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Reply.io vs Smartlead (2026)

Side-by-side comparison of Reply.io vs Smartlead: pricing, capabilities, integrations, deployment complexity, and ratings. Built from The AI Agent Index's verified listing data. Reply.io last verified October 25, 2026. Smartlead last verified October 30, 2026.

Data sourced from The AI Agent Index

Reply.io logo

Reply.io

by ReplyApp Inc.

Multichannel sales engagement platform for email, LinkedIn, calls and SMS, with live B2B data, deliverability tools and an MCP server. From $49/user/mo billed annually (USD).

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Smartlead logo

Smartlead

by 521 Products Pty Ltd (Smartlead)

Cold email platform with AI agents, a reply-sorting master inbox, deliverability infrastructure and an MCP server. Unlimited email accounts on every plan, from $39/month (USD).

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Reply.io
Smartlead
Pricing model
subscription
subscription
Starting price
$49/mo, billed annually
$39/mo
Pricing transparency
mostly public
mostly public
Contract type
both
both
Customer segment
Business
Business
Deployment
web, api, browser-extension
web, cloud, api
Setup difficulty
easy
easy
Avg setup time
—
—
Editorial rating
4.2 / 5
4.4 / 5
G2 rating
4.6/5 (1,563 reviews)
4.5/5 (458 reviews)
MCP
Server
Server
GitHub stars
N/A
N/A
Data training
Not Trained
Not Disclosed
Human in loop
optional
optional
Security certs
GDPR, CCPA
GDPR

Capabilities

Reply.io

outbound-automationemail-optimizationlead-generationpersonalizationmultilingualcrm-syncmcp-server

Smartlead

outbound-automationemail-optimizationlead-generationpersonalizationcrm-syncschedulingautonomousmcp-server

Pros & Limitations

Editorial assessment

Reply.io

Pros

  • ✓Email, LinkedIn, calls and SMS run in one sequence with a unified inbox, and email warm-up is included with every mailbox.
  • ✓Two-way CRM sync with HubSpot, Salesforce and Pipedrive, plus Zapier, Make, n8n, a public API, webhooks and a hosted MCP server for AI assistants.
  • ✓Self-serve plans are published in full from $49 per user per month billed annually, with a 14-day free trial.

Limitations

  • –On Email Volume plans, LinkedIn automation costs $69 per account and calls and SMS $29 a month on top of the base price.
  • –Only 50 live data credits a month are included on each plan, and more are sold in packs from $39 a month. Email Volume tiers also cap active contacts, from 1,000 a month on the entry tier.
  • –Core plans run sequences that people design. Autonomous prospecting and meeting booking need the separately priced Jason AI plans.

Smartlead

Pros

  • ✓Every plan includes unlimited email accounts, with automatic sender rotation, warmup and DNS setup.
  • ✓All plan and add-on prices are published, with monthly billing and a 14-day free trial that needs no credit card.
  • ✓Smartlead publishes an MCP server that gives Claude and other AI assistants access to campaigns, leads and replies.

Limitations

  • –Base has no CRM access, API or webhooks, which start at the $94/month Pro plan.
  • –Mailboxes, inbox placement testing, email verification and calling credits are billed as add-ons.
  • –Smartlead does not state whether customer data is used to train its AI features.

Frequently asked questions

How does pricing compare between Reply.io vs Smartlead?

Reply.io uses a subscription model, starting at $49 per month on an annual commitment (month-to-month costs more). Smartlead uses a subscription model, starting at $39 per month.

View full Reply.io profile

Pricing, reviews, integrations →

View full Smartlead profile

Pricing, reviews, integrations →

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