Comparison

Dexa vs Code Island Buddy

Price, ratings, monetisation and update history for both apps, side by side — 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

Code Island Buddy

Features
Read full description

Code Island Buddy 是 Code Island Mac 应用的 iPhone 与 Apple Watch 伴随端。 它会把 Mac 上当前 AI agent 的状态同步到 iPhone、灵动岛、锁屏、StandBy 和 Apple Watch。你可以快速查看当前会话、工作区、工具调用、最近动态,以及需要你回答的问题。 适合希望在 Mac 外继续关注 AI 编程会话的开发者:当 agent 正在处理、等待审批、遇到问题或进入空闲状态时,iPhone 和 Apple Watch 都能给你一个轻量的状态窗口。 主要功能: - iPhone 端连接 Mac 上的 Code Island - 灵动岛和锁屏实时活动展示当前会话 - StandBy 横屏展示一个或多个会话状态 - Apple Watch app 和小组件同步最新状态 - 演示模式可在没有 Mac 的情况下预览完整体验 本应用不需要账号,不依赖外部服务器。设备之间的同步发生在你的本地网络和 Apple 设备能力内。

Screenshots

Dexa3 screens
Code Island Buddy4 screens

Verdict

The call

The clearest difference is in-app purchases: Code Island Buddy at none against Dexa's 1. Code Island Buddy also leads on iOS requirement (17.0 vs 26.0). Dexa's advantage is device support (4 vs 2). On price and ads there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Dexa sells 1 one-off in-app purchase. Code Island Buddy asks for nothing beyond the download.

Scorecard3 real differences · 4 level
Dexa versus Code Island Buddy: the parameters behind the verdict, then further details
ParameterDexaCode Island Buddy
PriceFreeFree
Positive reviews100.0% of reviews—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, Apple Watch
Requires iOS26.017.0 — better
Further details — not scored
Size4 MB5 MB
Age rating4+4+
DeveloperAle Mohamad昊南 夏

In-app purchases

1 purchases

Dexa

One-time1
  • Dexa Pro$3.99
None

Code Island Buddy

No in-app purchases

Questions

Is Dexa free?
Dexa is free to download, with in-app purchases available.
Is Code Island Buddy free?
Code Island Buddy is free to download, with no in-app purchases.
Do Dexa or Code Island Buddy have ads?
Neither Dexa nor Code Island Buddy shows ads.

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