This alarm clock requires users to solve a simple programming problem to turn it off. Problems are randomly selected from past AtCoder "A" tasks. Ensure you wake up on time with this unique challenge.



250+ iOS apps & games curated and reviewed
The best atcode apps and games on iPhone average 4.2★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Aug 2026 | |
| 2 | Free | 4.9★ (77) | No | No | Sep 2026 | |
| 3 | Free | 4.9★ (25) | No | No | Sep 2026 | |
| 4 | Free | 3.8★ (75) | No | No | Aug 2026 | |
| 5 | Free | 4.9★ (79) | Yes | Yes | Jul 2026 | |
| 6 | Free | 2.7★ (12) | No | No | Sep 2026 | |
| 7 | Free | 4.3★ (6) | Yes | No | Aug 2026 | |
| 8 | Free | 4.4★ (10) | No | No | Aug 2026 |



This alarm clock requires users to solve a simple programming problem to turn it off. Problems are randomly selected from past AtCoder "A" tasks. Ensure you wake up on time with this unique challenge.



This app allows you to run advanced AI coding assistants like Claude Code and Codex directly on your local machine. It provides hands-free voice control and integrates with your development workflow, keeping your code secure and private.



This app brings a desktop-class coding experience to mobile devices, enhanced with advanced speech-to-text capabilities. Code on the go with an open-source solution designed for seamless mobile integration.


This app provides coding challenges, tutorials, and a podcast to help users learn and improve their programming skills. It's designed for beginners and experienced coders alike, offering a comprehensive resource for expanding coding knowledge.


Learn programming from scratch with a revolutionary platform. This app offers personalized education through patented technologies, an embedded editor, and a unique virtual keyboard for coding on mobile devices.


Navigate a world of code-based puzzles. Stack commands to guide a hero through mazes and challenges. This game offers quick, engaging brain teasers for short breaks or extended play.


A mobile development environment featuring an AI coding companion and a multi-language console. Write, run, and simulate scripts, organize your code, and track progress with achievements. Offers a visually appealing, dark-themed interface.


This app acts as a secure bridge for AI coding agents, allowing you to run and continue sessions from your computer on your phone. It supports collaboration, reliable session resuming, and full history access with end-to-end encryption.


Control coding agents like Claude Code and Codex remotely from your phone. Review every code change, manage multiple computers, and collaborate with your team. Offers built-in GitHub integration and a live UI preview.


This app allows you to scan and interact with a new type of bidimensional code that can be read from much farther distances than traditional QR codes. It supports multiple simultaneous recognitions, even when moving or without focusing.


Prepare for technical interviews by identifying core coding patterns and analyzing your performance. Practice coding questions conveniently to improve your skills and pinpoint areas for growth.


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.


This mobile IDE and compiler allows you to write, compile, and execute code for over 85 languages on your device. It features AI-powered debugging and code generation, making it a comprehensive tool for programmers on the go. Sync and save your projects with advanced privacy controls.


Control AI coding agents on your machines from your phone. Securely pair devices, monitor agent activity live, and approve tool calls remotely. Your phone acts as a trusted authenticator for your development environment.


A powerful and intuitive code editor for mobile devices. Offers syntax highlighting, customizable themes, and seamless file management. Ideal for both beginners and experienced developers to code on the go.


This AI-powered coding assistant helps developers write and release software faster. It translates natural language into code, offers real-time knowledge, and provides intelligent code completion. Analyze screenshots, generate comments, and create commit messages with ease.


Access and manage your purchased IAPMO codes, including the UPC, UMC, and others. Make annotations, record voice notes, and view content offline. Stay informed with code errata, committee information, and breaking news.


This AI coding workspace brings your desktop workflow to your mobile device. Seamlessly connect to various AI coding tools to review, prompt, debug, and commit code from anywhere. Enjoy a secure and real-time experience without any setup.


Learn Swift programming through interactive, bite-sized exercises. Build code with drag-and-drop, test your knowledge with true/false questions, and practice typing code to build muscle memory. Detect errors and improve your logic and syntax comprehension.


Access your OpenCode server remotely from any device. Receive push notifications and utilize free remote tunnels for continuous session management. This unofficial application is built using OpenCode itself.