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GreenmorMail vs MailOnce

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GreenmorMail compared with MailOnce
DetailGreenmorMail logo GreenmorMailMailOnce logo MailOnce
What it doesProfessional business email with your own domain, no ads, no data mining Temporary email for verification messages and OTP codes in a browser-scoped, auto-expiring inbox
StageNot given Not given
FoundedNot given Not given
Based inIN Not given
Pricing modelNot given Free
Pricing$1 per mailbox per month when billed annually. Base plan includes 15 GB storage shared with Drive, 100 emails per day, 200,000 AI tokens and 10 hours of video meetings. Additional storage in 15 GB blocks and extra daily sending limits can be added per mailbox. Not given
Key features
  • Threaded email conversations with drag-and-drop filing
  • Outreach with multi-step campaigns and tracking
  • AI assistant with bring-your-own-API-key option
  • Calendar with booking links and task management
  • 15 GB shared Drive storage with document editing
  • Private team discussions on individual emails
  • Notes with quick capture and label organization
  • Video meetings with browser join and Drive recordings
  • Two-factor authentication with optional end-to-end encryption
  • Support for IMAP and SMTP mail clients
  • Instant temporary email creation without signup
  • Auto-expiring inbox after one hour, extendable to three hours
  • Automatic OTP code detection and copying
  • Verification link detection and opening
  • Custom email address selection
  • Secure device linking with QR code approval
  • Real-time message delivery without manual refresh
  • Multiple domain options for custom addresses
  • Safe email change with confirmation step
What makes it different
  • Manual renewal with no auto-billing surprises
  • Pay per mailbox instead of per organization, so heavy users don't upgrade everyone
  • Choice of India, EU or US data region and full data portability
  • No account creation required to use the service
  • Privacy-focused design with clear lifecycle boundaries
  • Security claims tied to implemented controls, not empty promises
  • Designed for practical utility rather than unnecessary features
Community votes00
DR (Domain Rating by Ahrefs)30 no change since last check2 −1 (down) since last check
Trust Flow (Majestic)224
Citation Flow (Majestic)3022
Referring domains (Majestic)21510

3 details filled in for both companies.

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