Instantly.ai vs Reply.io
On the evidence we track, Instantly.ai leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for ai sdr sales agents. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Instantly.ai
LeaderSales engagement platform providing AI-driven automation for cold email outreach, lead enrichment from multiple data sources, and autonomous reply handling. Includes integration with CRMs like HubSpot, 450M+ B2B contact database, and tools to monitor campaign performance through pipeline and revenue metrics.
Reply.io
Reply.io is a sales engagement platform that automates prospecting, email campaigns, and follow-ups across email, LinkedIn, SMS, calls, and other channels. It includes AI-driven sequence automation, real-time lead enrichment, CRM integration, email warmup, and meeting scheduling.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Instantly.ai
LeaderFrom $94/month. Annual billing saves 10%.
- Starter$94/month; $85/month annual
- AI Sales Agent
- Database of 450M+ B2B leads
- 1500 Instantly credits monthly
- Scale$194/month; $175/month annual
- Everything in Starter
- AI Reply Agent
- Unibox replies
- Advanced deliverability features
- Premium Live Support
- Agency$555/month; $500/month annual
- Everything in Scale
- SISR System (private IP infrastructure)
- Dedicated Account Manager
- EnterpriseContact sales
- Everything in Agency
- Private Deliverability Network
- Dedicated GTM Engineer
- Custom infrastructure
Reply.io
From $29/user/month. 14-day free trial. Unlimited users and contacts per plan.
- Standard (Per User)$29/user/mo
- Email, LinkedIn, SMS, calls
- Unlimited users
- Unlimited contact storage
- Email warmup
- AI personalization
- +1 more
- LinkedIn Automation$69/month per account
- Connection requests, messages, engagement tasks
- Dialer & Cloud CallsFrom $20/month
- Click-to-call, call tracking, transcripts
- Real-time B2B DataFrom $39/month
- AI credits, live data, email validation
- Agency/HybridContact sales
- Multiple client workspaces
- Multichannel + AI agentic outreach
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Slack
- HubSpot
Instantly.ai
Leader- BetterContact
- Trigify
- Perplexity
Reply.io
- Salesforce
- Pipedrive
- Copper
- Close
- Google Workspace
- Gmail
- Microsoft 365
- LinkedIn Sales Navigator
- Calendly
- Google Calendar
- Zapier
- Make
- Google Postmaster
- MailToaster.ai
- Sales Navigator
- SMS
- SMTP
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.