Best apps like MarkChart - Mermaid Editor

Whether you want more options like MarkChart or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to MarkChart

Happy: Codex & Claude Code App by Bulka, LLC

Codex & Claude Code on the go

Editor's Choice

4.9(991 ratings)

FreeIn-App Purchases

#45in Developer Tools

Happy: Codex & Claude Code App screenshot 1

Happy: Codex & Claude Code App screenshot 2

Happy: Codex & Claude Code App screenshot 3

Happy: Codex & Claude Code App screenshot 4

This app provides a secure mobile interface for AI coding assistants, allowing you to continue sessions and monitor progress from anywhere. It features end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Seamlessly switch between desktop and mobile for uninterrupted AI coding.

Enchanted Developers Only by Augustinas Malinauskas

Developer tool for LLMs

Strong Contender

4.3😊(83 ratings)

Free

This application allows LLM researchers to interact with self-hosted models through a chat interface. It supports the Ollama API and its ecosystem, enabling users to test prompts and switch between models with conversation context. The app also provides nicely formatted output for Markdown elements like tables, lists, and code.

What We Love

🎯 Clean, minimalist, lightweight interface
⚡ Fast and responsive performance
🔒 Privacy-focused local LLM support
🎤 Voice recognition and text-to-speech capabilities
✨ Seamless Ollama integration
💬 Intuitive chat experience
🎁 Completely free and open-source
🔧 Easy setup and configuration
📱 Native Apple app (not Electron)
⌨️ Keyboard shortcuts and Siri integration
🎨 Aesthetic and polished UI design
🚀 Auto-detection of local models
📎 File and image attachment support

Room to Improve

🐛 Frequent app crashes and freezing
🔌 Connection drops when app goes to background
⏱️ Non-configurable timeout settings
📜 Auto-scrolling prevents reading while streaming
🎯 Input field loses focus during response generation
🔗 Limited to Ollama, incompatible with LLM Studio
📱 iOS features significantly limited
🌍 No RTL language support
🔤 Poor contrast in light mode
💾 No cross-device sync capability
🖼️ Crashes with large file uploads
🎙️ Poor quality TTS output
⌨️ Difficult to hit submit button near audio button

Prompt 3 by Panic, Inc.

The SSH app with speed & style

Worth Considering

4.3😐(349 ratings)

FreeIn-App Purchases

#18in Developer Tools

A fully-native terminal emulator for Apple devices, offering robust connectivity for SSH, Mosh, and more. It features fast emulation, customizable clips, secure authentication, and cross-device syncing for a seamless experience.

What We Love

🚀 Fast and powerful
🔒 Secure with Secure Enclave support
👍 Great admin tool
👍 Continues to improve over time
👍 Fantastic terminal emulator on iPad

Room to Improve

🐛 Crashes frequently
🐛 Buggy and unreliable
🚫 Subscription required for full functionality
💰 Extremely expensive, especially for existing users
🤔 Lacks features compared to competitors
🤔 Questionable business practices

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SSH Client - Secure ShellFish

Terminal, Files & Finder

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This app provides a fast SSH terminal and remote file access, seamlessly integrating your SSH servers with your iOS device. It offers advanced text editing gestures, drag-and-drop file management, and built-in tmux support for persistent sessions. Access your server's file system directly within the Files app and automate transfers via Shortcuts.

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Reins: for Ollama & LM Studio

Private, Local AI Chat

Remote Ollama server accessPer-chat system promptsPrompt editing and regeneration

This app provides a mobile interface for interacting with self-hosted large language models. It allows users to connect to their Ollama servers remotely, manage multiple chats, customize prompts, and adjust advanced model parameters for research and experimentation.

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TablePlus - Database Client

Database management made easy

Multiple database driversSecure SSH tunneling and TLSDirect data and structure editing

Manage databases efficiently on iOS with a user-friendly interface and robust features. Supports multiple drivers, secure connections, direct data editing, advanced filtering, and smart query editing.

free with in-app purchases

(77)

Write diagram on all devices

MermaidEditor

$3.99

Create and edit diagrams and charts using mermaid-js syntax with real-time preview. Export your creations as PNG or SVG files and share them across all your Apple devices.

Mermaid-js syntax highlightingCode completionInstant preview

(10)

paid