Per-activation SMS marketplace, plus rentals
The best Grizzly SMS alternative for accounts you plan to keep is a real mobile number you renew, such as a PhoneBorn plan, because future login and recovery codes reach the same number. Grizzly SMS remains an option for cheap one-off codes on niche services, paid by card or crypto, if you test delivery first.
Updated By PhoneBorn TeamEditorial policy
Reviews on Grizzly SMS's Trustpilot page (read 1 Oct 2026) mention numbers already registered elsewhere, top-ups that were not credited and refunds refused, and its FAQ only refunds used or banned numbers reported within 20 minutes. PhoneBorn plan numbers are real mobile numbers you keep, with a 7-day replacement guarantee (or a full refund if never used), and single-use OTP numbers are refunded automatically if no code arrives.
Fact table
| Fact | Grizzly SMS | PhoneBorn |
|---|---|---|
| Starting price | From $0.092 for one country and service, per its homepage — varies | From $1.80/mo (12-month plan); single-use OTP numbers from $0.10 per code |
| Payment methods | Cards, online wallets, crypto, PayPal and PaySafeCard; $3 minimum deposit (per its FAQ) | Crypto only (BTC, ETH, USDT, USDC, LTC and more) |
| ID / KYC | Not publicly stated | None — email and password only |
| Coverage | 190+ countries (per its FAQ) | 200 countries |
| Number type | Described as virtual phone numbers | Real mobile numbers (not VoIP), one customer at a time |
| Refund policy | Auto-return to balance if no code in 20 minutes; used or banned numbers only if reported within 20 minutes (per its FAQ) | OTP: automatic refund if no code arrives; plans: 7-day replacement guarantee, full refund if the number was never used |
| API | Yes — SMS-Activate-compatible | Yes — REST API and signed webhooks |
| Last checked | 1 Oct 2026 | 1 Oct 2026 |
Grizzly SMS facts come from the public pages listed under Sources, as checked on 1 Oct 2026. "Not publicly stated" means we could not find the fact on a public page.
Overview
Grizzly SMS (grizzlysms.com) is an activation marketplace. You top up a balance, pick a service and a country, and receive a temporary number for one verification code; if the code does not arrive, you can cancel before the timer ends to get the credit back, according to a third-party review. Its website lists more than 200 countries and a catalog of thousands of services, and it offers an API and longer rentals.
The catalog breadth is its strongest point: if you need a code for a less common app, a marketplace like this may list it. The weak point, according to the same review and public user reviews, is uneven delivery — success can vary sharply by service and country, and some users complain about recycled numbers. Test with a small amount before relying on it.
PhoneBorn is a different kind of product. A plan gives you a real mobile number that stays assigned to you for as long as you renew, never a shared inbox, with unlimited incoming SMS and calls plus 500 outgoing SMS and 1,000 calling minutes a month. For true one-off codes, PhoneBorn's OTP numbers refund automatically if no code arrives.
Facts here reflect public information as of September 2026 — check Grizzly SMS's current terms. Grizzly SMS is a trademark of its owner; PhoneBorn is not affiliated.
Which to choose
Feature by feature
| Feature | Grizzly SMS | PhoneBorn |
|---|---|---|
| Pricing | Per activation — varies by service and country | From $1.80/mo (12-month plan) |
| What you buy | One activation or a rental | A number on a 1, 3, 6 or 12-month plan, or a single-use OTP number |
| Service catalog | Very large, according to its website | Plans work for any app that sends SMS; OTP catalog by service |
| Number type (typical) | Varies by operator | Real mobile numbers |
| Keep the number | Typically short-term | Yes, as long as you renew |
| Send SMS / make calls | Generally not | Yes, within monthly allowances |
| Identity at sign-up | Account sign-up (check their current terms) | Email and password only |
| Payments | Card and crypto, according to a third-party review | Crypto only |
| If no code arrives | Cancel before the timer ends, according to reviews | OTP: automatic refund when the order expires |
Based on public information as checked on 1 Oct 2026; features and prices change, so check Grizzly SMS's current terms. Product names are trademarks of their respective owners; PhoneBorn is not affiliated with them. Spotted an error? Email support@phoneborn.com — see our editorial policy.
A long list of services is only useful if the code actually arrives — and if you can get the next one too. For an account you care about, three questions matter more than catalog size: does the number receive the code, is it assigned only to you, and will you still have it after a phone change?
PhoneBorn plans answer those with a real mobile number you keep and a 7-day replacement guarantee: if the number doesn't work for your app within 7 days, replace it free with a new number from the same country. For why line type matters to acceptance, see non-VoIP phone numbers.
PhoneBorn accepts crypto only, and its OTP catalog is smaller than the largest marketplaces. Plans carry monthly caps (500 outgoing SMS, 1,000 minutes), bulk or marketing messaging is not allowed, and there is no native phone app — you use the browser dashboard or the REST API. Each service decides which numbers it accepts.
Switching
Write down the accounts you verified with Grizzly SMS numbers and mark the ones you still need.
Sign up with just an email and choose a country — From $1.80/month on the 12-month plan.
In each important account's security settings, replace the phone number with your PhoneBorn number and confirm with the code from your dashboard.
Turn on an authenticator app, passkey or backup codes wherever the app offers them.
Use a marketplace or PhoneBorn OTP numbers only for sign-ups you never need to revisit.
Pricing
Phone-number plans
From$1.80/mo
on the 12-month plan
Choose 1, 3, 6 or 12 months at checkout — all term prices are shown there. Same price in all 200 countries.
See plans & buyIf your number doesn't work for WhatsApp, Facebook, Google, Telegram or any app you need within 7 days of purchase, replace it with a new number from the same country for free — instantly from your dashboard, up to 3 times, no questions asked.
Never used it? If the number hasn't sent or received a single SMS or call, you can take a full refund instead within the same 7 days.
Applies to every phone-number plan. Single-use OTP numbers are refunded automatically if no code arrives.
Sources
All sources checked on 1 Oct 2026. We run PhoneBorn, so read them yourself before deciding.
FAQ
Keep reading
Email-only sign-up, crypto payments, SMS and calls included — backed by a 7-day replacement guarantee, or your money back if the number goes unused.