Skip to content
ID
← All work
ShippedGame2017

Rainbow

Adult coloring-book mobile app with a large illustrated catalog, free/ad-supported and premium-subscription tiers.

Rainbow artwork

Rainbow was a coloring-book app with a large final artwork catalog (animals, food, geometry, mandalas, florals, fun and celebration themes), a 25-day Christmas coloring collection, finished app-store screenshots, an app icon/splash set, and an app-store preview video with music, plus a written app description for store listing.

Assets are split into free/ad-supported and premium-subscription artwork tiers, and final store-ready screens exist (not just concept art), indicating this app reached a shipped or near-shipped state.

My role

Solo developerDeveloper

Team

Zadzen Games · 2016 — 2018

Platforms

  • iOS
  • Android

Stack

  • Unity

Solo developer

What I did

  1. 01UI/UX programming for the coloring interface and screen flow
  2. 02SDK integration for ads (free-with-ad tier) and in-app purchase/subscription (premium tier)
  3. 03Store listing assets: screenshots, icon, splash, and preview video pipeline

What stands out

  1. 01150+ finished illustration pages across multiple themed collections
  2. 02Dedicated 25-day Christmas coloring collection
  3. 03Free/ad-supported vs. premium-subscription content split with app-store video and description

See it in action

Rainbow: concept illustration (AI-generated, not a screenshot)
Concept illustration (AI-generated)
Rainbow app store screen 1
Rainbow app store screen 2
Rainbow app store screen 3
Rainbow app store screen 4