Inboxy vs QuickMail: Email Warmup Tool vs Cold Email Platform Comparison
Compare Inboxy (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.
Inboxy is an email warmup tool focused on domain warming and deliverability, priced from $47/mo, while QuickMail is a cold email platform for sending outreach campaigns, priced from $49/mo. They cover different parts of the outbound workflow rather than competing directly, so many teams use both together.
Key takeaways
- Inboxy's entry plan, Inboxy Pro, costs $47/mo and includes Gmail and Office 365 inboxes with 120 daily emails per inbox.
- QuickMail's Starter Plan costs $49/mo for 1,000 uploaded contacts and 5,000 emails sent per month.
- QuickMail offers three pricing tiers (Starter at $49/mo, Growth at $99/mo, and Agency at $299/mo) compared to Inboxy's single Pro plan.
- Inboxy lists nine features including Domain Score IQ Monitoring and IP Warm Up Service, while QuickMail lists ten including multichannel outreach and a 14-day free trial.
- Inboxy integrates with nine platforms such as Mailgun, Sendgrid, and Custom SMTP, while QuickMail integrates with eight including HubSpot, Pipedrive, and Slack.
Reviewed and updated September 2, 2026
Inboxy vs QuickMail: Email Warmup Tool vs Cold Email Platform Comparison
Sales teams building an outbound stack often weigh Inboxy, 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
Inboxy 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, Inboxy lists primary inbox supercharger and domain score iq monitoring, and QuickMail lists multichannel outreach (email and linkedin) and inbox rotation.
Inboxy offers a lower entry point at $47/mo compared to QuickMail at $49/mo.
If your priority is building sender reputation and improving inbox placement, Inboxy 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
Inboxy is Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.
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
Inboxy Pro
Starter Plan
Inboxy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Inboxy Pro | $47/mo | Gmail and Office 365 Inboxes | 120 Daily Emails Per Inbox |
Source: Inboxy 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
Inboxy is more affordable at the entry level ($47/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.
QuickMail offers 3 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.
Features Breakdown
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- and 3 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
Inboxy Key Features
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
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 Inboxy
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
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
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
QuickMail Integrations
QuickMail connects with: HubSpot, Pipedrive, Zapier, Make, Slack, Gmail, Outlook, Google Sheets.
Integrations listed only by Inboxy: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Integrations listed only by QuickMail: HubSpot, Pipedrive, Zapier, Make, Slack, Gmail, Outlook, Google Sheets.
Use Case Recommendations
Best Fit for Inboxy
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (9 integrations)
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Best Fit for QuickMail
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Feature Comparison Summary
| Feature | Inboxy | QuickMail |
|---|---|---|
| Starting Price | $47/mo | $49/mo |
| Top Tier Price | $47/mo | $299/mo |
| Total Features Listed | 9 | 10 |
| Integrations | 9 | 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
Inboxy serves the email domain warming and deliverability side of an outbound stack and QuickMail the cold email outreach side. Inboxy offers a more accessible entry point at $47/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 Inboxy and QuickMail for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Inboxy and QuickMail?
- Inboxy is an email warmup tool built to improve deliverability by gradually warming up domain and sender reputation, while QuickMail is a cold email platform built for sending outreach campaigns with multichannel and inbox rotation features. They address different stages of the outbound email workflow rather than the same problem.
- Which is cheaper, Inboxy or QuickMail?
- Inboxy is cheaper at the entry level, priced at $47/mo compared to QuickMail's Starter Plan at $49/mo. However, QuickMail offers three pricing tiers, Starter, Growth, and Agency, giving more options for scaling, whereas Inboxy has a single Pro plan at $47/mo.
- Can I use Inboxy and QuickMail together?
- Yes, the article notes that many teams run one of each since they cover different parts of the outbound stack. Inboxy handles domain warming and deliverability while QuickMail handles the actual cold email campaign sending, so they can complement rather than replace each other.
- What integrations does QuickMail support compared to Inboxy?
- QuickMail connects with HubSpot, Pipedrive, Zapier, Make, Slack, Gmail, Outlook, and Google Sheets. Inboxy instead connects with Personal Gmail, Google Workspace, Outlook/Office via SMTP and OAuth, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP, focused more on email sending infrastructure.
- Who is QuickMail best suited for?
- According to the article, QuickMail suits budget-conscious teams wanting an affordable cold email platform, teams needing a wide feature set of ten listed capabilities, sales teams running high-volume outbound campaigns, and agencies managing multiple client accounts.
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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