Malwelt – AI Coloring Platform for Kids

EdTech, AI, Entertainment
Timeline
8 weeks
Team Size
3 engineers

Full-cycle AI app development for custom coloring pages while ensuring child safety and monetization.

Malwelt – AI Coloring Platform for Kids

Key Results Achieved

1,200+
Pages Generated
300+
Users Onboarded
100%
Uptime

The Challenge

Full-cycle AI app development for custom coloring pages while ensuring child safety and monetization.

Business Challenges

  • Validate market demand for AI-generated coloring pages
  • Build trust with parents and educators with clear value
  • Launch with a sustainable freemium monetization model

Technical Challenges

  • Ensure child-safe, age-appropriate content generation
  • Implement prompt moderation and filtering
  • Ship quickly using low-code while staying scalable

Timeline

Fast 8-week cycle from discovery to production

Our Solution

A full-stack MVP using Bubble.io, OpenAI, and FAL.ai to enable prompt-to-image generation, child-safe content filtering, and Stripe-based freemium subscriptions. Delivered in just 8 weeks.

Core Features

  • AI-powered image generation from user prompts
  • Age filtering and themed difficulty levels
  • Downloadable, print-friendly coloring content
  • Freemium model with Stripe subscription integration
  • User history: saved activities, favorites, and prompt logs
  • Admin dashboard for moderation and analytics

Technologies & Implementation

Technologies & Platforms

Bubble.ioStripeAWS S3OpenAI

Knowledge Stack

FAL.aiDeepSeek VisionFigma

Technical Architecture

  • Low-code platform with Bubble.io
  • Stripe integration for billing and subscriptions
  • AWS S3 for scalable storage
  • Custom prompt moderation layer for content filtering

AI Components

  • Prompt-to-image generation using FAL.ai and DeepSeek
  • Age relevance scoring and NSFW filtering
  • Retrieval-based prompt suggestion engine

Implementation Timeline

1

Week 1

Product discovery, wireframes, backend setup

2

Week 2

AI image model integration and testing

3

Week 3

Prompt-to-image flow development

4

Week 4

Stripe billing and subscription setup

5

Week 5

AI-based prompt filtering and content safety

6

Week 6

Saved content and user history features

7

Week 7

Testing and QA with early users

8

Week 8

Polishing, bug fixes, and deployment

Results & Impact

Immediate Results

  • 1,200+ coloring pages generated by users
  • 300+ users onboarded and engaged
  • 100% platform uptime maintained

Long-term Impact

  • Zero inappropriate content incidents
  • Validated product-market fit for AI coloring platform
  • Positive user reviews from parents and educators

Proglia brought our vision to life remarkably fast. The AI coloring platform is a hit with kids and parents alike. The child safety features give us complete peace of mind.

Anna Weber
Founder, Malwelt

Key Lessons Learned

Child safety features are non-negotiable for kids' platforms

No-code platforms enable rapid MVP validation

Freemium models work well for creative tools

AI content moderation is essential for user-generated content

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Malwelt – AI Coloring Platform for Kids | Proglia Case Studies