Learn Kodular - 10 Code Examples & CST Typing Practice Test

Kodular is a free, no-code/low-code platform for creating Android apps using a drag-and-drop interface with block-based programming, evolved from MIT App Inventor and designed to simplify app development for non-programmers.

View all 10 Kodular code examples →

Kodular Simple Todo App Kodular Counter App Kodular Login Form Kodular Notes App Kodular Stopwatch App Kodular Theme Toggle App Kodular Calculator App Kodular Weather App Kodular Image Gallery Kodular QR Scanner App

Learn KODULAR with Real Code Examples

Updated Nov 23, 2025

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Code Sample Descriptions

Kodular Simple Todo App

1. Drag a Text Box component onto the screen for 'New Todo'.
2. Drag a Button labeled 'Add' -> logic: Append input value to list variable 'todos'.
3. Drag a ListView component bound to 'todos' to display items.
4. Add blocks to clear input after adding a task.
5. Test live on device or emulator; export as Android APK or PWA.

Demonstrates a simple Kodular app with a Todo list, adding tasks, and displaying them using drag-and-drop components and block-based logic.

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Kodular Counter App

1. Create variable 'count', initialize 0.
2. Add Buttons '+', '-', 'Reset'.
3. Configure '+': Set 'count' = count + 1.
4. Configure '-': Set 'count' = count - 1.
5. Configure 'Reset': Set 'count' = 0.
6. Bind a Label to 'count' to display the value.

A simple counter app using variables and block logic for incrementing, decrementing, and resetting.

Let’s Try →

Kodular Login Form

1. Add Text Boxes: 'Username' and 'Password'.
2. Add Button 'Login'.
3. Blocks: If both fields non-empty -> Navigate to 'Home' screen.
    Else -> Show Alert 'Invalid credentials'.

Shows a login form with validation using blocks and conditional navigation.

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Kodular Notes App

1. Create variable 'notes' (list).
2. Add Text Box for note entry.
3. Add Button 'Save Note' -> Append input to 'notes'.
4. Bind ListView to 'notes'.
5. Add optional logic to save locally or reset input.

Stores and displays notes using list variables and block logic.

Let’s Try →

Kodular Stopwatch App

1. Add Label bound to variable 'seconds' (init 0).
2. Add Buttons: 'Start', 'Stop', 'Reset'.
3. 'Start' -> Timer every 1 sec -> Increment 'seconds'.
4. 'Stop' -> Stop Timer.
5. 'Reset' -> Set 'seconds' = 0.

Implements a stopwatch using Timer component and variable increments.

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Kodular Theme Toggle App

1. Create variable 'isDark' (boolean).
2. Add Switch bound to 'isDark'.
3. Blocks: Change background/text colors based on 'isDark'.
4. Add Label: Show 'Light Mode' or 'Dark Mode'.
5. Preview theme switching.

Switches between light and dark themes using a switch and conditional blocks.

Let’s Try →

Kodular Calculator App

1. Create variables: 'num1', 'num2', 'result'.
2. Add two Text Boxes for numbers.
3. Add Buttons '+', '-', '*', '/'.
4. Blocks: On button press -> Set 'result' = formula(num1 op num2).
5. Bind Label to 'result'.

A simple four-function calculator using number inputs and formula blocks.

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Kodular Weather App

1. Add Text Box for city name input.
2. Create Web Component -> connect to weather API.
3. Bind API response to variable 'weatherData'.
4. Add Button 'Fetch' -> call API.
5. Bind Labels/ListView to display temperature and conditions.

Fetches weather info from an API and displays it using labels and list components.

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Kodular Image Gallery

1. Create variable 'images' (list of URLs).
2. Add ListView bound to 'images'.
3. Inside ListView -> Add Image component bound to current item's URL.
4. Add Button 'Add Image' -> Append new URL to 'images'.
5. Preview images on device.

Displays images using list variables and ListView/Image components.

Let’s Try →

Kodular QR Scanner App

1. Add Button 'Scan QR'.
2. Add Barcode Scanner component -> connect to button.
3. Create variable 'qrResult'.
4. Store scanner output -> 'qrResult'.
5. Bind Label to 'qrResult' to show scanned data.

Scans QR codes and displays the result using device scanner component and logic blocks.

Let’s Try →

Frequently Asked Questions about Kodular

What is Kodular?

What are the primary use cases for Kodular?

Educational and learning apps. Small business apps for Android. Games and interactive apps using visual blocks. Apps with ad monetization and analytics. Rapid prototyping and MVP development

What are the strengths of Kodular?

