Tool Comparisons

    Mailarrow vs Zeliq: Cold Email Platform vs Sales Engagement Platform Comparison

    Compare Mailarrow (cold email platform) and Zeliq (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    Editorial illustration for Mailarrow vs Zeliq
    August 22, 2026Updated September 2, 20266 min read
    Share:
    The short answer

    Mailarrow is a cold email platform built for outreach that lands in the inbox, starting at $39/mo with unlimited email warmup and unlimited mailboxes. Zeliq is a sales engagement platform for multichannel outreach across email, call, and social, starting free with lead search and enrichment. Many teams use both together rather than choosing one.

    Key takeaways

    • Mailarrow's Basic plan costs $39/mo for 2,000 active prospects and 6,000 emails, while Zeliq's Basic plan is free and allows importing up to 100 leads per month with 2 active sequences.
    • Mailarrow's Professional plan is $59/mo for 20,000 active prospects and 60,000 emails, and its Growth plan is $99/mo for 50,000 active prospects and 150,000 emails.
    • Zeliq's Starter plan costs $59/mo for 750 credits per month, covering 75 phone numbers or 750 emails.
    • Mailarrow lists unlimited email warmup, unlimited mailboxes, and AI personalization, while Zeliq lists multichannel sequences across email, call, and social along with lead search and waterfall enrichment.
    • Mailarrow integrates with Gmail, Outlook, Zoho, Zapier, and TrulyInbox, while Zeliq integrates with HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Gmail, Microsoft, and an API, with Gmail as the only integration shared by both.

    Reviewed and updated September 2, 2026

    Mailarrow vs Zeliq: Cold Email Platform vs Sales Engagement Platform Comparison

    Sales teams building an outbound stack often weigh Mailarrow, a cold email platform for cold email outreach, against Zeliq, a sales engagement platform for multi-channel sales outreach and engagement tracking. 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

    Mailarrow is a cold email platform for cold email outreach; Zeliq is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, Mailarrow lists unlimited email warmup and unlimited mailboxes, and Zeliq lists multichannel sequences across email, call and social and lead search with basic and advanced filters.

    Zeliq offers a lower entry point at $0/mo compared to Mailarrow at $39/mo.

    If your priority is sending campaigns that land in the inbox and generate replies, Mailarrow is the one built for it; for coordinating outreach across email, phone, and social channels, that is Zeliq. Many teams run one of each.

    Understanding the Core Difference

    Mailarrow is Cold email outreach software with email warmup, AI personalization, unlimited sequences and unlimited connected mailboxes. Users bring their own mailboxes and prospect lists; Mailarrow does not sell leads or provide inboxes.

    Zeliq is Sales prospecting and engagement platform that combines a lead search and waterfall enrichment hub with multichannel sequences across email, calls and social, plus a connected dialer and CRM sync.

    The two platforms take different approaches to solving the same core challenge.

    Pricing Comparison

    Pricing ladder: Pricing Comparison (Mailarrow, Zeliq, Basic, Professional)

    $39/moMailarrow entry plan

    Basic

    FreeZeliq entry plan

    Basic

    Entry pricing for Mailarrow and Zeliq, as published on each vendor's own pricing page.

    Mailarrow Pricing (as of September 2026)

    PlanPriceContactsEmails
    Basic$39/mo2,000 active prospects6,000 emails
    Professional$59/mo20,000 active prospects60,000 emails
    Growth$99/mo50,000 active prospects150,000 emails

    Source: Mailarrow Pricing

    Zeliq Pricing (as of September 2026)

    PlanPriceContactsEmails
    BasicFreeImport up to 100 leads per monthRun 2 active sequences (emails only)
    Starter$59/mo750 credits / month75 phone numbers or 750 emails
    CustomContact SalesStarts as from 24k credits/user/year-

    Source: Zeliq Pricing

    Pricing Analysis

    Zeliq offers the lower entry point ($0/mo vs $39/mo). Teams watching their budget will appreciate the savings, especially when starting out.

    Zeliq includes a free tier, which is helpful for evaluating the platform without upfront cost.

    Features Breakdown

    Mailarrow lists
    • Unlimited Email Warmup
    • Unlimited Mailboxes
    • AI Personalization
    • Sending mailbox rotation
    • Detailed campaign analytics
    • Bulk Prospects Import
    • and 4 more listed below
    Zeliq lists
    • Multichannel sequences across email, call and social
    • Lead search with basic and advanced filters
    • Enrichment Hub with waterfall enrichment
    • Chrome extension for enrichment
    • Lead engagement scoring
    • Dialer connection for calling from the platform
    • and 4 more listed below
    What Mailarrow and Zeliq each list on their own pages. The split is by exact wording, so a capability both offer can appear on both sides under different names.

    Mailarrow Key Features

    • Unlimited Email Warmup
    • Unlimited Mailboxes
    • AI Personalization
    • Sending mailbox rotation
    • Detailed campaign analytics
    • Bulk Prospects Import
    • Custom properties
    • Sending schedules
    • Advanced tracking
    • Reply tracking

    Zeliq Key Features

    • Multichannel sequences across email, call and social
    • Lead search with basic and advanced filters
    • Enrichment Hub with waterfall enrichment
    • Chrome extension for enrichment
    • Lead engagement scoring
    • Dialer connection for calling from the platform
    • Social automation
    • SDR and manager cockpits for reporting
    • Two-way CRM integration to pull and push records
    • Enrichment API

    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 Mailarrow

    • Unlimited Email Warmup
    • Unlimited Mailboxes
    • AI Personalization
    • Sending mailbox rotation
    • Detailed campaign analytics
    • Bulk Prospects Import
    • Custom properties
    • Sending schedules
    • Advanced tracking
    • Reply tracking

    Listed only by Zeliq

    • Multichannel sequences across email, call and social
    • Lead search with basic and advanced filters
    • Enrichment Hub with waterfall enrichment
    • Chrome extension for enrichment
    • Lead engagement scoring
    • Dialer connection for calling from the platform
    • Social automation
    • SDR and manager cockpits for reporting
    • Two-way CRM integration to pull and push records
    • Enrichment API

    Integration Ecosystem

    Integration grid: Integration Ecosystem (Mailarrow, Zeliq, Gmail, Outlook)

    Mailarrow Integrations

    Mailarrow connects with: Gmail, Outlook, Zoho, Zapier, TrulyInbox.

