Boost Inbox vs Emailchaser: Email Warmup Tool vs Cold Email Platform Comparison
Compare Boost Inbox (email warmup tool) and Emailchaser (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Boost Inbox is an email warmup tool priced from $5 per month that builds sender reputation and deliverability through automated inbox activity. Emailchaser is a cold email platform priced from $23 per month that finds leads, connects unlimited email accounts and automates outreach sequences. The two tools are complementary, not competing, in most outbound stacks.
Key takeaways
- Boost Inbox's Starter plan costs $5 per month for 1 mailbox with 50 daily positive engagements.
- Emailchaser's Starter plan costs $23 per month for 1,000 active contacts, 1,500 lead credits and 5,000 emails with unlimited email accounts.
- Boost Inbox lists 8 features including email warmup, human review and inbox reputation analytics, none of which appear on Emailchaser's list.
- Emailchaser lists 9 features including unlimited email accounts, lead finder and A/B testing subject lines, none of which appear on Boost Inbox's list.
- Gmail is the only integration shared between Boost Inbox and Emailchaser, according to each vendor's published integration list.
Reviewed and updated September 2, 2026
Boost Inbox vs Emailchaser: Email Warmup Tool vs Cold Email Platform Comparison
Boost Inbox (email warmup tool) and Emailchaser (cold email platform) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
Boost Inbox is an email warmup tool for email domain warming and deliverability; Emailchaser is a cold email platform for cold email outreach. By each vendor's own wording, Boost Inbox lists email warmup and fully automated, and Emailchaser lists unlimited email accounts and lead finder.
Boost Inbox offers a lower entry point at $5/mo compared to Emailchaser at $23/mo.
If your priority is building sender reputation and improving inbox placement, Boost Inbox is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Emailchaser. Many teams run one of each.
Understanding the Core Difference
Boost Inbox is Email warmup service that gradually increases sending activity to build trust with email providers. It sends realistic emails from your inbox on a daily basis, keeps them out of spam, opens and bookmarks them, and replies to a portion of them to generate positive interactions.
Emailchaser is All-in-one cold email software that finds and verifies leads, connects unlimited email accounts and automates follow-up sequences. Plans are limited by emails sent, active contacts and lead credits rather than by mailbox count or seats.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Starter
Boost Inbox Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $5/mo | 1 Mailbox For Warmup | 50 Daily Positive Engagement |
| Team | $9/mo | 3 Mailboxes For Warmup | 50 Daily Positive Engagement per mailbox |
| Premium | $19/mo | 8 Mailboxes For Warmup | 50 Daily Positive Engagement per mailbox |
Source: Boost Inbox Pricing
Emailchaser Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $23/mo | 1,000 active contacts; 1,500 lead credits / month | 5,000 emails / month; unlimited email accounts |
| Pro | $47/mo | 25,000 active contacts; 5,000 lead credits / month | 125,000 emails / month; unlimited email accounts |
| Max | $179/mo | 100,000 active contacts; 10,000 lead credits / month | 500,000 emails / month; unlimited email accounts |
Source: Emailchaser Pricing
Pricing Analysis
Boost Inbox is more affordable at the entry level ($5/mo vs $23/mo). For teams with tight budgets or those just getting started with email domain warming and deliverability and cold email outreach, this price difference matters.
