GMass vs TrulyInbox

A factual comparison of features, pricing, and capabilities

Last updated: 2/6/2026

GMass

Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.

Starting at: $30/month

TrulyInbox

Cost-effective email warmup platform that supports unlimited inbox connections on paid plans, with customizable reply rates, ramp-up schedules, and real-time deliverability scoring.

Starting at: Contact for pricing

Pricing Comparison

Prices shown are monthly rates. Annual billing may offer discounts. Visit official websites for current pricing.

Feature Comparison

Feature	GMass	TrulyInbox
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
Unlimited email account connections on all paid plans
Customizable reply rate per plan (10% to 65%)
Customizable email ramp-up schedules
Human-like email interaction simulation
Real-time deliverability score tracking
Multiple email open simulation for natural engagement
Advanced warmup settings on higher plans
Free forever plan with 1 inbox

Available

Partial/Limited

Not Available

Integrations

GMass

GmailGoogle SheetsZapierGoogle Workspace

TrulyInbox

GmailGoogle WorkspaceOutlookMicrosoft 365Zoho MailSMTPYahoo Mail

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Information on this page is gathered from official sources and may change. Pricing and features were last verified on 2/6/2026. Please visit the official websites for the most current information.