GMass vs Zeliq: Cold Email Platform vs Sales Engagement Platform Comparison
Compare GMass (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.
GMass is a Gmail-based cold email platform starting at $29.95 per month with unlimited emails, contacts, and campaigns, while Zeliq is a sales engagement platform starting free that adds multichannel sequences across email, call, and social plus lead search and enrichment. GMass suits inbox-focused cold email; Zeliq suits multichannel outreach coordination. Many teams use both.
Key takeaways
- GMass Standard plan starts at $29.95 per month with unlimited emails, contacts, and campaigns, though Gmail sending limits apply.
- Zeliq offers a free Basic tier that allows importing up to 100 leads per month and running 2 active email-only sequences.
- Zeliq's Starter plan costs $59 per month and includes 750 credits per month covering 75 phone numbers or 750 emails.
- GMass integrates with Gmail, Google Sheets, Zapier, and Google Workspace, while Zeliq integrates with HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Gmail, Microsoft, and API access.
- GMass offers four pricing tiers compared to Zeliq's three, and the only integration both platforms share is Gmail.
Reviewed and updated September 2, 2026
GMass vs Zeliq: Cold Email Platform vs Sales Engagement Platform Comparison
Sales teams building an outbound stack often weigh GMass, 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
GMass 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, GMass lists works inside gmail and unlimited emails, contacts, and campaigns, 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 GMass at $29.95/mo.
If your priority is sending campaigns that land in the inbox and generate replies, GMass 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
GMass is Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.
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
Standard
Basic
GMass Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Standard | $29.95/mo | Unlimited | Unlimited (Gmail limits apply) |
| Premium | $39.95/mo | Unlimited | Unlimited (Gmail limits apply) |
| Professional | $59.95/mo | Unlimited | Unlimited (Gmail limits apply) |
| Teams (5 users) | $175/mo | Unlimited | Unlimited (Gmail limits apply) |
Source: GMass Pricing
Zeliq Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Basic | Free | Import up to 100 leads per month | Run 2 active sequences (emails only) |
| Starter | $59/mo | 750 credits / month | 75 phone numbers or 750 emails |
| Custom | Contact Sales | Starts as from 24k credits/user/year | - |
Source: Zeliq Pricing
Pricing Analysis
Zeliq offers the lower entry point ($0/mo vs $29.95/mo). Teams watching their budget will appreciate the savings, especially when starting out.
GMass offers 4 pricing tiers compared to Zeliq's 3, giving you more granularity as you scale.
Zeliq includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- Automated follow-up sequences
- A/B testing
- and 4 more listed below
- 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
GMass Key Features
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- Automated follow-up sequences
- A/B testing
- Spam Solver deliverability tool
- Custom tracking links
- Inbox rotation
- API and Zapier access
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 GMass
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- Automated follow-up sequences
- A/B testing
- Spam Solver deliverability tool
- Custom tracking links
- Inbox rotation
- API and Zapier access
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
GMass Integrations
GMass connects with: Gmail, Google Sheets, Zapier, Google Workspace.
Zeliq Integrations
Zeliq connects with: HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Gmail, Microsoft, API.
Shared Integrations
Both tools integrate with: Gmail.
Integrations listed only by GMass: Google Sheets, Zapier, Google Workspace.
Integrations listed only by Zeliq: HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Microsoft, API.
Use Case Recommendations
Best Fit for GMass
- 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
| Feature | GMass | Zeliq |
|---|---|---|
| Starting Price | $29.95/mo | Free |
| Top Tier Price | $175/mo | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 4 | 8 |
| Founded | 2015 | N/A |
Getting Started Checklist
- Define your cold email outreach and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected email sending volume and sequences and engagement actions 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
GMass 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 GMass starts at $29.95/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 GMass and Zeliq for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between GMass and Zeliq?
- GMass is a Gmail-based cold email platform built for sending mass email campaigns with mail merge and deliverability tools, while Zeliq is a sales engagement platform for multichannel outreach that combines lead search, enrichment, and sequences across email, call, and social channels.
- Which is cheaper, GMass or Zeliq?
- Zeliq has the lower entry point with a free Basic plan, while GMass starts at $29.95 per month for its Standard plan. Zeliq's free tier limits users to importing 100 leads per month and running 2 active email-only sequences, so the free option has restrictions.
- Does GMass work outside of Gmail?
- The article describes GMass as working inside Gmail, listing that as one of its core features alongside unlimited emails, contacts, and campaigns. Its integrations are also centered on the Google ecosystem, including Google Sheets, Zapier, and Google Workspace.
- Can Zeliq be used for calling and social outreach, not just email?
- Yes, Zeliq lists multichannel sequences across email, call, and social as a key feature, along with a dialer connection for calling directly from the platform and social automation. This differs from GMass, which is focused on email-based outreach inside Gmail.
- Should a sales team use both GMass and Zeliq together?
- The article notes that many teams run one of each, since GMass is built for inbox-landing cold email campaigns while Zeliq is built for coordinating outreach across email, phone, and social channels. The two tools cover different parts of the outbound workflow.
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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