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
Zaps Collages
get creative with zaps collages, the best app for creating photo collages and seamless instagram carousels
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
510 ratings · Top 5%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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 included18 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 Zaps Collages: 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 more editing tools and features for users to personalize their collages.
Assumption to check: Limited customization options for collages
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image loading and rendering for better performance.
Assumption to check: Slow performance with larger images
Validate with people who use this workflow before building.
Hypothesis 3
Clarify subscription tiers and benefits within the app.
Assumption to check: Subscription model may be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Implement a consistent design system and UI guidelines.
Assumption to check: Inconsistent user interface design
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
get creative with zaps collages, the best app for creating photo collages and seamless instagram carousels. whether you're an influencer, artist, or just love sharing your moments, zaps offers everything you need to make your posts stand out on any social media. powerful features for creators: premium collage maker & templates: access thousands of hand-picked collage templates. our library is updated weekly to ensure your instagram layouts always stay ahead of the trends. seamless swipe-through carousels: effortlessly design swipe-through carousel posts that captivate your followers. our intuitive interface allows you to merge photos into panoramic views or fluid, scrolling layouts. custom aesthetic wallpapers: use your creativity to design unique wallpapers for your device. export your high-resolution designs perfectly scaled for any screen. professional invite maker: transition from social media to real-world events with our invite maker. create stunning digital invitations for parties, galleries, weddings, birthdays or launches using our specialized design templates. advanced ai photo editor & enhancer: perfect your shots with our built-in ai photo editor. effortlessly enhance image quality, use relighting tools to fix shadows, and remove blemishes or imperfections with pro-level photo corrections. dynamic grid layouts: create a unified aesthetic with premade grid layouts that span multiple frames. combine these with our freeform canvas to build a cohesive, professional-grade feed. stickers, overlays & assets: choose from hundreds of free stickers and overlays to add texture and personality to your carousels. choose from collage templates: classic grids, modern layouts, birthday, travel, and more. add stickers, text, and borders to make every collage unique. ai photo editing instantly enhance photos with smart ai filters. remove blemishes, adjust colors, and add effects with one tap. try trending looks, celebrity outfits, or fantasy styles. experiment with hairstyles, cuts, and colors in seconds. who is zaps collages for? social media creators on instagram, tiktok, snapchat students and professionals making quick designs influencers and fashion lovers exploring new looks anyone who wants easy ai photo editing, collages, and templates key features collage maker professional templates (posts, stories, posters, profile pictures) ai outfit and hairstyle change ai face swap ai filters and enhancements relight and apply aesthetic filters to your photos download zaps collages today — your all-in-one app for zaps premium photo editing, creative collages, and stylish templates. zap it. zaps it. love it. privacy policy : https://zaps.gg/privacy terms of use : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
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
React Native
Expo
Zustand
react-navigation
expo-image-picker
react-native-reanimated
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.
