Comparison

Dexa vs One Dev Tools

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Dexa

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.

Highlights
  • Visual drag-and-drop editor
  • PlantUML and Mermaid import/export
  • Six relationship types
  • Classes, interfaces, abstract classes, enums
  • Auto-layout algorithm
  • PNG/PDF export
  • iCloud sync
Features
Read full description

Dexa is a powerful UML class diagram editor designed for developers, students, and software architects. Build diagrams visually on an interactive canvas, or write them directly in PlantUML or Mermaid syntax. Key Features: - Visual drag-and-drop diagram editor with a zoomable canvas - Full PlantUML and Mermaid import/export support - Six relationship types: inheritance, association, aggregation, composition, dependency, and realization - Classes, interfaces, abstract classes, and enums with properties, methods, and visibility modifiers - Auto-layout powered by a Sugiyama hierarchical algorithm - Export diagrams as high-resolution PNG or PDF - Seamless iCloud sync across all your devices Whether you're mapping out a new project's architecture, studying object-oriented design, or documenting an existing codebase, Dexa gives you the tools to create clean, professional UML class diagrams, right from your Apple devices.

About

One Dev Tools

Features
Read full description

Streamline your engineering workflow and eliminate the friction of modern software development with One Dev Tools, the definitive digital multi-tool designed specifically for the professional programmer. This innovative platform serves as a unified command center, consolidating the essential utilities you reach for every hour into a single, high-performance environment. Instead of maintaining dozens of browser tabs and jumping between disjointed online services, the application provides a clinical yet intuitive workspace where logic, efficiency, and speed are prioritized. Whether you are a backend architect, a mobile specialist, or a web enthusiast, this software functions as a sophisticated neural bridge that transforms repetitive manual tasks into instantaneous, high-fidelity results. The heart of the experience lies in its comprehensive Tool Chain, a meticulously organized collection of formatting, network, and security modules. Access precision instruments like the JSON Formatter to validate and minify complex payloads, or utilize the Regex Tester to build and verify patterns with immediate matches. The system supports a vast array of daily requirements, including UUID generation, timestamp conversion, Base64 encoding, and SQL polishing. By integrating advanced on-device artificial intelligence, the platform offers smart suggestions that anticipate your next moveβ€”helping you keep sensitive data out of snippets by suggesting placeholders or validating structural integrity before minification. This holistic approach ensures that your routine work remains fast, private, and exceptionally reliable. One Dev Tools also features a revolutionary AI Workspace that acts as a senior-level technical partner. Beyond simple chat, this intelligent assistant helps you generate practical artifacts such as API contracts, mock data, and optimized SQL queries based on plain-language descriptions. You can consult the AI Chat for deep-dive explanations of complex debugging hurdles or senior-level architectural guidance in a secure, private environment. To further optimize your focus, the application allows you to split your workspace by tech stack, creating customized starter hubs for specific projects in DevOps, Games, or Frontend development. You can also build a personal library of reusable snippets, from React hooks to Bash scripts, ensuring your most vital code blocks are always one tap away. Reclaim your mental energy and master the magnificent art of shipping high-quality software with absolute confidence. One Dev Tools isn't just a utility; it is the ultimate shortcut to a cleaner, smarter, and more professional development experience.

Screenshots

Dexa3 screens
One Dev Tools4 screens

Verdict

The call

The clearest difference is in-app purchases: Dexa at none against One Dev Tools's 2. Dexa also leads on device support (4 vs 1). One Dev Tools's advantage is iOS requirement (17.6 vs 26.0). On price and ads there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. One Dev Tools sells 2 one-off in-app purchases. Dexa asks for nothing beyond the download.

Scorecard3 real differences Β· 5 level
Dexa versus One Dev Tools: the parameters behind the verdict, then further details
ParameterDexaOne Dev Tools
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyβ€”Fortnightly
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPad, Mac, Vision Pro β€” betteriPhone
Requires iOS26.017.6 β€” better
Further details β€” not scored
Size4 MB20 MB
Age rating4+4+
DeveloperAle MohamadSelma Lindqvist

In-app purchases

None

Dexa

No in-app purchases

2 purchases

One Dev Tools

One-time2
  • Premium Theme Neon Violet$1.99
  • One Casino$1.99

Questions

Is Dexa free?
Dexa is free to download, with no in-app purchases.
Is One Dev Tools free?
One Dev Tools is free to download, with in-app purchases available.
Do Dexa or One Dev Tools have ads?
Neither Dexa nor One Dev Tools shows ads.

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