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.
Some apps help you post
Free · 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 SCRL: Photo Collage Maker: 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 customization options for collages
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Occasional crashes during photo loading
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase prompts can be intrusive
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of cloud backup for collages
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.
Some apps help you post. SCRL helps you create. From structured brand feeds to editorial-style storytelling, SCRL gives you the tools to shape how your social presence is perceived. Whether you're a professional content creator, an artist, or just love sharing your moments, SCRL offers everything you need to make your posts stand out. • EXCEPTIONAL PHOTO COLLAGE MAKER SCRL lets you create stunning photo collages with full control over layout, spacing, and visual balance. Move between freeform and structured layouts depending on your workflow - from simple grid collages to complex, layered compositions. SCRL gives you the precision to build exactly what you envision. • TEMPLATES NO ONE ELSE HAS A curated library of collage, carousel, and story templates designed in-house by our designers' team. Each one is hand-crafted with focus on composition, proportion, and visual rhythm, not just assembled from generic patterns. Regularly updated with new designs across different styles and use cases. • PHOTO EDITOR BUILT INTO YOUR WORKFLOW Adjust exposure, dial in color, apply filters, all without leaving the app. Edit, compose, and publish in one seamless flow. No switching, no quality lost in transit. • INSTAGRAM CAROUSEL POSTS THAT FLOW SCRL was designed for creators who think beyond a single post. Build seamless carousels with panoramic layouts, precise alignment, and transitions that flow from slide to slide. • GRID LAYOUTS FOR A COHESIVE FEED Multi-post grids that span several photos, giving your feed a structured, unified look. Your profile is a portfolio and SCRL helps it look like one. • MORE THAN 10 PHOTOS IN ONE POST Break the limitations of traditional posts & Instagram layouts. With SCRL, you can add more than 10 photos in a single post, providing more room for your creativity and storytelling. • FREEFORM CANVAS Design your way with our freeform canvas. Zoom in and out to perfect every detail or get an overview of your entire project. Create a layout that’s uniquely yours. • STICKERS & OVERLAYS A growing library of overlays and stickers to add texture, depth, and detail to any design. Whatever your style, you’ll find elements that complement your collages and carousels perfectly. • DIRECT POSTING TO INSTAGRAM & TIKTOK When it's ready, it goes live - exactly as designed. No exporting, no re-uploading. • WHERE PROFESSIONAL CONTENT GETS MADE From property listings to campaign launches, social media schedules to client pitches - SCRL handles the volume without sacrificing the craft. • SCRL PREMIUM Every template, every layout, every tool, plus features built for work that demands more. Monthly and yearly plans, starting with a free 7-day trial. • TRUSTED BY THE BEST SCRL is trusted by Grammy Award-winning artists, NBA players, and major international music festivals. We’ve been featured numerous times in the App Store and recognized by top industry publications: "14 Best Apps For Instagram Collages" - Hootsuite "20 Mobile Apps to Create Stunning Social Media Visuals" - HubSpot "8 Trendy Apps To Create Collages For Instagram" - Later TRIAL AND SUBSCRIPTION TERMS Start SCRL Premium Collage Maker with a free 7-day trial. Once the trial is over, you'll be charged an annual subscription fee. SCRL Premium will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can go to your Settings > iTunes Account & App Store > Apple ID > Subscriptions to manage your subscription and turn auto-renew off. Your iTunes Account will be charged when the purchase is confirmed. Terms of Use: https://scrl.com/terms-of-service Privacy Policy: https://scrl.com/privacy-policy Follow @scrlgallery on Instagram for inspiration from our community. Add #scrlgallery to your posts to get featured on our page. Questions or feedback? DM us at @scrlgallery. Create unique photo collages, Instagram stories & carousel posts with SCRL. Browse hundreds of curated templates for every occasion.
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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.