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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

DHTMLX Chatbot logo
DHTMLX Chatbot
✓ verifiedFree

Lightweight MIT-licensed JavaScript chatbot UI widget for building support-agent chat interfaces on top of any LLM.

92K visits/mo
CapMonster Cloud logo
CapMonster Cloud
✓ verifiedPaid

Cloud API that auto-solves reCAPTCHA, Cloudflare and other CAPTCHAs at ~99% success, pay-per-solve for automation and scraping.

408K visits/mo486 saves
Base44 logo
Base44
✓ verifiedFreemium

No-code AI platform that builds full-stack apps, websites and agents from plain-language prompts with hosting built in.

18M visits/mo
Angular.dev logo
Angular.dev
✓ verifiedFree

Google's open-source TypeScript framework for building scalable web apps, featuring signals, reactivity and first-party tooling.

1.1M visits/mo
OnSpace.AI logo
OnSpace.AI
✓ verifiedFreemium

No-code AI builder that turns prompts into full-stack iOS, Android and web apps with a managed backend and Stripe payments.

394K visits/mo54K saves
Pricing

No public pricing

reCAPTCHA v2: $0.60 per 1000 tokens
reCAPTCHA v3: $0.90 per 1000 tokens
Cloudflare Turnstile: $1.30 per 1000 tokens
Text CAPTCHA: $0.30 per 1000 tokens
Free: $0
Starter: $16/mo
Builder: $40/mo
Pro: $80/mo
Elite: $160/mo

No public pricing

Free: $0 (500 daily / 2,000 monthly credits)
Pro: $25/mo (up to 7,500 credits/mo)
Core features
  • MIT-licensed and free to use
  • Lightweight (~65kb) JavaScript widget
  • 4 message display modes plus typewriter effect
  • Markdown support and chat history
  • Backend hook to integrate any LLM
  • Responsive, mobile-friendly, read-only mode
  • API solving for reCAPTCHA, Cloudflare, GeeTest, AWS WAF and more
  • Up to 99% success rate
  • Built-in proxies included
  • SDKs for C#, Python, JS, Go, PHP
  • Chrome and Firefox extensions
  • Pay only for solved CAPTCHAs
  • Affiliate and volume-bonus programs
  • Prompt-to-app full-stack generation
  • Built-in backend, database and auth
  • One-click integrations (Slack, Notion, HubSpot, etc.)
  • Instant hosting and custom domains
  • Superagents for automated workflows
  • GitHub sync and code export
  • Signals-based fine-grained reactivity
  • Built-in control flow and deferrable views
  • Server-side rendering and hydration
  • First-party routing, forms and dependency injection
  • AI-forward tooling and MCP resources
  • In-browser tutorials and playground
  • AI app builder for iOS, Android and web
  • Managed backend via Supabase (DB, auth, storage)
  • Built-in Stripe payment integration
  • Agent mode with usage-based pricing
  • Mobile creator app for building on the go
  • GitHub export and code editor
Use cases
  • Adding an AI chat UI to web apps
  • Building LLM-powered support agents
  • Embedding chat widgets in existing products
  • Prototyping chatbot interfaces
  • Automating CAPTCHA-gated web scraping
  • Bypassing anti-bot challenges in bots and apps
  • Integrating captcha solving into software
  • Building internal tools and dashboards
  • Launching websites and landing pages
  • Creating customer portals and CRMs
  • Deploying AI agents that automate tasks
  • Building scalable single-page apps
  • Enterprise web application development
  • Performance-critical front ends
  • Learning modern web development
  • Building an MVP without coding
  • Launching mobile apps quickly
  • Prototyping app ideas
  • Adding payments to a no-code app
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