Instantly vs TrulyInbox: Cross-Category Comparison
Compare Instantly (cold email platform) and TrulyInbox (email warmup tool) side by side. Understand how these tools fit different stages of your sales workflow.
Instantly and TrulyInbox serve different workflow stages: Instantly ($37/mo starting) is a cold email platform for campaign execution with unlimited accounts and a 450M+ lead database, while TrulyInbox (free plan available) specializes in email warmup and deliverability preparation with customizable ramp-up schedules. Most revenue teams use both tools together rather than choosing between them, since one handles sending campaigns and the other prepares domains for better inbox placement.
Key takeaways
- Instantly starts at $37/mo for 5,000 emails monthly while TrulyInbox offers a free forever plan with 10 warmup emails per day.
- TrulyInbox supports unlimited inbox connections on all paid plans, with customizable reply rates ranging from 10% to 65% depending on the tier.
- Instantly includes a 450M+ B2B lead database and unlimited email warmup as part of its cold email platform.
- The two tools have minimal feature overlap because they target different workflow stages: campaign execution versus deliverability preparation.
- Instantly integrates with 9 sales and automation tools including HubSpot and Salesforce, while TrulyInbox connects with 7 email providers including Gmail and Outlook.
Reviewed and updated February 6, 2026
Instantly vs TrulyInbox: Cross-Category Comparison
Should you invest in a dedicated cold email platform like Instantly or a email warmup tool like TrulyInbox? This is a common question for revenue teams building their outbound infrastructure. The answer depends on where your biggest gaps are.
Why Compare These Two Tools?
Both tools address email outreach, but at different stages. Email sending platforms execute campaigns while warmup tools prepare domains for better deliverability. Teams often evaluate whether an all-in-one platform can handle both or if dedicated tools perform better.
Instantly is a cold email platform focused on cold email outreach. Cold email platform with unlimited email accounts, unlimited warmup, and a 450M+ B2B lead database.
TrulyInbox is a email warmup tool focused on email domain warming and deliverability. Cost-effective email warmup platform that supports unlimited inbox connections on paid plans, with customizable reply rates, ramp-up schedules, and real-time deliverability scoring.
Where Each Tool Fits in Your Workflow
| Aspect | Instantly | TrulyInbox |
|---|---|---|
| Category | Cold Email Platform | Email Warmup Tool |
| Workflow Stage | Campaign execution | Deliverability preparation |
| Primary Focus | Cold email outreach | Email domain warming and deliverability |
| Starting Price | $37/mo | Free |
| Features Listed | 8 | 8 |
| Integrations | 9 | 7 |
Pricing Comparison
Instantly Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Growth | $37/mo | 1,000 contacts | 5,000 emails/month |
| Hypergrowth | $97/mo | 25,000 contacts | 100,000 emails/month |
| Light Speed | $358/mo | 100,000 contacts | 500,000 emails/month |
| Enterprise | Contact Sales | 100,000+ contacts | 500,000+ emails/month |
Source: Instantly Pricing
TrulyInbox Pricing (as of February 2026)
| Plan | Price | Emails |
|---|---|---|
| Free | Free | 10 warmup emails/day |
| Starter | $29/mo | 100 warmup emails/day |
| Growth | $79/mo | 1,000 warmup emails/day |
| Scale | $189/mo | 3,000 warmup emails/day |
| Business | $289/mo | 6,000 warmup emails/day |
Source: TrulyInbox Pricing
Pricing Context
These tools serve different purposes, so a direct price comparison requires context. Instantly starts at $37/mo for cold email outreach, while TrulyInbox starts at $0/mo for email domain warming and deliverability. Many teams end up paying for both since they address different workflow stages.