Features Breakdown
- Email Warmup
- Fully Automated
- Status Reports
- Human Review
- Premium Support
- Realistic emails sent from your inbox daily
- and 2 more listed below
- Unlimited email accounts
- Lead finder
- Webhooks + API
- Autopilot
- Workspaces
- A/B testing subject lines
- and 3 more listed below
Boost Inbox Key Features
- Email Warmup
- Fully Automated
- Status Reports
- Human Review
- Premium Support
- Realistic emails sent from your inbox daily
- Email health checker tool
- Inbox reputation analytics
Emailchaser Key Features
- Unlimited email accounts
- Lead finder
- Webhooks + API
- Autopilot
- Workspaces
- A/B testing subject lines
- Team seats
- Done-for-you setup
- 1-click import from Instantly
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by Boost Inbox
- Email Warmup
- Fully Automated
- Status Reports
- Human Review
- Premium Support
- Realistic emails sent from your inbox daily
- Email health checker tool
- Inbox reputation analytics
Listed only by Emailchaser
- Unlimited email accounts
- Lead finder
- Webhooks + API
- Autopilot
- Workspaces
- A/B testing subject lines
- Team seats
- Done-for-you setup
- 1-click import from Instantly
Integration Ecosystem
Boost Inbox Integrations
Boost Inbox connects with: Gmail, GSuite, Outlook 365, Yahoo Mail, Amazon SES, SMTP.
Emailchaser Integrations
Emailchaser connects with: Slack, HubSpot, Salesforce, Make.com, Gmail, Google Workspace, Microsoft, LinkedIn Sales Navigator.
Shared Integrations
Both tools integrate with: Gmail.
Integrations listed only by Boost Inbox: GSuite, Outlook 365, Yahoo Mail, Amazon SES, SMTP.
Integrations listed only by Emailchaser: Slack, HubSpot, Salesforce, Make.com, Google Workspace, Microsoft, LinkedIn Sales Navigator.
Use Case Recommendations
Best Fit for Boost Inbox
- Budget-conscious teams looking for an affordable email warmup tool
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Best Fit for Emailchaser
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (9 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (8 integrations)
Feature Comparison Summary
| Feature | Boost Inbox | Emailchaser |
|---|---|---|
| Starting Price | $5/mo | $23/mo |
| Top Tier Price | $19/mo | $179/mo |
| Total Features Listed | 8 | 9 |
| Integrations | 6 | 8 |
Getting Started Checklist
- Define your email domain warming and deliverability and cold email outreach requirements and monthly budget
- Estimate your expected warmup email volume and email sending volume to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Boost Inbox serves the email domain warming and deliverability side of an outbound stack and Emailchaser the cold email outreach side. Boost Inbox offers a more accessible entry point at $5/mo, while Emailchaser starts at $23/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit Boost Inbox and Emailchaser for current information.
Frequently asked questions.
Frequently asked questions- What is the difference between Boost Inbox and Emailchaser?
- Boost Inbox is an email warmup tool for building sender reputation and deliverability, while Emailchaser is a cold email platform for finding leads and sending outreach campaigns. They address different parts of an outbound stack, and many teams use both together rather than choosing one over the other.
- How much does Boost Inbox cost?
- Boost Inbox's Starter plan costs $5 per month for 1 mailbox with 50 daily positive engagements. The Team plan costs $9 per month for 3 mailboxes, and the Premium plan costs $19 per month for 8 mailboxes, each with 50 daily positive engagements per mailbox.
- How much does Emailchaser cost?
- Emailchaser's Starter plan costs $23 per month for 1,000 active contacts, 1,500 lead credits and 5,000 emails, with unlimited email accounts. The Pro plan costs $47 per month for 25,000 contacts and 125,000 emails, and the Max plan costs $179 per month for 100,000 contacts and 500,000 emails.
- Do Boost Inbox and Emailchaser integrate with the same tools?
- Only partially. Both connect with Gmail, but Boost Inbox also integrates with GSuite, Outlook 365, Yahoo Mail, Amazon SES and SMTP, while Emailchaser integrates with Slack, HubSpot, Salesforce, Make.com, Google Workspace, Microsoft and LinkedIn Sales Navigator.
- Which tool should I choose, Boost Inbox or Emailchaser?
- It depends on the goal. Boost Inbox suits budget-conscious teams launching new domains or recovering from deliverability issues, while Emailchaser suits teams that need a wide feature set or broad integration support for cold outreach campaigns. Many teams run both since they solve different problems.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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