
VirtualSMS.io
Tiger
Grizzly SMS
SMS-Activate.guru
SMSBOWER
SMSCode.gg
SMS-RENT.COM
Instantly rent a phone number to receive SMS verification codes for popular services. Earn 80% commission as a partner.
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Website, pricing, platforms and company facts side by side.
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In their own words, as submitted to SaaSHub.

sms-florin (flo-voice1.com) rents real UK phone numbers — physical SIM cards on EE and Three, not VoIP or virtual numbers — to receive SMS/OTP verification codes for WhatsApp, Telegram, Google, and 30+ other services. Numbers are available instantly (pay per code, auto-refunded if nothing...
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What each product offers, as listed by its team.

Possible disadvantages
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As answered by people managing flo-voice1.com and JavaScript Tutorial.
flo-voice1.com's answer
Every number is a real physical SIM card in a UK GSM gateway (EE/Three), not a VoIP number or another provider's resold API — so target platforms see it as a genuine mobile-network number, and the same number can be reused for a full month, not just a single code.
flo-voice1.com's answer
Most cheap SMS-verification services resell VoIP or aggregated virtual numbers, which get flagged or rejected more often by strict platforms. sms-florin uses only real UK carrier SIM cards, auto-refunds instantly if a code never arrives, and gives partners 80% commission for connecting their own hardware — a rare split in this niche.
flo-voice1.com's answer
Developers and QA teams testing signup/2FA flows that need a real, non-VoIP number, plus individuals who want a UK number for a one-off account verification without exposing their personal number.
flo-voice1.com's answer
Built solo by a developer with access to spare physical SIM/GSM gateway hardware, who needed a reliable way to receive verification codes — after seeing how often virtual-number competitors get blocked by strict platforms, turned it into a public rental service backed entirely by real hardware.
flo-voice1.com's answer
Next.js (App Router), PostgreSQL with Drizzle ORM, Stripe for payments, a self-hosted GoIP GSM gateway for the physical SIM hardware, plus a Telegram bot and REST API/npm SDK for programmatic access.
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When comparing flo-voice1.com and JavaScript Tutorial, you can also consider the following products.

Real SIM cards for OTP verification — 145+ countries, 2500+ services (WhatsApp, Telegram, Discord). From $0.05/code. API + MCP server for developers and AI agents.
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Grizzly SMS offers to get temporary phone numbers for OTP from any popular service. Here you can get a virtual mobile number for SMS verification of any country in the world. ✅ Legal service. ✅ Best price
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SMS-Activate is a service for sale and rent of virtual numbers of more than 180 countries. We provide virtual numbers in most countries of the world so that you can use them to receive an SMS with a confirmation code online.
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SMSBOWER - buy virtual SIMs for SMS verification worldwide. Legal, best-priced temporary numbers for OTP and SMS from top services. Monetize SIMs with us.
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Buy virtual numbers to receive SMS online for OTP verification. Temporary phone numbers with real SIM, fast activation, 100+ countries. A reliable sms-activate alternative.
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