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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.
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Chatbot Builder
✓ verifiedFree trial
No-code builder for AI chatbots that deploy across web, WhatsApp, Messenger, Instagram, and more, with a 14-day free trial.
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a0.dev
✓ verifiedFreemium
AI builder that turns chat prompts into publishable native mobile apps with backend, payments and analytics; young, pricing not public.
85K visits/mo
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VirtualSpirits
✓ verifiedPaid
Chatbot builder for websites, WhatsApp, and Messenger aimed at small businesses wanting no-code lead-gen and support bots.
2.2K visits/mo
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PromptLayer
✓ verifiedFree
Prompt engineering, management, and LLM observability platform.
212K visits/mo
Pricing
Basic: $25/mo (1 agent, 2,500 credits)
Professional: $95/mo (4 agents, 9,500 credits)
Free trial available
No public pricing
Professional: $29/month (up to 1,000 visitors/month)
Business: $99/month (up to 10,000 visitors/month)
i-Business: $239/month (up to 100,000 visitors/month)
Free trial available
No public pricing
Core features
- ✦No-code bot builder
- ✦Multichannel deployment (WhatsApp, Messenger, Instagram)
- ✦Train on uploaded files and links
- ✦Lead capture and conversation history
- ✦Zapier integration and custom actions
- ✦Choice of AI models
- ✦Custom objectives and human handoff
- ✦AI coding agent that writes and edits apps
- ✦One-click publishing to App Store and Google Play
- ✦Backend via Convex or Supabase
- ✦Built-in APIs for AI inference and image generation
- ✦Integrated payments
- ✦Growth analytics
- ✦Drag-and-drop chatbot builder with no coding required
- ✦Multi-channel deployment across web chat, WhatsApp, Messenger, and Instagram
- ✦Live chat handoff to human operators
- ✦Lead notifications sent to email and CRM
- ✦Chat history and web page targeting filters
- ✦30-day free trial with no credit card required
- ✦Prompt management
- ✦Prompt evaluations
- ✦LLM observability
- ✦Team collaboration
- ✦Version control for prompts
- ✦A/B testing of prompts
- ✦Prompt Registry
- ✦Historical backtests
- ✦Regression tests
- ✦Usage monitoring
Use cases
- →Automating customer support and sales
- →Capturing and qualifying leads
- →Deploying bots across messaging channels
- →Build a mobile app from a text description
- →Publish an app without manual coding
- →Monetize a self-built app
- →Capturing leads from a website visitor form flow
- →Providing 24/7 customer support across chat channels
- →Running conversational marketing campaigns
- →Ecommerce product Q&A automation
- →Scaling customer support automation with LLMs
- →Empowering non-technical teams with prompt engineering
- →Building personalized AI interactions
- →Debugging LLM agents
- →Improving content creation processes
- →Managing and monitoring prompts with a team
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