Cosmo: Learn GenAI & More 4+

Learn GenAI, business and tech

CodeSignal

Designed for iPhone

    • 4.8 • 61 Ratings
    • Free
    • Offers In-App Purchases

iPhone Screenshots

Description

Build real skills in just minutes a day. No videos. Just doing.

Cosmo is your personal AI tutor, always ready with hands-on lessons that adapt to you. Whether you're between classes, commuting, or on a break, you’ll make real progress in GenAI, business, tech, and more.

Built by CodeSignal, the AI platform trusted by over 3,000 top employers for hiring, including Google, Meta, Zoom, Netflix, TikTok, and Anthropic.
Loved by over 1 million learners who build and prove their skills with CodeSignal.

Why Cosmo
• Cosmo, your AI tutor, adapts to you and guides you on your journey so you can learn faster
• Fun, practice-based lessons that keep you engaged
• Master the most in-demand skills to grow your career
• Earn shareable certificates and skill badges
• Take full courses or get instant help on any topic

Every course is free. Learn GenAI, business, marketing, sales, finance, accounting, product management, project management, leadership, communication, emotional intelligence, Python, JavaScript, Go, Swift, Kotlin, Rust, web development, cloud, SQL, data science, analytics, machine learning, data engineering, personal finance, focus, decision making, critical thinking, public speaking, habit formation, and more.

Explore 200+ career-building skills
• GenAI: Practice prompts and apply ChatGPT at work
• Finance: Understand money, markets, and valuation
• Marketing: Learn digital ads, branding, SEO, and strategy
• Coding: Learn Python, JavaScript, and more through practice
• Data: Build skills in SQL, machine learning, and analytics
• Leadership: Grow communication and strategic thinking
• Personal Growth: Build habits, confidence, and clarity
• Startups: Learn how to launch your idea into the world

If you like Cosmo, try Cosmo+ to learn faster with unlimited energy.

Learn on the web at: https://codesignal.com/learn
Send feedback to: support@codesignal.com
Privacy Policy: https://codesignal.com/privacy
Terms of Use: https://codesignal.com/terms/

What’s New

Version 1.0.4

Small fixes and updates.

Ratings and Reviews

4.8 out of 5
61 Ratings

61 Ratings

tiandl ,

Finally an App That Makes Learning Exciting

Cosmo has completely changed the way I think about learning. What I love most is how it makes every lesson feel fun and engaging, almost like a game. Instead of feeling like a chore, learning with Cosmo is something I actually look forward to every day.

The app does a great job of breaking down concepts into easy, bite-sized pieces while keeping things interactive. I’ve noticed that I remember what I learn much better because of how enjoyable the experience is.

If you’re looking for a learning app that’s not only effective but also genuinely fun, Cosmo is an excellent choice. It makes learning exciting again!

Michael N2 ,

Daily learning, cute presentation

This is so much fun! I started with the course on how LLMs work under the hood, and Cosmo explains advanced concepts clearly while answering my questions when I want to dive deeper. Great way to develop professional skills for just a few minutes a day. Cosmo is also super cute.

Feature request for the devs: Can I earn the ability to upgrade/customize Cosmo’s outfit and spaceship for doing daily lessons?

anna…! ,

Learning made easy - on the go!

I absolutely love using Cosmo! Being able to learn directly from my phone makes it so easy to practice anytime, anywhere whether I’m at home, commuting, or waiting in line. The lessons are clear, interactive, and really help me understand concepts step by step. It’s the perfect way to stay consistent and keep learning on the go!

Events

App Privacy

The developer, CodeSignal, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • Identifiers
  • Usage Data
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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