Supermetrics vs GMass

Supermetrics8.6Visit GMass8.0Visit

Higher score Supermetrics #4 in Google Workspace for Marketing Software 8.6/10 14-day trial Free trial✓ 0 of 5 features Visit Supermetrics

vs

GMass #7 in Google Workspace for Marketing Software 8.0/10 Paid ✓ 1 of 5 features Visit GMass

• Supermetrics fits best

  Teams consolidating marketing data across channels

• GMass fits best

  Gmail campaign sending with advanced tracking

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Side by side

Feature	Supermetrics 8.6/10 Visit ↗	GMass 8.0/10 Visit ↗
At a glance
Editor score	8.6	8.0
Ranking	#4 in Google Workspace for Marketing Software	#7 in Google Workspace for Marketing Software
Best for	Teams consolidating marketing data across channels	Gmail campaign sending with advanced tracking
Pricing model	Paid	Paid
Starting price	$44/mo	—
Free plan	—	—
Free trial	14 days	—
Deployment	Cloud	Cloud, Browser extension
Platforms	Web	Web, Chrome extension
Support	Tickets, Live chat, Email · 24/7	Email, Tickets, Docs
Integrations	170+ integrations	7 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Supermetrics 0/5 · GMass 1/5
Bulk email	Not checked yet	Not checked yet
Email automation	Not checked yet	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	Connects marketing, sales, and analytics sources to reporting destinations Schedules syncs and supports custom dashboards and blended metrics Offers 170 integrations, including Google Sheets, Looker Studio, and BigQuery	Personalized Gmail mail merge with conditional fields Automated follow-ups, reply detection, and campaign analytics API, webhooks, Zapier, and Google Sheets connectivity
Cons	No perpetual free plan; the trial lasts 14 days Starter limits use to 3 sources, 1 destination, and 1 user Growth costs $177 per month with annual billing	No free plan is available Outreach channels are limited to email Automated warmup service is no longer offered
Our verdict	Supermetrics connects marketing, sales, and analytics sources with spreadsheets, BI tools, data warehouses, APIs, and AI tools. It is aimed at marketers, analysts, agencies, and data teams that need to bring channel data together for… 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 →

Strengths and trade-offs

• Supermetrics — where it wins

  • Connects marketing, sales, and analytics sources to reporting destinations
  • Schedules syncs and supports custom dashboards and blended metrics
  • Offers 170 integrations, including Google Sheets, Looker Studio, and BigQuery

  Where it doesn't

  • No perpetual free plan; the trial lasts 14 days
  • Starter limits use to 3 sources, 1 destination, and 1 user
  • Growth costs $177 per month with annual billing

• 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

• Supermetrics8.6/10 · 14-day trial

  A flexible pipeline for cross-channel reporting, with costs that rise as data needs grow.

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

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

  Visit GMassFull verdict →