COBOL IDE, Compiler & AI

COBOL IDE & Compiler is a FREE, AI-enabled complete COBOL development environment for Android. Whether you are a student learning legacy languages, a professional maintaining mainframe code on the go, or simply nostalgic for the elegance of COBOL, this app puts a fully-featured IDE in your pocket. An AI assistant has been embedded to help you fix errors and generate or optimize code.

Key features
• Create, edit and organize COBOL source files in multi-file projects
• Compilation with a standards-compliant COBOL compiler—no subscription/registration required
• AI assistant: generate code, explain, fix errors etc.
• Real-time syntax highlighting, auto-indent and keyword completion for faster, error-free coding
• One-tap build and run: see compiler messages, runtime output and return codes instantly. One tap to explain errors.
• Smart offline autocomplete system.
• 50+ Project templates and snippets, all offline.
• Export projects to file system.
• Choose from 30+ syntax highlighters, 10+ fonts etc.
• No sign-ups—your code stays on your device.

Why COBOL?
COBOL still powers 70 % of the world’s business transactions. Learning or maintaining it can open career doors and keep critical systems running. With COBOL IDE & Compiler you can practice on the train, prototype a report program at the café, or carry a complete emergency toolkit in your pocket.

Permissions
Internet access.

Ready to compile your first “Hello, world!” in COBOL? Download now and start coding anywhere.

Recent changes:
BIG UPDATE: We've redesigned the app and added new features. It's now more modern and easy to use. UI Palette themes have been added. Newer code templates have been added. AI tutor has been added. You can now learn using AI. AI models have been updated. Please update to this version. APK size has been significantly reduced. Thanks for checking out our app.