    Zeliq Integrations

    Zeliq connects with: HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Gmail, Microsoft, API.

    Shared Integrations

    Both tools integrate with: Gmail.

    Integrations listed only by Mailarrow: Outlook, Zoho, Zapier, TrulyInbox.

    Integrations listed only by Zeliq: HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Microsoft, API.

    Use Case Recommendations

    Best Fit for Mailarrow

    • Budget-conscious teams looking for an affordable cold email platform
    • Sales teams running high-volume outbound email campaigns
    • Agencies managing multiple client outreach programs
    • SDR teams focused on pipeline generation

    Best Fit for Zeliq

    • Budget-conscious teams looking for an affordable sales engagement platform
    • Organizations with complex tech stacks needing broad integration support (8 integrations)
    • Teams that want to start free and scale up as needs grow
    • Enterprise buyers who prefer custom pricing and dedicated support

    Feature Comparison Summary

    FeatureMailarrowZeliq
    Starting Price$39/moFree
    Top Tier Price$99/moContact Sales
    Total Features Listed1010
    Integrations58

    Getting Started Checklist

    Step sequence: Getting Started Checklist (Define cold email, Estimate expected email, List integrations, Sign up)

    1. Define your cold email outreach and multi-channel sales outreach and engagement tracking requirements and monthly budget
    2. Estimate your expected email sending volume and sequences and engagement actions to find the right tier
    3. List the integrations your team currently relies on
    4. Sign up for free trials or demos of both platforms
    5. Run a small test with each tool before making a commitment
    6. Evaluate the onboarding experience and support quality

    Final Thoughts

    Mailarrow serves the cold email outreach side of an outbound stack and Zeliq the multi-channel sales outreach and engagement tracking side. Zeliq offers a more accessible entry point, while Mailarrow starts at $39/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 Mailarrow and Zeliq for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between Mailarrow and Zeliq?
    Mailarrow is a cold email platform focused on cold email outreach, offering unlimited email warmup and unlimited mailboxes. Zeliq is a sales engagement platform for multichannel outreach and engagement tracking across email, call, and social, with lead search and waterfall enrichment. They cover different parts of the outbound workflow.
    Which is cheaper, Mailarrow or Zeliq?
    Zeliq has a lower entry point at $0/mo with its free Basic plan, compared to Mailarrow's Basic plan at $39/mo. However, Zeliq's Basic plan only allows importing up to 100 leads per month and running 2 active sequences with emails only, so the feature set differs at each price point.
    Does Mailarrow provide leads or mailboxes?
    No, Mailarrow does not sell leads or provide inboxes. Users must bring their own mailboxes and prospect lists, and Mailarrow focuses on cold email outreach features like email warmup, AI personalization, unlimited sequences, and unlimited connected mailboxes.
    What integrations does Zeliq support that Mailarrow doesn't?
    Zeliq integrates with HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Microsoft, and an API, none of which are listed by Mailarrow. Mailarrow instead lists Outlook, Zoho, Zapier, and TrulyInbox as integrations not shared with Zeliq. Gmail is the only integration both platforms have in common.
    Can I use both Mailarrow and Zeliq together?
    Yes, the article notes that many teams run one of each. Mailarrow can handle cold email campaigns designed to land in the inbox and generate replies, while Zeliq coordinates outreach across email, phone, and social channels, so the two tools can complement each other in a broader outbound stack.
    MailarrowZeliqCold Email PlatformSales Engagement PlatformComparisonemail-sendingsales-engagement
    Byline

    About the author.

    Tim Carden

    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

    Connect on LinkedIn →
    Your next move

    Ready to scale your outreach?

    We build GTM engines that book real meetings. See the receipts.

    Further reading

    Related articles.

    Tool Comparisons

    GetSales.io vs Yet Another Mail Merge: Sales Engagement Platform vs Cold Email Platform Comparison

    Compare GetSales.io (sales engagement platform) and Yet Another Mail Merge (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    6 min readRead →
    Tool Comparisons

    Enginy vs Success.ai: Sales Engagement Platform vs Cold Email Platform Comparison

    Compare Enginy (sales engagement platform) and Success.ai (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    6 min readRead →
    Tool Comparisons

    Artisan vs Yet Another Mail Merge: Sales Engagement Platform vs Cold Email Platform Comparison

    Compare Artisan (sales engagement platform) and Yet Another Mail Merge (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    6 min readRead →
    Tool Comparisons

    Hexospark vs JustCall: Cold Email Platform vs Sales Engagement Platform Comparison

    Compare Hexospark (cold email platform) and JustCall (sales engagement platform). See pricing, features, and integrations to decide which one, or both, your stack needs.

    7 min readRead →
    Tool Comparisons

    EmailBison vs Luru: Cold Email Platform vs Sales Engagement Platform Comparison

    Compare EmailBison (cold email platform) and Luru (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    5 min readRead →
    Tool Comparisons

    AroundDeal vs Leadspicker: Data Enrichment Tool vs Sales Engagement Platform Comparison

    Compare AroundDeal (data enrichment tool) and Leadspicker (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    5 min readRead →