Comparison

Lindy vs Relay.app: Full Comparison for 2026

Lindy is an AI agent platform with voice capabilities and autonomous reasoning. Relay.app is a workflow builder focused on human-in-the-loop approvals. Both raised significant funding in 2025-2026. Here is how they compare and which one fits your use case.

The Core Difference

Lindy builds autonomous agents. You tell Lindy what you want accomplished and it decides how. It handles email, scheduling, research, and increasingly voice calls.

Relay.app builds supervised workflows. You design the flow step by step and Relay pauses for human approval at critical steps. It is automation with checkpoints.

Lindy leans autonomous. Relay leans cautious. Pick based on how much human oversight your workflows need.

What Lindy Does

Email triage: Lindy reads your inbox, drafts replies, and files messages.

Calendar management: Lindy schedules meetings across participants and time zones.

Research: Lindy investigates leads, companies, or topics and delivers a summary.

Voice agents: Lindy can answer calls, take messages, or make outbound calls using AI voice.

Funding: around $54M raised by early 2026. Growing fast in content marketing and brand.

What Relay.app Does

Approval workflows: send a draft for human review before it ships.

Multi-step automation: chain actions with pauses for humans at key decision points.

Playbooks: reusable templates for common workflows.

AI drafting: use LLMs to draft emails, documents, or messages that a human approves.

Funding: around $8.1M raised. Smaller but growing steadily with a loyal user base.

Pricing

Lindy: starts around $50/month. Scales based on tasks and voice minutes.

Relay.app: free tier available. Paid plans start around $30/month per user.

Both get more expensive at volume. Lindy's voice features can push costs up quickly.

Who Should Pick Lindy

Solopreneurs and small teams who want an AI assistant that handles real work.

Businesses that need voice automation: reception, appointment booking, outbound calls.

Teams comfortable with autonomous AI making decisions on their behalf.

Who Should Pick Relay.app

Teams that need human oversight before any customer-facing action.

Regulated industries where audit trails matter.

Businesses where mistakes are expensive and human review is non-negotiable.

Operations teams that want structured playbooks rather than free-form agents.

What Neither Solves

Customer discovery. Both platforms make your internal operations more efficient but neither helps you appear in ChatGPT, Claude, or Perplexity when your customers search for businesses like yours.

If your core problem is acquisition, not operations, you need an AI visibility layer. Agent Console HQ is built for exactly that.

Frequently Asked Questions

Neither is better. They solve different problems. Lindy is autonomous. Relay is supervised. Pick based on how much human oversight your workflows need.

Yes. Lindy has a voice feature that handles inbound calls using AI voices. It works well for appointment booking, basic Q&A, and message taking.

Structurally similar but Relay is built around human-in-the-loop approvals. Zapier is fully automated. Relay is intentionally slower and more cautious.

Relay has a broader integration library. Lindy focuses on email, calendar, voice, and web research.

Both have free tiers or trials. Start with Lindy if you want autonomous tasks, Relay if you want supervised workflows.

Relay, because of its human-approval model. Lindy is more autonomous, which increases risk in compliance-heavy environments.

Several platforms (n8n, Gumloop) let you build either autonomous or supervised flows. The rigid autonomous/supervised split is mostly a product positioning choice, not a technical limitation.