GMass
6.5#3 in google workspace utilities softwareFrom $349 a yearWebExtension
VisitGMass vs Supermetrics
Supermetrics
6.5#15 in marketing analytics softwareWebAPI
VisitWhat both publish
| Fact | GMass | Supermetrics |
|---|---|---|
| Integrations | GMass lists a REST API, webhooks, Zapier, Google Sheets API, and SMTP relay as ways to connect with other apps and services. | The integrations directory includes sources such as Google Ads, Google Analytics 4, Facebook Ads, Shopify, TikTok Ads, and HubSpot. |
| Product | GMass sends newsletters, announcements, cold email campaigns, and transactional email from inside Gmail. | Supermetrics connects marketing platforms to reporting tools and AI chats so teams can analyze marketing data and act on insights. |
| Support | GMass directs customers to read support guidelines and submit a support form to contact its support team. | The homepage advertises 24/5 support across time zones. |
GMass plans
- Standard$20 a year
- Standard$29.95 a month
- Premium$39.95 a month
- Professional$59.95 a month
- Premium$349 a year
- Professional$599 a year
Supermetrics plans
- Starter (yearly billing)€39
- Starter€49 a month
- Growth (yearly billing)€159
- Growth€199 a month
- EnterprisePriced on request
Pick GMass if…
GMass suits outreach, sales, newsletters, internal communications, clubs, nonprofits, schools, and other groups sending campaigns through Gmail. It also fits teams needing Sheets-based personalization or API connections.
Pick Supermetrics if…
It suits marketing, data, development, and agency teams that need connected reporting. The listed destinations and APIs also support organizations building custom data workflows.