Best Codesignal Apps

250+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

Out of 250+ codesignal apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Codesignal Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Cosmo: Learn GenAI & MoreCosmo: Learn GenAI & MoreFree4.8โ˜… (810)NoYesSep 2026
2freeCodeCampfreeCodeCampFree3.8โ˜… (75)NoNoAug 2026
3LeetCodeLeetCodeFree4.8โ˜… (527)NoNoSep 2026
4Orca IDEOrca IDEFree4.8โ˜… (20)NoNoSep 2026
5PDF Craft: Local DeskPDF Craft: Local DeskFree3.3โ˜… (7)YesNoSep 2026
6TermlyTermlyFree4.0โ˜… (1)NoNoAug 2026
7Secret SquirrelSecret SquirrelFreeโ€”NoNoMay 2026
8RoboGarden PlaygroundRoboGarden PlaygroundFree2.0โ˜… (1)NoNoMay 2026

Top Picks for Codesignal

Cosmo: Learn GenAI & More#1

Cosmo: Learn GenAI & More by CodeSignal

Learn GenAI, business and tech
Editor's Choice
๐Ÿ“š Education
4.8๐Ÿ˜Š(810 ratings)
FreeIn-App Purchases
Cosmo: Learn GenAI & More screenshot 1
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Cosmo: Learn GenAI & More screenshot 5
Cosmo: Learn GenAI & More screenshot 6

This app offers hands-on, practice-based lessons to build in-demand skills in areas like GenAI, business, and tech. It acts as a personal AI tutor, adapting to your learning pace and providing instant help on any topic. Earn shareable certificates and skill badges to advance your career.

What We Love

  • ๐ŸŒŸ Amazing app
  • ๐ŸŽฎ Gamification that feels productive
  • ๐Ÿš€ Learning made easy - on the go!
  • ๐Ÿ˜Š Cutest teacher award goes to Cosmo!!!
  • ๐Ÿ‘ So much better than doom scrolling!
  • ๐Ÿซ A fun university on your phone
  • ๐Ÿ‘Œ Love it!
  • ๐Ÿ’™ Love Cosmo
  • ๐Ÿ“š Really great variety of content to keep learning on the go!
  • ๐Ÿ‘ Love the design and learning experience!
  • ๐Ÿคฉ New app addiction!!
  • ๐ŸŽ“ Fun Learning
  • ๐Ÿค– Learning has never been easier or more fun!
  • ๐Ÿ˜ The cutest AI tutor!
  • ๐Ÿง  Great way to elevate my leadership game!
  • ๐Ÿ‘ฏโ€โ™€๏ธ Cosmo is my new friend!
  • ๐ŸŽ‰ Finally an App That Makes Learning Exciting
  • ๐Ÿ’• Daily learning, cute presentation
  • ๐Ÿ† Best way to spend my time
  • ๐Ÿ™Œ Amazing!
LeetCode#3

LeetCode by LeetCode

Think Sharper. Code Better.
Worth Considering
๐Ÿ“š Education
4.8(527 ratings)
Free
LeetCode screenshot 1
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LeetCode screenshot 6

Practice coding challenges and prepare for technical interviews on the go. Discover company-specific questions, manage your practice lists, and track your progress. Stay updated with contests and daily quests to improve your skills.

More Codesignal apps to explore

FAQ about Codesignal

What are the best codesignal apps for iPhone?
Cosmo: Learn GenAI & More tops our codesignal apps ranking as of September 2026, with a 4.8-star average from 810 App Store ratings, and it's free to download.
Yes โ€” 20 of the top codesignal apps we rank are free to download, including Cosmo: Learn GenAI & More and freeCodeCamp.
Cosmo: Learn GenAI & More has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ codesignal apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Cosmo offers lessons in a wide range of subjects including GenAI, business, marketing, sales, finance, coding (Python, JavaScript, etc.), data science, leadership, personal growth, and more. It covers over 200 career-building skills.
Cosmo acts as your personal AI tutor, providing hands-on, practice-based lessons that adapt to your learning style. It focuses on 'doing' rather than just watching videos, allowing you to build real skills quickly.

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