Best hYYa ink alternatives: apps like hYYa ink: Markdown & JSON

10+ similar apps compared and reviewed

3.7 avg rating
9 free apps
Updated November 2026

hYYa ink is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to hYYa ink

More apps like hYYa ink

4
Diagrammar: Mermaid Diagram
Diagrammar: Mermaid Diagram
Diagrammar: Mermaid Diagram
PlantUML, D2 & DOT Editor
Free
πŸ› οΈ Developer Tools
(0)
5
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Master Your Data Structure
Free
πŸ› οΈ Developer Tools
(0)
6
JSONDoc
JSONDoc
JSONDoc
JSON to Diagram Visualizer
Free

This app transforms complex JSON models into visual diagrams for easier understanding and communication. It ensures all your data remains on your device for complete privacy and security.

Transforms JSON models into visual diagramsEnhances readability of complex dataKeeps all JSON documents on your computer
πŸ› οΈ Developer Tools
(1)
free with in-app purchases
7
PrivyMermaid: AI Diagram
PrivyMermaid: AI Diagram
PrivyMermaid: AI Diagram
Generate, Fix & Edit Diagrams
Free

This app allows developers and technical writers to create, edit, and export diagrams using Mermaid and D2 languages. It offers offline functionality, local rendering, and project organization for efficient diagram management on mobile devices.

Mermaid and D2 diagram creationOffline diagram renderingImport and export SVG, PNG, PDF, GIF
πŸ› οΈ Developer Tools
(0)
free with in-app purchases
8
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
Parse JSON Strings and Files
Free
πŸ› οΈ Developer Tools
(0)
9
Dexa: UML Class Diagrams
Dexa: UML Class Diagrams
Dexa: UML Class Diagrams
Design & Visualize UML Graphs
Free

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.

Visual canvas editorPlantUML and Mermaid supportSix relationship types
πŸ› οΈ Developer Tools
(0)
freemium
10
ScarfGo
ScarfGo
ScarfGo
On-the-go Hermes companion
Free

This native iOS app connects to your self-hosted AI agent server, allowing you to manage sessions, browse memory, and view cron jobs on the go. It offers project-scoped chat and session resume capabilities, ensuring your data stays private and secure.

Multi-server configurationProject-scoped chatSession resume
πŸ› οΈ Developer Tools
(1)
free