Scam provider ponzi scheme. They automatically delete your account after 30 days if you choose not to continuously make purchases on the account. You can have a complete account balance and they'l... See more
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it's a total scam. purchased an Argentina whatsapp number for a test, and it was not registered on whatsapp. Even the bot doesn't reply in the support chat. what a waste. luckily i only used $5.
Company replied
I decided to buy a European number through OnlineSIM, and overall everything went fine. The website was easy to understand, I quickly found the needed country, and the whole process was clear enough... See more
Company replied
Avoid at all costs!!! Service does not parse SMS correctly, false representation of amount of numbers, crazy cost plus fees. Support is not helpful and takes forever to respond, considering yo... See more
Company replied
Company details
Written by the company
We are a service that provides its customers with phone numbers for receiving messages from various services, social networks, instant messengers and other categories of sites. We have a database of more than 1 million numbers in more than 50 countries. For a long time of our project, we have conquered all the markets of the world and at the moment our customers are located all over the world.
Contact info
6, EU TONG SEN STREET, #09-09, THE CENTRAL, SINGAPORE 059817, 059817, The Central, Singapore
- 659819787990
- corp@onlinesim.io
- onlinesim.io
2.0
Poor
141 reviews
No recent history of asking for reviews
This company hasn't invited customers recently, so reviews may not be representative
Replied to 100% of negative reviews
Typically replies within 1 week
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Scam provider ponzi scheme
Scam provider ponzi scheme. They automatically delete your account after 30 days if you choose not to continuously make purchases on the account. You can have a complete account balance and they'll still delete your account per their "terms". Do not top up here, do not buy anything from this idiot scammers.
--
UPDATE: They responded and just proved my point. Instead of going to their terms and changing it to help the customer and not their greedy selves they just doubled down. Your terms are the issue, which is why you were given a 1 star along with other negative reviews about your platform.
September 3, 2026
Unprompted review
Reply from OnlineSIM
Hello,
We understand your frustration and would like to clarify the policy regarding account deletion.
Pursuant to clause 10.4 of our Public Offer, inactive accounts are automatically deleted 30 days after the last purchase. This condition is also clearly stated on the payment page:
"If you do not make any purchases, your account will be deleted 30 days after your last transaction. A prior notice will be sent to your email address and personal dashboard."
You confirmed that you received this notification. Please note that funds on your balance represent service credits rather than a banking deposit. In accordance with clause 10.5 of the Offer, these credits are forfeited upon account deletion and are strictly non-refundable.
Deletion is permanent under clause 10.4: there is no technical or legal provision to restore the account data or balance. Operation logs are retained for 30 days pursuant to clause 10.3, meaning that detailed reviews cannot be conducted once this period expires.
Best regards,
The Onlinesim Administration
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it's a total scam
it's a total scam. purchased an Argentina whatsapp number for a test, and it was not registered on whatsapp.
Even the bot doesn't reply in the support chat. what a waste. luckily i only used $5.
September 4, 2026
Unprompted review
Reply from OnlineSIM
Hello,
We are very sorry that you encountered this issue. Please note that we do not use automated bots in our support chat, you are communicating directly with live support agents.
We have requested some additional details. Please reply with your account information so that we can verify the situation and resolve the issue for you.
Withdrawals can be processed directly via our support chat, simply specify your payment details along with the requested withdrawal amount, so your funds are entirely safe.
Please contact our quality assurance team on Telegram at @zabotaonlinesim so we can resolve this matter for you promptly.
Best regards,
The Onlinesim Administration
Im from sweden i bought a number for…
Im from sweden i bought a number for gmail and youtube and it simply does not work they wont send you the verification code and its a scam totally
August 23, 2026
Unprompted review
Reply from OnlineSIM
Hello. We sincerely apologize for the inconvenience you experienced during registration.
Please note that our website features a live technical support chat with an average response time of just a few minutes. Our team is always available to guide you through the system and assist with proper registration to ensure smooth SMS delivery. Many online services employ automated anti-fraud security measures, which generally require a clean IP address matching the country of the phone number being used for registration to be successful.
Best regards,
The Onlinesim Administration
This site is a total scam do not pay…
This site is a total scam do not pay for there services, I tried multiple numbers without any luck contacted the customer support which is basically the most frustrating part as they literally take hours to reply and they are not helping at all and no refund option is available
August 19, 2026
Unprompted review
Reply from OnlineSIM
Hello. We sincerely apologize for the inconvenience you experienced during registration.
Please note that our website features a live technical support chat with an average response time of just a few minutes. Our team is always available to guide you through the system and assist with proper registration to ensure smooth SMS delivery. Many online services employ automated anti-fraud security measures, which generally require a clean IP address matching the country of the phone number being used for registration to be successful.
