mailzy vsGMass.
A mail-merge and cold email tool that runs inside Gmail and sends through your own Gmail account. Here's how it compares with mailzy on price and features, where each one wins, and which suits you.
At a glance
- mailzyStarting price$27/mo
- GMassStarting price$29.95/mo
Prices checked October 20, 2026.
Prices.
What each one costs, from their own pricing pages (GMass) and our live prices (mailzy).
mailzy
- Starter $27/mo (2,500 new people a month)
- Growth $47/mo (10,000 new people a month)
- Scale $97/mo (30,000 new people a month)
- Google Workspace mailboxes $4/mailbox a month, warm-up included
Every plan has every feature, unlimited mailboxes and warm-up. Paying for 6 or 12 months costs less.
GMass
- Standard $29.95/mo
- Premium $39.95/mo
- Professional $59.95/mo (inbox rotation and a unified inbox)
- Team from $175/mo for 5 users
Annual billing: $249, $349 and $599 a year. Prices rose in January 2026.
Feature by feature.
"Not stated" means GMass's own pages don't say, so we don't guess.
| Feature | mailzy | GMass |
|---|---|---|
| Sends cold email campaigns | Yes | Yes |
| Connect unlimited mailboxes | Unlimited on every plan | Inbox rotation on Professional |
| Mailboxes set up for you | Google Workspace, $4/mailbox | Not stated |
| Domains bought and set up for you | .com $14.99/year, set up for you | Not stated |
| Warm-up included | Every mailbox, every plan | Not stated |
| One inbox for every reply | Unibox | Professional plan |
| Built-in CRM | Yes | Google Sheets template only |
| AI writing | AI credits included | Yes |
| Email verification | 100 free checks, then packs | Yes |
| Lead data | Lists from your Apollo or Sales Navigator search, $25 per 10,000 | Lists from your own Gmail |
| LinkedIn steps | No | Not stated |
| Pay by bKash | Yes | No |
| Free trial | 14 days, no card | Free to try, no card |
Where GMass wins.
- Works right inside Gmail, so there's nothing new to learn.
- Mail merge for any kind of personalised email, not only cold email.
- Free email verification.
Where mailzy wins.
- Google Workspace mailboxes ($4 a month each) and .com domains from the same account, set up for you.
- Warm-up, Unibox, a CRM and analytics on every plan, with unlimited mailboxes.
- An Email Verifier and verified lead lists in the same account, so nothing is bought elsewhere.
- Pay by card or bKash, in US dollars, with a 14-day free trial and no card needed.
The verdict.
GMass suits: Individuals who send from one Gmail account and want to stay inside Gmail.
mailzy suits: anyone who wants sending, mailboxes, warm-up, verification and replies in one account, priced by how many new people they reach, and doesn't need LinkedIn steps or a dialer.
GMass prices as shown on October 20, 2026 and features on October 20, 2026, from GMass price changes, January 2026 and GMass pricing. Prices change; check the vendor's site before you buy. mailzy prices are live.
mailzy vs GMass: questions.
Ask us on the chat if yours isn't here. A real person answers.
Is mailzy cheaper than GMass?
mailzy starts at $27/mo. GMass starts at $29.95/mo (Annual billing: $249, $349 and $599 a year. Prices rose in January 2026). Compare the whole set-up, not just the first price: with mailzy, mailboxes, domains, warm-up and verification can all come from the same account.
What does GMass do better than mailzy?
Works right inside Gmail, so there's nothing new to learn. Mail merge for any kind of personalised email, not only cold email. Free email verification.
Can I move from GMass to mailzy?
Yes. Export your leads as a CSV and import them into mailzy's Leads, connect your mailboxes (Google Workspace, Gmail or any provider over IMAP and SMTP), and rebuild your sequences in the campaign editor. Warm-up starts as soon as a mailbox is connected.
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Start free for 14 days. No card needed.