Best apps like Apollon - UML Modeling Editor

10+ similar apps compared and reviewed

3.6 avg rating
9 free apps
Updated September 2026

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.

Top Alternatives to Apollon

UMLite#1
2.0(1 ratings)
Free
UMLite screenshot 1
UMLite screenshot 2
UMLite screenshot 3
UMLite screenshot 4
UMLite screenshot 5
UMLite screenshot 6

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.

More apps like Apollon

4
ER Diagram AI
ER Diagram AI
ER Diagram AI
AI makes ER diagrams easy
Free
$4.99 | 100% OFF

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.

AI-assisted schema generationAutomatic SQL conversionIntuitive editing
🛠️ Developer Tools
(1)
freemium
5
Dexa: UML Class Diagrams
Dexa: UML Class Diagrams
Dexa: UML Class Diagrams
Design & Visualize UML Graphs
Free

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.

Visual drag-and-drop editorPlantUML and Mermaid import/exportSix relationship types
🛠️ Developer Tools
(0)
free with in-app purchases
6
MarkChart - Mermaid Editor
MarkChart - Mermaid Editor
MarkChart - Mermaid Editor
Mermaid diagrams
Free

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.

Mermaid diagram editingReal-time previewBuilt-in templates
🛠️ Developer Tools
(13)
free with in-app purchases
7
Code App
Code App
Code App
Desktop-class code editing
$6.99

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.

Desktop-class code editorBuilt-in Node.js, Python, C, C++, PHP, Java runtimesAutocompletion and language features
🛠️ Developer Tools
(301)
free
8
Flet
Flet
Flet
by Appveyor Systems Inc.
Free

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.

Real-time preview on iOSTest local or hosted appsInstant UI updates
🛠️ Developer Tools
(8)
free
9
JSON Editor Mobile
JSON Editor Mobile
JSON Editor Mobile
by VDT LABS S.R.L.
Free

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.

View and edit JSON in outline or text modesError-proof manipulation in outline modeSyntax coloring and auto-indentation in text mode
🛠️ Developer Tools
(11)
free with in-app purchases
10
SQLite Mobile Client
SQLite Mobile Client
SQLite Mobile Client
by Filippo Maguolo
Free

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.

Add, edit, delete recordsBrowse, filter, sort dataExport data to CSV, HTML, Excel
🛠️ Developer Tools
(196)
free with in-app purchases