21st

21st

21st.dev
21st AppDeploy

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21st:

About

21st is a developer platform that provides the fastest way to add AI agents directly into applications. The platform offers an SDK that allows developers to define, deploy, and run AI agents with minimal infrastructure setup. Developers can integrate agents using popular frameworks such as Next.js, React, TypeScript, Python, and Node.js. 21st includes built-in features like chat interfaces, session history, tool execution, memory, and real-time streaming responses. The platform also manages backend components such as sandboxed execution environments, authentication, rate limits, and observability. With support for Claude Code and Codex runtimes, developers can build agents that interact with tools, files, and APIs securely. By handling infrastructure and deployment automatically, 21st enables teams to launch production-ready AI agents quickly.
AppDeploy:

About

AppDeploy is chat-native deployment — go from AI chat to deployed app. Tell your current AI chat or agent what to build, AppDeploy.ai makes it real, without leaving the chat or touching infrastructure. Deploy a real, full-stack apps directly from ChatGPT, Claude, Cursor, Gemini, Claude Code, Codex, or any other AI assistant — and get a live URL in seconds, without leaving the chat. No Git, no CLI, no IDE required. Hosting, database, backend services, storage, auth, and AI integrations are handled automatically. Every deploy gives you a live application with a shareable URL — a real deployed app, not a prototype. AppDeploy works for builders of all levels - no setup screens, no technical decisions.
21st:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
AppDeploy:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
21st:

Audience

Software developers, startups, and product teams that want a fast and scalable way to build and deploy AI agents inside their applications
AppDeploy:

Audience

AppDeploy works for builders of all levels - no setup screens, no technical decisions.
21st:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
AppDeploy:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
21st:

API

Offers API Not Supported
AppDeploy:

API

Offers API Not Supported
21st:

Screenshots and Videos

AppDeploy:

Screenshots and Videos

21st:

Pricing

Free
Free Version Supported
Free Trial Not Supported
AppDeploy:

Pricing

$0
Unlimited apps. Every feature included. No credit card required.
Free Version Supported
Free Trial Supported
21st:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
AppDeploy:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
21st:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
AppDeploy:

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported
21st:

Company Information

21st.dev
21st.dev/
AppDeploy:

Company Information

AppDeploy
Founded: 2025
appdeploy.ai
21st:

Alternatives

AppDeploy:

Alternatives

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AppDeploy:
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4.4 out of 5 stars
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21st:
AppDeploy:
Greta

Greta

Questera
4.7 out of 5 stars
21st:
AppDeploy:
21st:

Categories

AI SDKs Supported
UI Design Supported
AppDeploy:

Categories

AI App Generators Supported
21st:

Integrations

ChatGPT Not Supported
Claude Not Supported
Claude Code Not Supported
Claude Cowork Not Supported
Claude Desktop Not Supported
Claude Duet Not Supported
Claude for Legal Not Supported
Codex CLI Not Supported
Cursor Not Supported
Gemini Not Supported
Google Antigravity Not Supported
Grok Bot Supported
Kiro Not Supported
Microsoft Copilot Not Supported
React Supported
Tailwind CSS Supported
shadcn/ui Supported
AppDeploy:

Integrations

ChatGPT Supported
Claude Supported
Claude Code Supported
Claude Cowork Supported
Claude Desktop Supported
Claude Duet Supported
Claude for Legal Supported
Codex CLI Supported
Cursor Supported
Gemini Supported
Google Antigravity Supported
Grok Bot Not Supported
Kiro Supported
Microsoft Copilot Supported
React Not Supported
Tailwind CSS Not Supported
shadcn/ui Not Supported
21st:
Claim 21st and update features and information
Claim 21st and update features and information
AppDeploy:
Claim AppDeploy and update features and information
Claim AppDeploy and update features and information