# Dexa vs Octodoge GitHub Companion

The clearest difference is in-app purchases: Octodoge GitHub Companion at none against Dexa's 1. Octodoge GitHub Companion also leads on update cadence (every 4 days vs every 5 months). Dexa's advantage is device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Dexa sells 1 one-off in-app purchase. Octodoge GitHub Companion asks for nothing beyond the download.

Dexa ships an update every 5 months, Octodoge GitHub Companion every 4 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Dexa | Octodoge GitHub Companion |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 7 MB | 94 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ale Mohamad](https://appshunter.io/developer/569018219) | [Ilias Karim](https://appshunter.io/developer/1639941277) |

## What reviewers say

### Dexa

[App page](https://appshunter.io/ios/app/dexa-uml-class-diagrams/id6762662634)

Create and visualize UML class diagrams on Apple devices. Design visually on a canvas or use PlantUML/Mermaid code. Supports various relationship types and exports high-resolution diagrams with a Pro upgrade.

**Highlights:** Visual canvas editor, PlantUML and Mermaid support, Six relationship types, Auto layout with saved positions, Screen mirroring to TV, Export to PNG/PDF (Pro), iCloud synchronization

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dexa Pro | $3.99 | one-time |


### Octodoge GitHub Companion

[App page](https://appshunter.io/ios/app/octodoge-github-companion/id6784353654)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dexa free?

Dexa is free to download, with in-app purchases available.

### Is Octodoge GitHub Companion free?

Octodoge GitHub Companion is free to download, with no in-app purchases.

### Do Dexa or Octodoge GitHub Companion have ads?

Neither Dexa nor Octodoge GitHub Companion shows ads.

### Which is updated more often, Dexa or Octodoge GitHub Companion?

Dexa ships an update every 5 months, and Octodoge GitHub Companion every 4 days. Most recently, Dexa was updated on November 6, 2026 and Octodoge GitHub Companion on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*