Codewise
Learn Python, Java & SQL
SAR 34.99
Version 1.3 adds functional programming: lambdas, closures, and LINQ in C#, with 24 new challenges. 7 languages, 280+ challenges, one-time purchase, no subscription.
Codewise is the fastest way to go from zero to coding confidence — right from your iPhone, iPad, or Mac.
Pick a language and start writing real code immediately. No fluff, no lengthy video lectures, no subscription. Just hands-on challenges that teach you the fundamentals through practice.
LANGUAGES
• Python
• Swift
• JavaScript
• Java
• Kotlin
• C#
• SQL (PostgreSQL)
FEATURES
• 280+ bite-sized challenges with instant feedback — write code, run it, see the result
• Structured learning paths — Intro to Programming, Language Basics, Object-Oriented Programming, and Functional Programming
• Functional programming in C# — lambdas, Func and Action delegates, closures, and LINQ pipelines with Where, Select, OrderBy, and Aggregate (new in 1.3)
• Built-in code editor with syntax highlighting and live error hints for every language
• Code runs on your device, fully offline — no account, no ads, no data collection
• SQL challenges show results exactly like the psql tool, so what you learn transfers to real databases
• Progress syncs across iPhone, iPad, and Mac with iCloud
ONE PURCHASE, EVERY DEVICE
Codewise is a one-time purchase. Buy it once and use it on iPhone, iPad, and Mac — no recurring fees, ever.
Whether you're brand new to programming, preparing for an interview, or brushing up on a new language, Codewise meets you where you are and helps you level up one challenge at a time.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Codewise 1.3 adds functional programming. The new C# Functional module teaches lambdas, Func and Action delegates, closures, and LINQ pipelines with Where, Select, OrderBy, Aggregate, and more, across 24 hands-on challenges that run entirely on your device. Chain calls across lines, pass functions as values, and compose them, the way you would in a real codebase.
Codewise now has more than 280 challenges across Python, Swift, JavaScript, Java, Kotlin, C#, and SQL, all with live error hints and instant results, no account and no subscription.
Thank you for learning with Codewise! If it has helped you, a rating on the App Store makes a big difference for a small indie app.
The developer, Eric Schlichting, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Eric Schlichting
- Size
- 2.3 MB
- Category
- Education
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - iPad
Requires iPadOS 26.2 or later. - Mac
Requires macOS 15.7 or later. - Apple Vision
Requires visionOS 26.2 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © ElevenSeventy, LLC
