Relay.app vs Retool

Side-by-side comparison of Relay.app and Retool: pricing, features, API access, and community ratings.

AI comparison summary

TL;DR: Relay.app specializes in conversational AI-driven workflow automation with human approval checkpoints and cross-app integrations, ideal for process automation that needs oversight. Retool focuses on rapidly building custom internal applications and admin panels with database connectivity and self-hosting options, making it better suited for creating data-driven dashboards and operational tools. Choose Relay for connecting and automating existing apps with AI assistance, or Retool for constructing purpose-built internal software from scratch with strong enterprise security features.

Relay.app
Relay.app

The AI automation platform you'll love to use — describe what you want, and Relay.app builds it.

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Retool
Retool

Build internal software better, with AI — fast, secure, and enterprise-ready.

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Category
Automation & agents
Automation & agents
Pricing
Freemium
Freemium
Starting price
Free tier
Audience
All audiences
All audiences
API available
Open source
Self-hostable
Model provider
Founded
2017
Headquarters
San Francisco, USA
Key strengths
  • ·Chat-first AI workflow builder powered by Opus 4.8
  • ·200+ app integrations with deep, fine-grained access control
  • ·Human-in-the-loop approval and review steps
  • ·Advanced primitives: dynamic waiting, branch merging, portable rich text
  • ·AI-powered app generation (AppGen) with enterprise governance built in
  • ·Connects to databases, warehouses, and APIs with no rebuild required
  • ·Self-hosting support for strict security and compliance requirements
  • ·End-to-end platform: build, launch, scale, and govern internal tools