GMass Logo
GMass
A Gmail extension that lets teams run large-scale personalized campaigns, automated follow-ups, scheduling, and deliverability tools directly from the inbox.
Paid; Paid from $18/mo
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A Chrome extension that transforms Gmail into a full-featured email marketing and cold outreach platform, enabling mail merges with live Google Sheets, scheduled sends, and campaign analytics within your existing inbox.

Includes deliverability and sending controls such as SMTP integration (including ColdSMTP), monitoring, spam-check tooling, real-time sending speed, and team-level unsubscribe and bounce management; recent additions include AI-powered spintax (SpinMax) and instant SMTP approvals to bypass Gmail limits.

Built for use cases from cold outreach and newsletters to transactional and internal communications, it also offers personalization at scale, automatic follow-up sequences, AB testing, link and list verification, and APIs/webhooks for automation and integrations.

You can learn more about pricing for GMass at its pricing page.

GMass can be categorized under Email Automation Toolss, which is commonly listed under Marketing Automation tools.

Not all similar tools offer the same features. Most include a free plan or trial, so you should be able to give them a try. You can browse some of the alternatives to GMass listed in the directory.

Some tools might also offer discounts or offers, especially for newer members. Most of these offers traditionally come as part of affiliate programs or promotions, but often you can reach out to companies and check whether they can give you special pricing.

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You can browse more tools like GMass, or check out all tools tagged under #marketing-automation

Compare GMass With Other Similar Tools

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ActiveCampaign Logo LogoActiveCampaign

ActiveCampaign is your solution for personalized email marketing, automation, and sales engagement.

Pricing: Custom

activetrail Logo Logoactivetrail

A multichannel marketing platform that builds data-driven, automated customer journeys across email, SMS, WhatsApp and push to improve engagement and ...

Pricing: Free

Automizy Logo LogoAutomizy

A marketing platform that helps teams increase open rates and automate campaigns using AI-driven subject-line scoring, A/B testing, and resend optimiz...

Pricing: Paid; Paid from $9/mo

Beehiiv Logo LogoBeehiiv

An all-in-one email publishing and website solution that helps creators grow audiences and monetize via ads, subscriptions, and built-in growth tools.

Pricing: Free

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