AI email assistants , by Mailmeteor SAS , since 2018
Mailmeteor
Gmail mail-merge add-on with an AI email writer for personalized bulk sending
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- PLUGIN
What Mailmeteor does
Mailmeteor runs as a Google Sheets/Gmail add-on for mail-merge campaigns, newsletters, cold outreach, and personalized bulk email, with open/click tracking, scheduling, and an AI writer plus Autopilot on paid tiers. It's built for solo founders, recruiters, and small teams doing outreach from a normal Gmail account rather than a dedicated sending platform.
What you get: Gmail/Sheets mail merge, Open & click tracking, Send scheduling, AI email writer (Premium+), Email warmup & verification, Reply detection, Zapier integration.
Typical jobs: mail merge tool for gmail with tracking; personalized bulk email from google sheets; ai email writer for cold outreach in gmail; email warmup and deliverability for gmail.
Worth knowing: AI writer is gated behind the Premium tier; all sending still passes through Gmail's own daily limits, capping true throughput regardless of plan.
What users complain about: Reviewers ask for 'more adaptable scheduling options,' 'better template management,' 'enhanced automation,' and note customization and sending quotas 'could be improved,' plus a desire for built-in list verification. (GetApp reviews)
Pricing and plan limits
Verified August 2026| Plan | Monthly | Annual (per mo) | Limits |
|---|---|---|---|
| Hobby | Free | Free | 500 emails/month, 50/day, up to 5,000 contacts |
| Starter | $5.99 | $4.99 | 5,000 emails/month, 250/day |
| Premium | $17.99 | $14.99 | 30,000 emails/month, 1,000/day |
| Professional | $35.99 | $29.99 | 60,000 emails/month, 2,000/day, up to 1,000,000 contacts |
Where it wins
- Real free tier (500 emails/month) usable for small newsletters or personal outreach
- Runs directly inside Gmail/Google Sheets, so no new client or inbox to manage
- AI writer plus email warmup and deliverability features bundled from the Premium tier up
- Established product with a large, mostly positive review base (4.7/5 across dozens of reviews)
- Straightforward per-email/per-day volume tiers that scale predictably in price
Where it falls short
- AI writer is only unlocked from the Premium tier ($17.99+/month), not available on Free or Starter
- Actual sending is still capped by Gmail's own daily sending limits regardless of plan
- Tied entirely to the Gmail/Google Workspace ecosystem; no standalone sending infrastructure
- Warmup/deliverability tooling is newer and less proven than dedicated cold-email platforms
- Team analytics and list-verification integrations are still marked 'coming soon'
How we scored it
Full methodology| Criterion | Weight | Score | Contribution |
|---|---|---|---|
| Capability | 30% | 6.0 | 1.80 |
| Value for money | 25% | 7.0 | 1.75 |
| Ease of use | 15% | 7.5 | 1.13 |
| Maturity | 15% | 7.0 | 1.05 |
| Support & docs | 10% | 6.5 | 0.65 |
| Momentum | 5% | 5.5 | 0.28 |
| Weighted total | 100% | 6.7 | 6.70 |
Alternatives to Mailmeteor
Chosen by editors, not sponsors-
SaneBoxPaidClosest match on capability
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Spark MailFreemiumClosest match on capability
-
MissivePaidOffers an API
-
MailMaestroFreemiumClosest match on capability
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