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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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Retool
✓ verifiedFreemium
AI-assisted low-code platform for building governed internal tools and workflows that connect directly to production data.
1.7K saves
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Blokay
✓ verifiedFreemium
AI builder that turns prompts into production-ready web components for internal dashboards and back-offices.
11K visits/mo
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RunningHub
✓ verifiedFreemium
All-in-one cloud platform combining ComfyUI workflows, AI apps, and model APIs for creators building image/video content pipelines.
1.4M visits/mo
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Google Opal
✓ verifiedFree
Google Labs experiment for building and sharing AI mini-apps from natural-language prompts, no coding required.
2.1M visits/mo
Pricing
Free: $0/mo (up to 5 users, 500 workflow runs/month)
Team: $10/mo per builder + $5/mo per internal user (5,000 workflow runs/month)
Business: $50/mo per builder + $15/mo per internal user (audit logging, unlimited resource environments)
Free trial available
Free: $0 (10,000 executions, up to 3 users)
Pay per user: $25/mo per user
No public pricing
No public pricing
Core features
- ✦AI prompt-to-app builder for production-ready internal tools
- ✦MCP server for building apps from external AI coding agents
- ✦Import of apps built in other platforms via ZIP or GitHub sync
- ✦Direct, permission-governed connections to production data sources
- ✦Workflow automation and orchestration across systems
- ✦Mobile app support alongside web apps
- ✦Enterprise access controls, SSO and audit logging
- ✦Self-hosting option for regulated environments
- ✦Prompt-to-component generation
- ✦Dashboard and back-office builder
- ✦Data source connections
- ✦Granular permissions
- ✦Log retention and GitHub backups
- ✦Generative AI features
- ✦Cloud-hosted ComfyUI workflow execution
- ✦Infinite canvas for iterative visual editing
- ✦Prebuilt quick-create AI apps and viral templates
- ✦Model, workflow and AI-application API access
- ✦Creator rewards and referral coin system
- ✦Access to trending models like Seedream and Seedance
- ✦Build AI mini-apps from natural-language prompts
- ✦Visual editor for prompt/tool workflows
- ✦Share created apps with others
- ✦No-code AI app prototyping
Use cases
- →Engineering and ops teams building internal admin tools fast
- →IT centralizing governance over AI-generated business apps
- →Enterprises building embedded portals for external users
- →Teams automating multi-step operational workflows
- →Building internal admin tools quickly
- →Creating customer or ops dashboards
- →Prototyping data-driven apps
- →Running ComfyUI workflows without owning GPU hardware
- →Producing short-form marketing and e-commerce video content
- →Building custom AI-powered creative apps
- →Generating image/video assets via API for other products
- →Prototyping an AI workflow quickly
- →Sharing a custom AI mini-app
- →Automating a task with chained prompts
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