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Head-to-head · Google Workspace for Marketing Software

Mailchimp vs GMass

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Mailchimp #1 in Google Workspace for Marketing Software 9.3/10 Free plan · 14-day trial Free planFree trial✓ 1 of 5 features Visit Mailchimp
GMass #7 in Google Workspace for Marketing Software 8.0/10 Paid ✓ 1 of 5 features Visit GMass

Mailchimp leads on 1 check, GMass on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMailchimp · 9.3/10
  • Free planonly Mailchimp
  • Free trialonly Mailchimp

Mailchimp scores higher on our rubric for google workspace for marketing software: 9.3 against 8.0 out of 10; our editors rank them #1 and #7.

Mailchimp offers free plan; GMass doesn't.

Mailchimp is the better fit for businesses running segmented email campaigns. GMass is the better fit for gmail campaign sending with advanced tracking.

  • Mailchimp fits best

    Businesses running segmented email campaigns

  • GMass fits best

    Gmail campaign sending with advanced tracking

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Side by side

Feature Mailchimp 9.3/10 Visit ↗ GMass 8.0/10 Visit ↗
At a glance
Editor score 9.3 8.0
Ranking #1 in Google Workspace for Marketing Software #7 in Google Workspace for Marketing Software
Best for Businesses running segmented email campaigns Gmail campaign sending with advanced tracking
Pricing model Free plan + paid Paid
Starting price — —
Free plan ✓ (best) —
Free trial 14 days —
Deployment Cloud, Mobile Cloud, Browser extension
Platforms Web, iOS, Android Web, Chrome extension
Support Email, Live chat, Phone, Docs · 24/7 Email, Tickets, Docs
Integrations 300+ integrations 7 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Mailchimp 1/5 · GMass 1/5
Bulk email Not checked yet Not checked yet
Email automation ✓ (best) Not checked yet
Lead capture forms Not checked yet Not checked yet
Analytics and reporting Not checked yet Not checked yet
CRM sync Not checked yet ✓ (best)
Specs
Workspace surfaces Not checked yet Not checked yet
Contact limit Not checked yet Not checked yet
Our review
Pros
  • Combines email campaigns, automation, segmentation, and landing pages
  • Free plan includes A/B testing, forms, and 500 monthly email sends
  • Works across web, mobile, API, and 300 integrations
  • Personalized Gmail mail merge with conditional fields
  • Automated follow-ups, reply detection, and campaign analytics
  • API, webhooks, Zapier, and Google Sheets connectivity
Cons
  • Free plan is limited to 250 contacts and 500 monthly sends
  • Paid plan limits and features vary by contact count
  • Advanced testing and automation are reserved for paid tiers
  • No free plan is available
  • Outreach channels are limited to email
  • Automated warmup service is no longer offered
Our verdict

Mailchimp brings email campaigns, audience management, automation, landing pages, and campaign analytics into one service. It suits businesses that need more than a basic newsletter tool, including teams that want to segment audiences by…

Read the review →

GMass is a cloud email outreach and mail-merge tool delivered through Gmail, Google Workspace, and a Chrome extension. It is designed for individuals and teams sending personalized campaigns, newsletters, recruiting outreach, fundraising…

Read the review →
  1. MailchimpGoogle Workspace for Marketing Software 9.3Free plan · 14-day trial
  2. GMassGoogle Workspace for Marketing Software 8.0Paid

Strengths and trade-offs

  • Mailchimp — where it wins

    • Combines email campaigns, automation, segmentation, and landing pages
    • Free plan includes A/B testing, forms, and 500 monthly email sends
    • Works across web, mobile, API, and 300 integrations

    Where it doesn't

    • Free plan is limited to 250 contacts and 500 monthly sends
    • Paid plan limits and features vary by contact count
    • Advanced testing and automation are reserved for paid tiers

  • GMass — where it wins

    • Personalized Gmail mail merge with conditional fields
    • Automated follow-ups, reply detection, and campaign analytics
    • API, webhooks, Zapier, and Google Sheets connectivity

    Where it doesn't

    • No free plan is available
    • Outreach channels are limited to email
    • Automated warmup service is no longer offered
  • Mailchimp9.3/10 · Free plan · 14-day trial

    A broad email marketing suite with automation, landing pages, analytics, and integrations.

    Visit MailchimpFull verdict →
  • GMass8.0/10 · Paid

    A Gmail-native campaign tool for personalized sending, automation, and detailed tracking.

    Visit GMassFull verdict →

More comparisons

All google workspace for marketing software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update