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.
App Overview
Colliz – DIY Wallpaper Craft
Unleash Your Inner Artist with Colliz – DIY Wallpaper Craft!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.5
1,407 ratings · Top 50%
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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.
What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Colliz – DIY Wallpaper Craft: map the core Graphics & Design workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Provide advanced design tools and templates.
Assumption to check: Limited customization options compared to desktop software
Validate with people who use this workflow before building.
Hypothesis 2
Include one-click sharing features and export options.
Assumption to check: Difficulty in sharing creations directly to social media
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the design process with guided steps and tooltips.
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Clearly label features and provide a straightforward subscription model.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Unleash Your Inner Artist with Colliz – DIY Wallpaper Craft! Tired of generic phone backgrounds? Express your unique style and stay trendy with Colliz – DIY Wallpaper Craft! Your ultimate creative hub, packed with powerful tools to design stunning, personalized wallpapers. Best of all, it's FREE! Your phone reflects you, so we built this app for fun, easy customization. From cute aesthetics to dark vibes, cool anime to lively animals, there's something for everyone. Our mission: keep your screen fresh, trendy, and uniquely YOU! Dive into a World of Creativity with Our 3 Main Powerhouse Features: 1. DIY Frame Wallpaper: Your Photos, Our Magic Frames! Transform your photos and memories into captivating wallpapers! The DIY Frame Wallpaper section offers a vast collection of stylish frames and templates. Dynamic & Static Frames: Live Frames add animations; Static Frames offer timeless elegance. Photos blend perfectly with our designs! Easy Photo Import: Seamlessly import any gallery image. Our tools ensure the perfect fit. Custom Backgrounds: Mix and match colors, patterns, and textures to set the perfect mood. Stickers: Add fun, trendy stickers from our diverse library to your masterpiece! 2. Collage Wallpaper Craft: 100% Freeform Creation – Your Canvas, Your Rules! Unleash your imagination! Collage Wallpaper Craft gives you full creative freedom to design unique photo collages from scratch. No templates – just pure artistic expression. Build your vision, pixel by pixel! Freely Import Photos: Add unlimited photos! Arrange, resize, rotate, and layer them however you want. Add Trendy Stickers: Browse our vast, frequently updated sticker library – cute characters, aesthetic elements, memes, and more! Express with Text: Add your own text, quotes, or messages. Choose from multiple fonts, colors, and styles. Creative Brush Tool: Draw directly on your collage! Add doodles, highlights, or patterns. Artistic Filters: Apply stunning filters to create a cohesive, professional look. 3. Curated Wallpaper Gallery: Trendy, Diverse & Always Fresh! Beyond DIY, explore our incredible, FREE gallery of ready-to-use wallpapers, hand-picked and constantly updated with the hottest trends: Aesthetic Vibes: Dreamy pastels, minimalist tones. Anime Magic: Iconic characters, breathtaking scenery. Adorable Animals: Cute cats, majestic wildlife. Dark Mode Delights: Sleek, battery-friendly themes. Silly Smile & Fun: Whimsical characters, funny memes. Stay trendy! We update frames, stickers, and curated wallpapers based on the latest mobile culture—from TikTok aesthetics to meme crazes. And yes, it's all FREE because creativity should never have limits. Download Colliz – DIY Wallpaper Craft now Transform your phone into a canvas of endless possibilities. Create, customize, captivate – all for FREE! Support us! We’re always working to improve our apps, so any thoughts are welcome via the in-app feedback form. Through Colliz, we empower you to make your phone as awesome as you are. Share your feedback with us at: [email protected] Terms of Use: bralyvn.com/term-and-condition.php Privacy Policy: bralyvn.com/privacy-policy.php Thank you for choosing Colliz – DIY Wallpaper Craft, and we hope you enjoy it!
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
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BUILD KIT DIFFICULTY
Advanced
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.
