Verdict
Higher trust score: GrabMail
Based on our trust scoring, GrabMail comes out ahead of SimSms (6.9 vs 6.2). 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
SimSms
6.2
Average
GrabMail
6.9
Average
Privacy /100
SimSms
62
Average
GrabMail
90
Good
Trust /100
SimSms
58
Average
GrabMail
58
Average
Side by side
KYC level
L2Discreet
L1Anonymous
Tagline
Virtual numbers for SMS verification and 7-to-30-day rentals across 145 countries, plus dedicated 5G mobile proxies on named carriers. Email-only sign-up, crypto payment, and unused codes are never charged.
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.
Jurisdiction
Undisclosed
Undisclosed
Founded
2026
2026
Tor / .onion
No
No
Categories
SMS, Proxy store, Privacy
Email, Privacy, Tool
Feature comparison 8
SimSms
GrabMail
Bitcoin (BTC)
—
Accepts Monero (XMR)
—
No signup required
—
Web app
Instant
Available worldwide
Custodial
Requires email
—
Read the full reviews
The side-by-side covers the headlines — the detail pages walk through every claim and citation.