Verdict
Higher trust score: SMSBurner
Based on our trust scoring, SMSBurner comes out ahead of GrabMail (9.6 vs 6.9). The gap reflects differences in KYC stance, custody model and operational track record.
Note: Scores are our independent assessment. Both services have valid use cases — read each detail page before deciding.
Score breakdown
Overall /10
GrabMail
6.9
Average
SMSBurner
9.6
Good
Privacy /100
GrabMail
90
Good
SMSBurner
90
Good
Trust /100
GrabMail
58
Average
SMSBurner
99
Good
Side by side
KYC level
L1Anonymous
L1Anonymous
Tagline
Free disposable email addresses on three shared domains, readable in the browser or through a keyless REST API and an MCP server for AI agents — no account, no payment, and every message deleted after five days.
Virtual phone numbers for SMS verification AND long-term rental — 190+ countries × 1000+ services, seed-phrase auth, 14 crypto rails (BTC, XMR, USDC...) and a public agent-purchasable API (MCP, REST) for AI clients.
Jurisdiction
Undisclosed
Undisclosed
Founded
2026
2026
Tor / .onion
No
No
Categories
Email, Privacy, Tool
SMS, Privacy, Tool
Feature comparison 7
GrabMail
SMSBurner
Bitcoin (BTC)
—
Accepts Monero (XMR)
—
No signup required
Web app
Instant
Available worldwide
Custodial
Read the full reviews
The side-by-side covers the headlines — the detail pages walk through every claim and citation.