GrizzlySMS alternative: a real mobile number that stays yours
GrizzlySMS sells one-time numbers for receiving a verification code: each number is issued for 20 minutes, works for the service you chose and usually receives one SMS. If you need a number you can reuse for months, with incoming calls and outgoing SMS and minutes, SMS Hallo rents real mobile numbers in 181 countries.
What GrizzlySMS is
GrizzlySMS describes itself as an international platform for receiving SMS verification codes for 2,300+ services. Its website names THREETWOTWO LTD, with an address in London, as the company behind it.
Its FAQ is clear about the product: all numbers are one-time use only. They are issued for 20 minutes, work only for the chosen online service, cannot be reissued and can usually receive only one SMS, and the FAQ says these are currently the only type of numbers it offers. The FAQ also says the numbers are SMS-only, so they cannot receive phone calls, and that numbers are intended for registering a new account.
Its homepage says you can buy numbers from the USA, India, Turkey and other countries, over 180 countries in total, and it offers an API.
GrizzlySMS pricing, payment and refunds
GrizzlySMS shows a price per service and country, and its FAQ says you are charged only for codes you actually receive. You add funds to a balance first; the FAQ lists bank cards, online wallets and cryptocurrency as ways to pay.
On refunds, the FAQ says that if no code reaches the number within 20 minutes, the charge is returned to your balance, and the same happens if you cancel early. Once a code has arrived, the number counts as used and is not refunded.
For identity, the homepage says GrizzlySMS does not request personal information beyond your email address, and the FAQ asks you to confirm your email when you register.
How SMS Hallo differs
A GrizzlySMS number is gone after its 20-minute window, so a later code for the same account, for example when you sign in on a new phone, cannot come back to it. An SMS Hallo number stays yours for 1 to 12 months and longer if you renew, with unlimited incoming SMS the whole time.
SMS Hallo numbers also take incoming calls, which some apps use instead of SMS, and include 500 outgoing SMS and 1,000 outgoing minutes per month. The price is one flat monthly rate in every country rather than a price per code.
When GrizzlySMS may suit you better
If you need one code for a sign-up and will never need that number again, a one-time number from GrizzlySMS will usually cost less than a monthly rental.
It may also suit you if you want to pay by bank card or an online wallet rather than stablecoins, or if you want to pay only when a code actually arrives.
Why people choose a rented number
A rented number is one you keep. SMS Hallo rents real mobile numbers (non-VoIP, in each country's local mobile format) in 181 countries, and a number stays yours for as long as you renew it, 1, 3, 6 or 12 months at a time, or automatically with auto-renew.
That matters because many apps ask for a code again later: when you sign in on a new phone, reset a password or confirm a change to your account. If you still hold the number, the new code lands in the same private inbox. After a rental ends, a number may be given to someone else, so keep renewing any number linked to an account you care about.
Every number includes unlimited incoming SMS, unlimited incoming calls, 500 outgoing SMS and 1,000 outgoing calling minutes per month, used from the browser dashboard with its SMS inbox, send-SMS screen, dialer and call log. Allowances reset every 30 days, and unused allowance does not roll over.
The price is the same in every country: from $1.80 per month on the 12-month plan ($21.60 billed yearly), with no setup fees. Prices for 1-, 3- and 6-month plans are shown when you choose a number. You pay in USDT or USDC on Tron, BNB Chain, Polygon, Base or Solana, either from a prepaid wallet (minimum top-up $5) or directly for a number.
Sign-up needs only an email and a password: no SIM card, no ID documents and no local address. While you rent a number, only you can see its messages, and SMS Hallo never publishes inboxes.
The three SMS Hallo guarantees
Every SMS Hallo rental comes with three guarantees, which you can use from buttons in the dashboard.
7-day free replacement: within 7 days you can swap the number for another available number in the same country, free, up to 3 times. The new number keeps your plan and expiry date.
Works, or 100% refund: if the number doesn't work with the app you rented it for, for example the code never arrives, request a refund within 7 days and get back 100% of what you paid.
7-day money-back: if no call or SMS has been made or received on the number, you can get a full refund within 7 days, no questions asked.
Using a second number responsibly
SMS Hallo is meant for privacy and for keeping a second number for legitimate sign-ups, such as separating work and personal accounts or not handing your main number to every website.
Its Acceptable Use Policy forbids fraud, creating fake or bulk accounts, breaking an app's terms, coming back to an app after being banned, and using a number to get through bank or identity (KYC) checks that are meant for you personally. Each app decides which numbers it accepts, so no provider can promise that a particular app will take a number. If an SMS Hallo number doesn't work with the app you rented it for, the guarantees above cover you.
How to get started with SMS Hallo
1. Create an SMS Hallo account with your email and a password.
2. Choose the country you need, pick a number and choose a 1-, 3-, 6- or 12-month plan. Prices for shorter plans are shown when you choose a number.
3. Pay in USDT or USDC, either from a prepaid wallet (minimum top-up $5) or directly for the number. The payment window shows the exact amount, the address or QR code and a 10-minute countdown; send the exact amount on the same network.
4. Enter the number in the app you want to verify and read the code in your SMS Hallo inbox, where codes are detected and can be copied with one tap.
5. For accounts you plan to keep, turn on auto-renew so the number stays yours.
| SMS Hallo | GrizzlySMS | |
|---|---|---|
| Type | Rented real mobile number (non-VoIP), 1 to 12 months, renewable | One-time numbers: 20 minutes, one service, usually one SMS |
| Price model | From $1.80/month on the 12-month plan ($21.60 billed yearly), same in every country | Pay per received code; price depends on service and country |
| Payment | USDT or USDC on Tron, BNB Chain, Polygon, Base or Solana | Bank cards, online wallets and cryptocurrency |
| Identity checks | Email and password only; no SIM card, ID documents or local address | Email only, per its homepage |
| Countries | 181 countries | Over 180 countries |
| Refunds | 7-day free replacement, 100% refund if it doesn't work with the app, 7-day money-back | Balance refunded if no code arrives within 20 minutes or you cancel |
| Outbound SMS & calls | 500 SMS and 1,000 minutes per month included | Not stated; numbers are SMS-only and cannot receive calls |
Frequently asked questions
Can I reuse a GrizzlySMS number?
Its FAQ says no: numbers are one-time use, issued for 20 minutes and cannot be reissued. An SMS Hallo number stays yours while you renew.
Can GrizzlySMS numbers receive calls?
Its FAQ says the numbers are SMS-only. SMS Hallo numbers include unlimited incoming calls and 1,000 outgoing minutes per month.
Are SMS Hallo numbers VoIP?
No. SMS Hallo rents real mobile numbers in each country's local mobile format, not VoIP lines.
Can I pay SMS Hallo by card?
No. SMS Hallo takes USDT or USDC on Tron, BNB Chain, Polygon, Base or Solana, from a prepaid wallet or directly for a number.
What if an SMS Hallo number doesn't work for my app?
Request a 100% refund within 7 days, or swap it free for another number in the same country up to 3 times. Apps decide which numbers they accept, which is why these guarantees exist.
Sources
Competitor facts verified on 2026-10-01.