Feature Highlights
Instantly Key Capabilities (Cold Email Platform)
- Unlimited email accounts
- Unlimited email warmup
- Email verification
- Master inbox
- Campaign analytics
- A/B testing
- AI-powered features
- Dedicated IP rotation (Light Speed+)
TrulyInbox Key Capabilities (Email Warmup Tool)
- Unlimited email account connections on all paid plans
- Customizable reply rate per plan (10% to 65%)
- Customizable email ramp-up schedules
- Human-like email interaction simulation
- Real-time deliverability score tracking
- Multiple email open simulation for natural engagement
- Advanced warmup settings on higher plans
- Free forever plan with 1 inbox
Feature Overlap
These tools have minimal feature overlap, which makes sense given their different categories. They are more complementary than competitive.
Integration Ecosystem
Instantly Integrations
Instantly connects with: HubSpot, Salesforce, Pipedrive, Zapier, Make, n8n, Clay, Slack, Google Calendar.
TrulyInbox Integrations
TrulyInbox connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Zoho Mail, SMTP, Yahoo Mail.
When to Choose Instantly
- Your biggest gap is in campaign execution
- You already have a solid email warmup tool and need specialized cold email outreach capabilities
- You want an affordable entry point ($37/mo)
- Your team's primary bottleneck is cold email outreach
When to Choose TrulyInbox
- Your biggest gap is in deliverability preparation
- You already have a cold email platform and need better email domain warming and deliverability
- You want an affordable entry point ($0/mo)
- Your team's primary bottleneck is email domain warming and deliverability
Using Both Together
Many sales teams use both a cold email platform and a email warmup tool as part of their complete workflow. Instantly handles campaign execution while TrulyInbox covers deliverability preparation.
Check each tool's integration documentation to see how they connect in your specific tech stack.
Decision Framework
- Map your workflow gaps. Which stage needs the most improvement: campaign execution or deliverability preparation?
- Check your existing stack. Do you already have a tool covering one of these categories?
- Consider your budget. Can you invest in both, or do you need to prioritize one?
- Trial both. Sign up for free trials to evaluate each tool in your actual workflow.
- Measure ROI separately. Track the impact of each tool on its specific workflow stage.
Related Reading
- Best Instantly Alternatives in 2026
- Best TrulyInbox Alternatives in 2026
- Instantly vs Smartlead: Which Cold Email Platform Should You Actually Use?
- Instantly vs Lemlist: Complete Cold Email Platform Comparison for 2026
- Mailreach vs TrulyInbox: Email Warmup Tool Comparison
Pricing and features verified as of February 2026. Visit Instantly and TrulyInbox for current information.
Frequently asked questions.
Frequently asked questions- Can TrulyInbox replace Instantly for cold email outreach?
- No, TrulyInbox cannot replace Instantly because they serve different purposes. TrulyInbox is a warmup tool that prepares your email domains for better deliverability, while Instantly is a full cold email platform that executes campaigns, manages sequences, and includes features like A/B testing and a lead database. Most teams use both together rather than choosing one over the other.
- How much does it cost to use both Instantly and TrulyInbox together?
- Using both tools together starts at $37/mo if you use TrulyInbox's free plan with Instantly's Growth plan. For paid warmup capabilities, you'd pay $66/mo minimum (Instantly Growth at $37/mo plus TrulyInbox Starter at $29/mo). The actual cost depends on your email volume needs, with higher tiers reaching $447/mo for Instantly's Light Speed and TrulyInbox's Growth plans combined.
- Does Instantly include email warmup so I don't need TrulyInbox?
- Instantly does include unlimited email warmup as part of all its plans. However, some teams still choose to use a dedicated warmup tool like TrulyInbox because it offers specialized features like customizable reply rates, advanced ramp-up schedules, and real-time deliverability scoring. Whether you need both depends on how critical deliverability optimization is to your workflow.
- Which tool should I buy first for cold email outreach?
- Buy a cold email platform like Instantly first if your primary need is executing campaigns and reaching prospects. Choose a warmup tool like TrulyInbox first only if you already have a way to send campaigns but struggle with deliverability. Most teams prioritize campaign execution capabilities, then add dedicated warmup tools if deliverability becomes a bottleneck.
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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