GMass vs SMTP Ghost.
A Gmail-based mail-merge and campaign tool for people who prefer working inside their inbox.
Reviewed · Sources below
Explore this comparison
Choose the tool that fits the job.
A good fit when…
You want to send mail merges directly from Gmail and choose the plan with your required automation.
- Runs inside Gmail.
- Mail-merge personalization and email verification.
- Separate plans for individual senders and teams.
Keep email outreach in focus.
You want a dedicated campaign workspace with inbox rotation, warmup, and team collaboration together.
- Connect your sending accounts and organize campaigns.
- Prepare inboxes, personalize messages, and automate follow-ups.
- Review results with your team in one workspace.
Pricing needs context.
Prices below are in USD. Billing terms, allowances, add-ons, and taxes can change the total. Check the linked vendor pages before buying.
GMass
Standard: $29.95/month or $249/year.
Individual and team plans are separate. Higher tiers add sequences, A/B testing, API access, and inbox rotation.
View the official sourceSMTP Ghost Professional
$29.99 / month
Or $299.99 billed yearly. Includes unlimited connected email accounts, contacts, emails, campaigns, and team members, plus 1,000 enrichment credits.
Your email provider's limits still apply. Additional credit packs and your mailbox provider have separate costs.
View plans, free tier & credit packsLook beyond a feature checkbox.
Check these GMass details.
- Standard does not include sequences, A/B testing, or API access.
- Unlimited-email claims do not remove Gmail and provider sending constraints.
Check your SMTP Ghost workflow.
Review the specific integrations, campaign automation, and reporting you need. Test a small campaign before moving a team's full workflow.
Plan allowances describe software usage. Inbox placement also depends on authentication, sender reputation, list quality, and the messages you send.
Before you switch.
- Map the real workload.Count users, sending accounts, active contacts, monthly sends, and the data credits you need.
- Check what moves with you.Export the contacts, suppression lists, campaign content, and reporting you are permitted to move. Confirm any export restrictions with your current provider.
- Test the whole path.Verify domain authentication, connect a test inbox, and check replies, stop conditions, CRM updates, and unsubscribe handling before scaling.
Try a free email tool.
Email List Cleaner
Remove duplicates and blank entries, separate obvious formatting errors, and copy a cleaner list of email addresses.
Open free toolSpintax Generator & Preview
Write alternatives inside braces, preview nested variations, and copy the results before adding them to a campaign.
Open free toolSources & review notes.
We reviewed the official sources below on 2026-09-08. This is SMTP Ghost's editorial comparison; vendors do not endorse it. Feature availability can depend on plan and configuration.
Looking for the previous article? Read the historical comparison. It is preserved as an archive and may contain outdated information.