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MailOnce vs DataFlows

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

MailOnce compared with DataFlows
DetailMailOnce logo MailOnce DataFlows
What it doesTemporary email for verification messages and OTP codes in a browser-scoped, auto-expiring inbox SMS API and marketing platform for Australian businesses
StageNot given Not given
FoundedNot given Not given
Based inNot given AU
Pricing modelFree Paid
PricingNot given Pay-as-you-go from $35 AUD per month with no monthly fees, no lock-in contracts and no setup fees. Free trial includes 3 SMS credits sent to verified numbers.
Key features
  • 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
  • Bulk SMS with branded sender IDs
  • REST API for transactional messages
  • SMS-based OTP verification
  • Automated appointment reminders
  • Workflow automation via Zapier and Power Automate
  • Real-time delivery tracking and analytics
  • AI assistant integrations with ChatGPT, Claude and Gemini
  • Contact group management
  • ACMA compliance built-in
What makes it different
  • 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
  • Australian compliance built from the ground up for Spam Act 2003 and ACMA guidelines
  • Official Auth0 Marketplace Partner with verified integrations on Microsoft AppSource and Zapier
  • No lock-in with pay-as-you-go pricing from $35 AUD
  • Open rate tracking showing consistent performance above 90%
  • Carrier-grade infrastructure with real-time delivery tracking
Community votes00
DR (Domain Rating by Ahrefs)2 −1 (down) since last check51 no change since last check
Trust Flow (Majestic)44
Citation Flow (Majestic)2218
Referring domains (Majestic)1046

4 details filled in for both companies.

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