Quickly create, view, and share UML diagrams on your mobile device. Features a line-numbered editor for efficient diagramming and live previews to see your designs instantly. Export your creations and customize their appearance with various themes.






10+ similar apps compared and reviewed
Looking for something like Apollon? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.






Quickly create, view, and share UML diagrams on your mobile device. Features a line-numbered editor for efficient diagramming and live previews to see your designs instantly. Export your creations and customize their appearance with various themes.





Effortlessly create, visualize, and export complex data models for your projects. Design entities, relationships, and attributes with an intuitive editor. Add data to test your models and export them as JSON documents or diagrams.






Design and visualize database schemas effortlessly with AI assistance. Quickly generate schemas from outlines, make detailed adjustments, and convert diagrams to SQL for various databases. Ideal for new development, reviews, collaboration, and learning.


Create professional UML class diagrams visually or with code. Supports PlantUML and Mermaid syntax, offering a drag-and-drop interface with auto-layout. Export diagrams in high-resolution formats and sync seamlessly across Apple devices.


This app allows you to easily create and preview diagrams using a Markdown-inspired text syntax. It offers templates for various diagram types and supports automatic updates when used with external editors. Export your creations to common image formats.


This app offers a desktop-class code editing experience on iPadOS. It includes built-in runtimes for popular languages like Node.js, Python, and Java, along with advanced features such as autocompletion and Git integration.


This app allows developers to instantly preview and test their Python-based Flet applications on iOS devices. It connects to local or hosted Flet apps, enabling real-time UI updates without the need for rebuilding or publishing. This streamlines the development workflow for creating cross-platform applications.


This application allows users to create, visualize, modify, and validate JSON data. It offers both outline and text modes for editing, with features like syntax coloring, auto-indentation, and find/replace functionality. Premium features, including saving documents, are available via a one-time in-app purchase.


Manage SQLite databases with a clean iOS interface. Add, edit, and delete records, browse and filter data, and export to various formats. Integrates with AI tools and offers chart generation.