know exactly what you're exporting. EASY EXPORT Save the current image or all images at once directly to your photo library. With multiple images, share them as a single ZIP file — perfect for uploading a full set of screenshots to App Store Connect. Single images can be shared anywhere using the system share sheet. Works with AirDrop, Files, email, and any other share destination on your device. SIMPLE SINGLE-SCREEN LAYOUT Everything fits on one screen with no scrolling. The top half shows your live preview — swipe to navigate between images when working with a batch. The bottom half gives you tabbed controls for device category, size selection, and resize mode. Browse all available sizes in a dedicated picker organized by display size. DESIGNED FOR APP DEVELOPERS Built specifically for indie developers and teams who need to prepare App Store screenshots without a Mac or desktop image editor. Import your screenshots in bulk, pick your target device and size, adjust each image individually, and export them all — from your iPhone or iPad. No subscriptions. No watermarks. No internet connection required.
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.