App Overview

Aquarell: Drawing & Watercolor icon

Aquarell: Drawing & Watercolor

Anyi County Bingzhiyi Trading Co., Ltd. · Graphics & Design

Aquarell is a drawing and painting app for iPhone and iPad, with watercolor brushes, layers and custom canvases

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
3 ratings · Below Average

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 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.

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.

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

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Aquarell: Drawing & Watercolor: 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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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Aquarell is a drawing and painting app for iPhone and iPad, with watercolor brushes, layers and custom canvases. Use it for digital illustration, freehand sketches, doodles and color studies—from a quick idea to a finished piece of art. MAKE EACH BRUSH YOUR OWN Adjust brush size, opacity and spacing to shape your strokes. Build a brush collection for expressive watercolor painting, line work and everyday sketching. BUILD YOUR ARTWORK IN LAYERS Keep your sketch, colors and finishing touches separate. Control layer opacity and blend modes, and use selections and masks to work on specific areas of your image. Undo and redo as you explore different ideas. EXPLORE COLOR AND COMPOSITION Choose colors, keep palettes and sample shades from your canvas. Work with a custom canvas size, zoom in for details and rotate the view for a comfortable drawing angle. Add text and import fonts to combine lettering with your illustrations. SAVE, SHARE AND KEEP CREATING Export PNG and JPEG images to share your work, or use PDF and TIFF for additional output options. Export PSD with pixel layers for further editing. Save in the native Aquarell artwork format to continue working in the app. Aquarell brings brushes, color and layers into one mobile art workspace. Sketch a landscape, paint a portrait, explore a palette or make an original illustration on your iPhone or iPad.

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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

Offer extensive brush settings and presets.

Assumption to check: Limited brush customization options

Validate with people who use this workflow before building.

Hypothesis 2

Simplify the design and improve usability.

Assumption to check: Cluttered user interface

Validate with people who use this workflow before building.

Hypothesis 3

Optimize app performance for smoother interactions.

Assumption to check: Poor performance on older devices

Validate with people who use this workflow before building.

Hypothesis 4

Implement a guided onboarding experience for new users.

Assumption to check: Lack of tutorial or onboarding

Validate with people who use this workflow before building.

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.

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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.