Verdict
Higher trust score: SMSBurner
Based on our trust scoring, SMSBurner comes out ahead of FixedFloat (9.6 vs 5.3). 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
FixedFloat
5.3
Average
SMSBurner
9.6
Good
Privacy /100
FixedFloat
70
Good
SMSBurner
90
Good
Trust /100
FixedFloat
44
Weak
SMSBurner
99
Good
Side by side
KYC level
L2Discreet
L1Anonymous
Tagline
Instant no-signup crypto swap running since 2018 — one of the first to integrate Bitcoin Lightning, 80+ coins including Monero, 0.5% floating / 1% fixed fees. AML flagging and two 2024 hot-wallet hacks on file.
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
2018
2026
Tor / .onion
No
No
Categories
Exchange, Aggregator
SMS, Privacy, Tool
Feature comparison 8
FixedFloat
SMSBurner
Bitcoin (BTC)
Accepts Monero (XMR)
No signup required
Lightning Network
—
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.