No coding required for most app functionality. Fast prototyping and app deployment. Supports monetization and analytics out of the box. Strong community and educational resources. Drag-and-drop editor is intuitive and visual

What are the limitations of Kodular?

Only supports Android apps natively. Limited control over complex app performance. Advanced native features require extensions. Logic block complexity can grow for large projects. Dependent on Kodular platform for cloud features and builds

How can I practice Kodular typing speed?

CodeSpeedTest offers 10+ real Kodular code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

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Code Sample Descriptions

Kodular Simple Todo App

1. Drag a Text Box component onto the screen for 'New Todo'.
2. Drag a Button labeled 'Add' -> logic: Append input value to list variable 'todos'.
3. Drag a ListView component bound to 'todos' to display items.
4. Add blocks to clear input after adding a task.
5. Test live on device or emulator; export as Android APK or PWA.

Demonstrates a simple Kodular app with a Todo list, adding tasks, and displaying them using drag-and-drop components and block-based logic.

Let’s Try →

Kodular Counter App

1. Create variable 'count', initialize 0.
2. Add Buttons '+', '-', 'Reset'.
3. Configure '+': Set 'count' = count + 1.
4. Configure '-': Set 'count' = count - 1.
5. Configure 'Reset': Set 'count' = 0.
6. Bind a Label to 'count' to display the value.

A simple counter app using variables and block logic for incrementing, decrementing, and resetting.

Let’s Try →

Kodular Login Form

1. Add Text Boxes: 'Username' and 'Password'.
2. Add Button 'Login'.
3. Blocks: If both fields non-empty -> Navigate to 'Home' screen.
    Else -> Show Alert 'Invalid credentials'.

Shows a login form with validation using blocks and conditional navigation.

Let’s Try →

Kodular Notes App

1. Create variable 'notes' (list).
2. Add Text Box for note entry.
3. Add Button 'Save Note' -> Append input to 'notes'.
4. Bind ListView to 'notes'.
5. Add optional logic to save locally or reset input.

Stores and displays notes using list variables and block logic.

Let’s Try →

Kodular Stopwatch App

1. Add Label bound to variable 'seconds' (init 0).
2. Add Buttons: 'Start', 'Stop', 'Reset'.
3. 'Start' -> Timer every 1 sec -> Increment 'seconds'.
4. 'Stop' -> Stop Timer.
5. 'Reset' -> Set 'seconds' = 0.

Implements a stopwatch using Timer component and variable increments.

Let’s Try →

Kodular Theme Toggle App

1. Create variable 'isDark' (boolean).
2. Add Switch bound to 'isDark'.
3. Blocks: Change background/text colors based on 'isDark'.
4. Add Label: Show 'Light Mode' or 'Dark Mode'.
5. Preview theme switching.

Switches between light and dark themes using a switch and conditional blocks.

Let’s Try →

Kodular Calculator App

1. Create variables: 'num1', 'num2', 'result'.
2. Add two Text Boxes for numbers.
3. Add Buttons '+', '-', '*', '/'.
4. Blocks: On button press -> Set 'result' = formula(num1 op num2).
5. Bind Label to 'result'.

A simple four-function calculator using number inputs and formula blocks.

Let’s Try →

Kodular Weather App

1. Add Text Box for city name input.
2. Create Web Component -> connect to weather API.
3. Bind API response to variable 'weatherData'.
4. Add Button 'Fetch' -> call API.
5. Bind Labels/ListView to display temperature and conditions.

Fetches weather info from an API and displays it using labels and list components.

Let’s Try →

Kodular Image Gallery

1. Create variable 'images' (list of URLs).
2. Add ListView bound to 'images'.
3. Inside ListView -> Add Image component bound to current item's URL.
4. Add Button 'Add Image' -> Append new URL to 'images'.
5. Preview images on device.

Displays images using list variables and ListView/Image components.

Let’s Try →

Kodular QR Scanner App

1. Add Button 'Scan QR'.
2. Add Barcode Scanner component -> connect to button.
3. Create variable 'qrResult'.
4. Store scanner output -> 'qrResult'.
5. Bind Label to 'qrResult' to show scanned data.

Scans QR codes and displays the result using device scanner component and logic blocks.

Let’s Try →

Frequently Asked Questions about Kodular

What is Kodular?

What are the primary use cases for Kodular?

Educational and learning apps. Small business apps for Android. Games and interactive apps using visual blocks. Apps with ad monetization and analytics. Rapid prototyping and MVP development

What are the strengths of Kodular?

What are the limitations of Kodular?

How can I practice Kodular typing speed?

CodeSpeedTest offers 10+ real Kodular code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.