Cold email software · 34th of 35 · 2026
GMass pricing and review
gmass.co · Cold email sequencer · legal entity: GMass, Inc. · Visit site ↗
- Deliverability7/40
- Workflow8/30
- API & AI9/15
- Buying terms15/15
Why it ranks here
Cold email software. One account covers AI writing. Deliverability: inbox placement tests. It has a public API for automation.
Key features
- A public API
- AI writing
- Inbox placement tests
- A way to try before paying in full
Best for
Teams that bring their own inboxes and need a sequencer.
Pricing
- Cheapest plan
- $29.95/mo
Monthly billing. Pricing page ↗ · checked Oct 31, 2026
Scorecard
| DeliverabilityBuilt-in protection for sender reputation, and inboxes you can buy in the same account. | 7/40 | ||
|---|---|---|---|
| WorkflowWhat you can do in one product: replies, AI, leads, clients. | 8/30 | ||
| API and AI agentsAutomation from code or an AI assistant. | 9/15 | ||
| Buying termsHow much you risk before you know it works. | 15/15 | ||
| Total | 39/100 | 11 of 16 conditions checked |
The evidence
Every condition, what the vendor's own site says, and where.
| Deliverability | |||
|---|---|---|---|
Ongoing warm-up included in the priceNot offeredThe warm-up service has officially ended and can't be used anymore | source ↗ | 0/9 | |
Inbox placement or spam testsConfirmedInbox placement test Diagnose Inbox 14 of 20 test emails | source ↗ | 7/7 | |
| Sells inboxes inside the productNot offered | 0/7 | ||
| Dedicated IP optionNot found on site | 0/5 | ||
Automatic SPF, DKIM and DMARC setupNot offeredYour responsibility → Your SPF/DKIM/DMARC setup | source ↗ | 0/5 | |
| Replacement of burned inboxes or domainsNot found on site | 0/4 | ||
| Pre-warmed inboxesNot found on site | 0/3 | ||
| Workflow | |||
| Unified inbox for repliesNot found on site | 0/8 | ||
AI writing or AI reply handlingConfirmedAI campaign creation | source ↗ | 8/8 | |
| Built-in lead databaseNot found on site | 0/7 | ||
| Multi-client workspaces or white-labelNot found on site | 0/7 | ||
| API and AI agents | |||
Public APIConfirmedConnect apps with the REST API, webhooks, or Zapier | source ↗ | 9/9 | |
| Official MCP serverNot found on site | 0/6 | ||
| Buying terms | |||
Prices published on the siteConfirmedStandard $29.95 /month Billed monthly | source ↗ | 5/5 | |
Free plan, free trial or money-back guaranteeConfirmedGMass offers a free trial for 7 days, during which you can send 50 emails per day | source ↗ | 6/6 | |
Monthly billing availableConfirmedStandard $29.95 /month Billed monthly | source ↗ | 4/4 | |
Alternatives to GMass
Where we checked
- www.gmass.co/pricing
- www.gmass.co/warmup
- www.gmass.co/
- www.gmass.co/faq
- www.gmass.co/blog/affiliate-program/
Only the vendor's own public pages. We do not use third-party reviews or ratings. Something wrong? Send a correction.
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