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
Artmate: Drawing Together
Drawing is more fun with a friend
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.7
4,469 ratings · Top 15%
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's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 Artmate: Drawing Together: 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
Introduce advanced tools like layers and vector editing.
Assumption to check: Limited drawing tools compared to desktop software
Validate with people who use this workflow before building.
Hypothesis 2
Optimize data syncing and lower latency for drawing.
Assumption to check: Lag in real-time collaboration
Validate with people who use this workflow before building.
Hypothesis 3
Enhance search features and implement curated collections.
Assumption to check: User discovery of artworks can be difficult
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to save drafts locally and sync when online.
Assumption to check: No offline functionality
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
Drawing is more fun with a friend. Artmate is a multiplayer drawing app where you and a real drawing buddy sketch the same picture together, side by side, step by step, in real time. Artmate is built on one simple idea: nobody wants to sketch alone on a blank screen. Pick a drawing you love or tap Quick Match, and two players join the same guided lesson — watching each other's strokes appear live on one shared canvas, like sitting at the same table. DRAW TOGETHER, IN REAL TIME - Choose a drawing you love, or tap Quick Match to start with any drawing - Get paired with a drawing buddy in seconds - True multiplayer: both of you draw the same picture at the same time - See every stroke appear live on one shared canvas - Finish a beautiful sketch together, every single time LEARN TO DRAW, STEP BY STEP - Guided step-by-step lessons, so there's never a scary blank page - Each step shows exactly what to sketch and which color to use - Earn stars on every step as your picture comes to life - Fun topics everyone loves: animals, food, and more PLAY WITH FRIENDS YOU KNOW - Create a private room and share a simple 4-digit code - Invite a classmate, sibling, friend, or parent to draw together - Add friends right from the drawing room SAVE AND SHARE THE MOMENT - Every finished sketch saves as an image plus a fun time-lapse video - Share to Photos, Messages — never posted publicly PERFECT FOR - Anyone who'd rather draw together than sketch alone - Families and friends looking for a safe, ad-free multiplayer drawing app - Playdates, siblings, cousins, and long trips - Quiet afternoons and screen time that actually teaches you to draw SAFE BY DESIGN - No ads, ever - No open chat, no public feed, no messaging outside the drawing room - You create only inside guided lessons — safe by structure, not just moderation Open Artmate and draw together today. Artmate — draw together, learn together. If you have any questions or contributions to the app, do not hesitate to contact us via email: [email protected]. We value your contributions and will do our best to meet all requirements and improve product quality. Terms of Use: https://bralyvn.com/term-and-condition.php Privacy Policy: https://bralyvn.com/privacy-policy.php
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
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react-native-reanimated
expo-image-picker
BUILD KIT DIFFICULTY
Expert
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.
