About
Happy, also known as Happy Coder, is a free, open source mobile and web client that lets users spawn, view, and control multiple Claude Code AI coding agent sessions on any device, phone, tablet, laptop, or desktop, by syncing them in real time using an encrypted relay architecture so that a session started on one device can be continued seamlessly on another without losing context. It comprises three coordinated components, a CLI program that runs locally to launch and monitor Claude Code, a mobile app or web app that connects securely to the CLI session using end-to-end encryption so nobody (including the relay server) can read your data, and a relay server that simply passes encrypted blobs between devices without access to the contents; this design lets developers maintain their existing tools, editors, and workflows while adding remote control capability.
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About
Securely deploy vibe-coded apps in one governed platform. Build in Retool, import from tools like Claude Code, Replit, or Lovable, or connect via MCP. However your team builds, every app ships safely, with governance built in.
People across your organization are already vibe-coding internal tools with no SSO, no RBAC, no audit logs, and no connection to your existing data controls. Retool is where secure vibe coding happens by default. Build from scratch, import an app from another AI builder, or connect an agent via MCP — governance lives in the platform, not in each individual app.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers and AI programmers searching for a tool to control and interact with Claude Code from mobile devices and across multiple machines in real time
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Audience
Data teams, engineers, and operations teams at startups and enterprises looking to rapidly build secure, AI-powered internal tools that integrate with their existing systems
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
$10 per user per month
Free Version
Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Pros from Real UsersPros
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Supported
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Company InformationHappy Coder
United States
happy.engineering/
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Company InformationRetool
Founded: 2017
United States
retool.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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App Design Features
Change Management
Supported
Collaboration
Supported
Design Templates
Supported
Drag & Drop
Supported
Feature Library
Supported
Prototyping
Supported
Testing Management
Supported
Visual Interface
Supported
Low-Code Development Features
AI-Assisted Development
Not Supported
Business Process Automation
Supported
Collaborative Development
Supported
Data Aggregation and Publishing
Supported
Deployment Management
Supported
Drag & Drop
Supported
Integrations Management
Supported
Iteration Management
Supported
Performance Monitoring
Supported
Requirements Management
Supported
Templates
Supported
Visual Modeling
Supported
Web / Mobile App Development
Supported
Workflow Management
Supported
No-Code Development Features
AI-Assisted Development
Not Supported
Business Process Automation
Supported
Collaborative Development
Supported
Data Aggregation and Publishing
Supported
Deployment Management
Supported
Drag & Drop
Supported
Integrations Management
Supported
Iteration Management
Supported
Performance Monitoring
Supported
Requirements Management
Supported
Templates
Supported
Visual Modeling
Supported
Web / Mobile App Development
Supported
Workflow Management
Supported
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Integrations
Claude Code
Supported
AccessOwl
Not Supported
Active Directory
Not Supported
Adaptive
Not Supported
Amazon Redshift
Not Supported
Anthropic
Not Supported
Apache CouchDB
Not Supported
Denodo
Not Supported
Docker
Not Supported
Elasticsearch
Not Supported
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Integrations
Claude Code
Supported
AccessOwl
Supported
Active Directory
Supported
Adaptive
Supported
Amazon Redshift
Supported
Anthropic
Supported
Apache CouchDB
Supported
Denodo
Supported
Docker
Supported
Elasticsearch
Supported
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