Boost Inbox vs QuickMail: Email Warmup Tool vs Cold Email Platform Comparison
Compare Boost Inbox (email warmup tool) and QuickMail (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare Boost Inbox (email warmup tool) and QuickMail (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 2, 2026
Boost Inbox vs QuickMail: Email Warmup Tool vs Cold Email Platform Comparison
Sales teams building an outbound stack often weigh Boost Inbox, an email warmup tool for email domain warming and deliverability, against QuickMail, a cold email platform for cold email outreach. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
Boost Inbox is an email warmup tool for email domain warming and deliverability; QuickMail is a cold email platform for cold email outreach. By each vendor's own wording, Boost Inbox lists email warmup and fully automated, and QuickMail lists multichannel outreach (email and linkedin) and inbox rotation.
Boost Inbox offers a lower entry point at $5/mo compared to QuickMail at $49/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 QuickMail. 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.
QuickMail is Cold email outreach platform with multichannel campaigns, inbox rotation, auto warmup, and deliverability monitoring for agencies and sales teams.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Starter Plan
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
QuickMail Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter Plan | $49/mo | 1,000 Uploaded Contacts | 5,000 Emails Sent/mo. |
| Growth Plan | $99/mo | 25,000 Uploaded Contacts | 100,000 Emails Sent/mo. |
| Agency Plan | $299/mo | 100,000 Uploaded Contacts | 500,000 Emails Sent/mo. |
Source: QuickMail Pricing
Pricing Analysis
Boost Inbox is more affordable at the entry level ($5/mo vs $49/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
- Multichannel outreach (email and LinkedIn)
- Inbox rotation
- Auto email warmup
- Blacklist monitoring
- AI-driven follow-ups
- Google-approved sending API
- and 4 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
QuickMail Key Features
- Multichannel outreach (email and LinkedIn)
- Inbox rotation
- Auto email warmup
- Blacklist monitoring
- AI-driven follow-ups
- Google-approved sending API
- Advanced analytics
- Unlimited team members
- Reply handling
- 14-day free trial
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 QuickMail
- Multichannel outreach (email and LinkedIn)
- Inbox rotation
- Auto email warmup
- Blacklist monitoring
- AI-driven follow-ups
- Google-approved sending API
- Advanced analytics
- Unlimited team members
- Reply handling
- 14-day free trial
Integration Ecosystem
Boost Inbox Integrations
Boost Inbox connects with: Gmail, GSuite, Outlook 365, Yahoo Mail, Amazon SES, SMTP.
QuickMail Integrations
QuickMail connects with: HubSpot, Pipedrive, Zapier, Make, Slack, Gmail, Outlook, Google Sheets.
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 QuickMail: HubSpot, Pipedrive, Zapier, Make, Slack, Outlook, Google Sheets.
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 QuickMail
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (8 integrations)
Feature Comparison Summary
| Feature | Boost Inbox | QuickMail |
|---|---|---|
| Starting Price | $5/mo | $49/mo |
| Top Tier Price | $19/mo | $299/mo |
| Total Features Listed | 8 | 10 |
| Integrations | 6 | 8 |
| Founded | N/A | 2014 |
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 QuickMail the cold email outreach side. Boost Inbox offers a more accessible entry point at $5/mo, while QuickMail starts at $49/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 QuickMail for current information.
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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