Instantly vs MailToaster: Cold Email Platform vs Email Warmup Tool Comparison
Compare Instantly (cold email platform) and MailToaster (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Instantly is a cold email platform for sending outreach campaigns, priced from $47/mo with unlimited email accounts and warmup; MailToaster is an email warmup tool for building sender reputation, priced from $29/mo with automated warm-up across real inboxes. They solve different problems and many teams run both together rather than choosing one over the other.
Key takeaways
- Instantly's entry plan, Growth, costs $47/mo for 1,000 uploaded contacts and 5,000 emails monthly.
- MailToaster's entry plan, Email Warm-up, costs $29/mo per email account per month.
- Instantly offers 4 pricing tiers (Growth, Hypergrowth, Light Speed, Enterprise) compared to MailToaster's single published tier.
- Instantly lists 9 integrations including HubSpot, Salesforce, Pipedrive, Zapier, Make, n8n, Clay, Slack, and Google Calendar, while MailToaster lists only Gmail, GSuite, and Outlook.
- MailToaster lists multiple warm-up profiles that let users choose to build, maintain, or repair sender reputation.
Reviewed and updated September 2, 2026
Instantly vs MailToaster: Cold Email Platform vs Email Warmup Tool Comparison
Instantly (cold email platform) and MailToaster (email warmup tool) 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
Instantly is a cold email platform for cold email outreach; MailToaster is an email warmup tool for email domain warming and deliverability. By each vendor's own wording, Instantly lists unlimited email accounts and unlimited email warmup, and MailToaster lists 100% automated email warm-up process and trusted network of real inboxes for extra security.
MailToaster offers a lower entry point at $29/mo compared to Instantly at $47/mo.
If your priority is sending campaigns that land in the inbox and generate replies, Instantly is the one built for it; for building sender reputation and improving inbox placement, that is MailToaster. Many teams run one of each.
Understanding the Core Difference
Instantly is Cold email platform with unlimited email accounts, unlimited warmup, and a 450M+ B2B lead database.
MailToaster is Automated email warm-up service that builds, maintains and repairs sender reputation using peer-to-peer sending across a network of real inboxes. Warm-up profiles let you choose whether to build, maintain or repair reputation, and the system opens, replies to and removes messages from spam on your behalf.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Growth
Email Warm-up
Instantly Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Growth | $47/mo | 1000 Uploaded Contacts | 5000 Emails Monthly |
| Hypergrowth | $97/mo | 25 000 Uploaded Contacts | 125,000 emails/month |
| Light Speed | $358/mo | 100 000 Uploaded Contacts | 500 000 Emails Monthly |
| Enterprise | Contact Sales | 100 000+ Uploaded Contacts | 500 000+ Emails Monthly |
Source: Instantly Pricing
MailToaster Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Email Warm-up | $29/mo | Email account / month | Not published; volume is managed by the warm-up profile |
Source: MailToaster Pricing
Pricing Analysis
MailToaster offers the lower entry point ($29/mo vs $47/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Instantly offers 4 pricing tiers compared to MailToaster's 1, giving you more granularity as you scale.
Features Breakdown
- Unlimited email accounts
- Unlimited email warmup
- Email verification
- Master inbox
- Campaign analytics
- A/B testing
- and 2 more listed below
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- and 2 more listed below
Instantly Key Features
- Unlimited email accounts
- Unlimited email warmup
- Email verification
- Master inbox
- Campaign analytics
- A/B testing
- AI-powered features
- Dedicated IP rotation (Light Speed+)
MailToaster Key Features
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
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 Instantly
- Unlimited email accounts
- Unlimited email warmup
- Email verification
- Master inbox
- Campaign analytics
- A/B testing
- AI-powered features
- Dedicated IP rotation (Light Speed+)
Listed only by MailToaster
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
Integration Ecosystem
Instantly Integrations
Instantly connects with: HubSpot, Salesforce, Pipedrive, Zapier, Make, n8n, Clay, Slack, Google Calendar.
MailToaster Integrations
MailToaster connects with: Gmail, GSuite, Outlook.
Integrations listed only by Instantly: HubSpot, Salesforce, Pipedrive, Zapier, Make, n8n, Clay, Slack, Google Calendar.
Integrations listed only by MailToaster: Gmail, GSuite, Outlook.
Use Case Recommendations
Best Fit for Instantly
- Budget-conscious teams looking for an affordable cold email platform
- Organizations with complex tech stacks needing broad integration support (9 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for MailToaster
- 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
Feature Comparison Summary
| Feature | Instantly | MailToaster |
|---|---|---|
| Starting Price | $47/mo | $29/mo |
| Top Tier Price | Contact Sales | $29/mo |
| Total Features Listed | 8 | 8 |
| Integrations | 9 | 3 |
Getting Started Checklist
- Define your cold email outreach and email domain warming and deliverability requirements and monthly budget
- Estimate your expected email sending volume and warmup email 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
Instantly serves the cold email outreach side of an outbound stack and MailToaster the email domain warming and deliverability side. MailToaster offers a more accessible entry point at $29/mo, while Instantly starts at $47/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 Instantly and MailToaster for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Instantly and MailToaster?
- Instantly is a cold email platform built for sending outreach campaigns, while MailToaster is an email warmup tool focused on building and maintaining sender reputation for deliverability. Instantly lists unlimited email accounts and warmup, while MailToaster lists an automated warm-up process using a network of real inboxes.
- Which tool is cheaper, Instantly or MailToaster?
- MailToaster has the lower entry price at $29/mo for its Email Warm-up plan, compared to Instantly's Growth plan at $47/mo. Instantly offers more pricing tiers overall, four compared to MailToaster's one, giving more room to scale up.
- Can I use Instantly and MailToaster together?
- Yes, the article notes that many teams run one of each since the tools serve different functions in an outbound stack. Instantly handles sending campaigns and generating replies, while MailToaster focuses on improving inbox placement and sender reputation.
- What integrations does Instantly support that MailToaster doesn't?
- Instantly integrates with HubSpot, Salesforce, Pipedrive, Zapier, Make, n8n, Clay, Slack, and Google Calendar, totaling 9 integrations. MailToaster only lists integrations with Gmail, GSuite, and Outlook.
- Is MailToaster a good fit for teams launching new email domains?
- Yes, according to the article's use case recommendations, MailToaster is well suited for teams launching new email domains for outreach and for organizations recovering sender reputation. It offers multiple warm-up profiles designed to build, maintain, or repair reputation as needed.
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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