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Cassidy and Relay.app compared on features, pricing and Editor Score — to help you pick the right productivity & automation tool in 2026.
Quick verdict
Cassidy and Relay.app score within a fraction of each other on our Editor Score. Pick Cassidy if you want unified company knowledge base for grounding; choose Relay.app for natural-language workflow building. On pricing, Relay.app is the one with a free or freemium plan, so it's the cheaper place to start.
| Pricing | Paid | Freemium |
| Free tier | ||
| Best for | unified company knowledge base for grounding | natural-language workflow building |
AI agents and workflows grounded in company knowledge
AI automation with built-in human-in-the-loop approvals
Choose Cassidy if…
Choose Relay.app if…
There's no one-size answer here: Cassidy leans into unified company knowledge base for grounding, while Relay.app is built for natural-language workflow building. Weigh features and pricing for your workflow. Relay.app is the lower-cost place to start thanks to its free or freemium plan; the other is worth a trial if its feature set fits better.
Neither is universally better — it depends on your budget and which features matter most. The side-by-side breakdown above shows where each one wins.
Cassidy (paid) is best for unified company knowledge base for grounding, while Relay.app (freemium) is best for natural-language workflow building. See the full feature and pricing comparison above.
Relay.app has a free or freemium plan, so it's the cheaper way to start. For paid plans, check each tool's current pricing on its review page.
Relay.app is usually the easier starting point thanks to a lower barrier to entry. Beginners should favour a free tier and a simple interface over raw power.
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Last updated August 2026. Comparisons are ranked by our Editor Score (features, value and pricing, blended with verified user reviews where a tool has them) — see our methodology.