GMass vs SMTP2GO
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
GMass offers fewer features (41 vs 53) and more integrations (4 vs 3). Starting price: GMass at $29.95/mo vs SMTP2GO at $10/mo. GMass has 41 unique features while SMTP2GO has 53 unique features, with 0 features in common.
| GMass | SMTP2GO | |
|---|---|---|
| Category | Email Marketing | Email Marketing |
| Total Features | 41 | 53 |
| AI-Powered Features | 4 | 0 |
| Starting Price | $29.95/mo | $10/mo |
| Pricing Tiers | 13 | 4 |
| Integrations | 4 | 3 |
| Shared Features | 0 | |
| Shared Integrations | 0 | |
| Data Quality | 80% | 90% |
Feature Comparison by Category
AI (3 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| AI Template Builder | ||
| ChatGPT Integration | ||
| SpinMax - AI Spintax Generator |
Account Management (0 vs 4)
| Feature | GMass | SMTP2GO |
|---|---|---|
| API Keys | ||
| SMTP Users | ||
| Subaccounts | ||
| Team Members & Roles |
Analytics (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Deep Insights |
Authentication (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Automatic DKIM/SPF |
Authentication & Security (0 vs 4)
| Feature | GMass | SMTP2GO |
|---|---|---|
| IP Authentication | ||
| SPF and DKIM | ||
| TLS and SSL Encryption | ||
| Verified Senders |
Automation (7 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Automatic Follow-up Emails | ||
| Custom Sending Order | ||
| Reply Management | ||
| Schedule Mass Emails | ||
| Strict Day Count Between Follow-ups | ||
| Triggered Emails | ||
| Unlimited Auto Follow-up Stages |
CRM (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Google Sheets CRM |
Collaboration (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Fast Reply Management |
Communications (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| SMS Messaging |
Compliance (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| GDPR Compliance |
Compliance & Archives (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Email Archiving |
Compliance & Certifications (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| ISO27001 & ISO9001 Certification |
Compliance & List Management (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Unsubscribe Management |
Core Functionality (2 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Mass Emails in Gmail | ||
| Personalization |
Core Sending (0 vs 2)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Email API | ||
| SMTP Relay |
Deliverability (9 vs 3)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Blacklist Monitoring | ||
| Block Handling Settings | ||
| ColdSMTP Server | ||
| Delivery Routes | ||
| Email List Verification | ||
| Feedback Loop Monitoring | ||
| Inbox Rotation (MultiSend) | ||
| Instant SMTP Approvals | ||
| Multiple SMTP Servers | ||
| Real-time SPF Checks | ||
| Spam Solver | ||
| Spamtrap Detection |
Infrastructure (0 vs 6)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Additional Dedicated IPs | ||
| Best-Path Routing | ||
| Dedicated IP | ||
| IP Pools | ||
| Location Specific Services | ||
| Multiple Global Data Centers |
Infrastructure & Reliability (0 vs 2)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Guaranteed Uptime SLA | ||
| Redundant Multi Data Center Infrastructure |
Integration (2 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| API Access | ||
| Mail Merge with Google Sheets |
Integrations (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Third-party Integrations |
Integrations & Webhooks (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Webhooks |
List Management (3 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Dynamic Lists | ||
| Email List Builder | ||
| Suppression Management | ||
| Unsubscribe File Upload |
Monitoring (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Real-time Sending Speed Monitor |
Monitoring & Alerts (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Comprehensive Monitoring & Alerts |
Notifications (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| text.email - Email-to-SMS Alerts |
Optimization (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| A/B Testing |
Organization (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Template Management |
Personalization (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Countdown Timer |
Reporting (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Email Reporting & Analytics |
Reporting & Analytics (0 vs 7)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Activity Storage Duration Extension | ||
| Data Exports | ||
| Email Auditing | ||
| Real Time Activity Log | ||
| Scheduled Reports | ||
| Summary & Charts | ||
| Visual Reports |
Scheduling (2 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Campaign Daily End Time | ||
| Default Timezone Setting |
Security (0 vs 2)
| Feature | GMass | SMTP2GO |
|---|---|---|
| 2FA (Two-Factor Authentication) | ||
| IP Allowlisting |
Security & Control (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Restrict Recipients & Senders |
Security & Tracking (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| SSL/HTTPS Link Rewriting & Tracking |
Segmentation (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Behavior-based Campaigns |
Support (0 vs 4)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Live Chat Support | ||
| Priority Support | ||
| Ticket-based Support | ||
| Toll-free Phone Support |
Support & Documentation (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Knowledgebase |
Team Management (1 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Team Unsubscribe and Bounce Management |
Templates & Design (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| API Templates |
Testing (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Robust Testing |
Testing & Development (0 vs 2)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Email Testing Tools | ||
| Sandbox Mode |
Tracking (3 vs 0)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Custom Tracking Links with SSL | ||
| Improved Open Rate Tracking | ||
| Instant Reply and Bounce Detection |
Tracking & Analytics (0 vs 1)
| Feature | GMass | SMTP2GO |
|---|---|---|
| Open and Click Tracking |
Unique Features
Only in GMass (41)
AI Template Builder
ChatGPT Integration
SpinMax - AI Spintax Generator
Automatic Follow-up Emails
Custom Sending Order
Reply Management
Schedule Mass Emails
Strict Day Count Between Follow-ups
Triggered Emails
Unlimited Auto Follow-up Stages
Fast Reply Management
Mass Emails in Gmail
Personalization
Google Sheets CRM
Block Handling Settings
ColdSMTP Server
Delivery Routes
Email List Verification
Inbox Rotation (MultiSend)
Instant SMTP Approvals
+ 21 more unique features
Only in SMTP2GO (53)
API Keys
SMTP Users
Subaccounts
Team Members & Roles
Deep Insights
Automatic DKIM/SPF
IP Authentication
SPF and DKIM
TLS and SSL Encryption
Verified Senders
SMS Messaging
GDPR Compliance
Email Archiving
ISO27001 & ISO9001 Certification
Unsubscribe Management
Email API
SMTP Relay
Blacklist Monitoring
Feedback Loop Monitoring
Spamtrap Detection
+ 33 more unique features
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