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About

A mass email service inside of Gmail. Get the highest open rates you've ever seen. Send cold emails with sequences that maximize responses. Send mail merge campaigns with automatic follow-ups. Pull from Google Sheets, not CSV files. Send emails as replies to the last thread with each person. Personalize. Schedule. Track opens, clicks, replies. Validate your list with our built-in verifier to maximize the deliverability. Say goodbye to CSV files. Connect to Google Sheets to send a personalized mass email using any of the columns in your spreadsheet. Use Gmail's powerful search feature to find messages containing recipients to whom you want to email. Then click the Build Email List button, and a Compose window will load containing the email addresses found in those messages. The only mass email service that does this! The easiest way to send cold email sequences in Gmail.

About

SendroAI brings a new era of Email Campaign Intelligence by combining personalization, automation, and real-time analytics in one platform. Built for inside sales teams and B2B marketers, it helps scale genuine conversations instead of generic outreach. With AI-powered campaign generation, SendroAI researches each prospect’s company, persona, and industry to create human-like email sequences. Its adaptive engine learns from geography, timing, and response patterns to improve performance continuously. Key capabilities include: A–Z email testing for unique, optimized messages Automated sequencing and follow-ups with AI timing Multilingual campaigns for global outreach AI research engine for personalized pitches Performance analytics for opens, replies, and conversions Unlike traditional email tools focused on volume, SendroAI enables intelligent, personalized outreach at scale, supported by a clean interface and deep analytics.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Professionals interested in a cold/mass email service inside of Gmail

Audience

Inside Sales Teams, B2B SaaS Companies, SDR / BDR Teams, Lead Generation Agencies, Growth Marketers, Founders launching new products

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$12.95 per month
Free Version
Free Trial

Pricing

$49/month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

GMass
Founded: 2015
United States
gmass.co

Company Information

SendroAI
Founded: 2025
India
sendro.ai/

Alternatives

lemlist

lemlist

lempire

Alternatives

GBlast

GBlast

Snov.io
Instantly

Instantly

Instantly.ai

Categories

Categories

Email Tracking Features

A/B Testing
Audience Segmentation
Campaign Management
Event-Based Notifications
Location Tracking
Team Management

Integrations

Gmail
Google Chrome
Google Sheets
Google Workspace
Hyperise
Microsoft 365
Microsoft Word
Pitchsail

Integrations

Gmail
Google Chrome
Google Sheets
Google Workspace
Hyperise
Microsoft 365
Microsoft Word
Pitchsail
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Claim GMass and update features and information
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