Regarding account balance withdrawals, this process is also handled directly through our support chat. Simply provide your account details along with the requested amount, and our team will process it for you.
Best regards,
The Onlinesim Administration
Tried 3 numbers
Tried 3 numbers, non was working. Minimum top up is 5 $, so i just wasted this money. Hopefully more people will read the reviews before the purchase! :D
August 14, 2026
Unprompted review
Reply from OnlineSIM
Hello. We're very sorry you encountered an issue during registration.
However, there is a technical support chat on the site, and you could have reached out to us, we would have helped you understand how the site works and explained how to register correctly so that SMS messages arrive. Many services have anti-fraud systems, so you need to use a clean IP from the same country as the number you are using for registration to be successful.
Withdrawal is also available through support chat, simply provide your payment details and the amount you wish to withdraw, so you haven't wasted anything.
Best regards,
The Onlinesim Administration
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Scaaaaaaaaaam
Scaaaaaaaaaam
The worst service and customer support, all numbers are used I tried 6 or 7 all the same, tried reaching support for refund but they are useless. The support says that the money will still be in you balance if the message wasn't delivered, I know but why I need money in my account if no messages will be delivered!?
Update, I contacted control on Telegram thier quality control on Telegram and they said contact our support, what a waste of time.
Never use this website they are scammmmmmmers
July 27, 2026
Unprompted review
Reply from OnlineSIM
Hello, we are very sorry that you encountered this issue.
If you did not receive SMS messages to the numbers, then no funds were debited, and a refund is not needed. However, if a charge did occur, our support team always refunds funds for occupied numbers.
Please send your account ID to our quality control on Telegram @zabotaonlinesim, and our specialist will review your chat history and resolve your issue.
Best regards,
The OnlineSim Team
The service is good but what stands up…
The service is good but what stands up is the costumer service, I mistakenly sent 300usdt to one of their crypto payment system addresses, normally you'd consider them lost, but they were helpful and sent it back.
I respect the honesty.
July 15, 2026
Unprompted review
Reply from OnlineSIM
Hello. Thank you for your feedback and thanks for using our service.
Best regards, the Onlinesim team.
I decided to buy a European number…
I decided to buy a European number through OnlineSIM, and overall everything went fine. The website was easy to understand, I quickly found the needed country, and the whole process was clear enough without too many extra steps.
The only thing is that I had to wait longer than I expected, so the process was not very fast. But in general, everything worked properly, and my experience with the service was normal.
July 20, 2026
Unprompted review
Reply from OnlineSIM
Hello. Thank you for your feedback and thanks for using our service.
Best regards, the Onlinesim team.
Hello
Hello. I bought 3 Telegram USA numbers on OnlineSIM, and all 3 of them were already registered in Telegram. All 3 numbers were unusable for the selected Telegram activation service, so I could not use any of the activations to create a new account.
Could you please review these activations and refund the balance for all 3 unusable numbers, or compensate the full amount to my OnlineSIM balance?
Thank you.
July 10, 2026
Unprompted review
Reply from OnlineSIM
Hello. Yes, of course, we provide refunds for occupied numbers.
To get one, just message the support chat on the website with your three numbers, state that they were occupied, and they will issue a refund. For any future questions, feel free to ask them in the support chat, which is available 24/7.
Best regards, Onlinesim Administration
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Sometimes sms dont go through
Sometimes sms dont go through. If you have that problem, ask the live chat update the number pook for you. It will fix.
June 19, 2026
Unprompted review
Reply from OnlineSIM
Hello. Thank you for your feedback.
SMS messages may not arrive for various reasons; for example, some services do not send SMS if the phone number and your IP are from different countries, or if suspicious activity is detected from your IP or device. In any case, funds are not deducted from your balance if the SMS is not received.
If you have any questions, feel free to contact the support chat on the website.
Scam
Scam, does not work, their numbers are not the right format so no online platform will accept it. Told them in ticket, they replied i should use a VPN, try multiple times and go incognito. When i gave them the exact messages and proved it does not work they ghosted me.
May 19, 2026
Unprompted review
Reply from OnlineSIM
Hello. We regret that you have encountered difficulties. Please note that certain services may decline numbers due to their virtual nature, specifically those from the US and Canada, as they lack physical SIM cards, we recommend utilizing numbers from alternative regions.
Furthermore, the issue may stem from an anti-fraud system flagging registrations due to repeated attempts by a single user. Regarding our support service, complex inquiries require additional time for resolution. If you have not received a response, please inquire about the status of your request via the support chat on our website.
Once you provide your account details, we will review the correspondence and expedite the verification process for your numbers.
Still 1 star is too much - Absolute ridiculus scam
Still 1 star is too much. Just Scam. Didnt work, tried some time later just to learn that the account was deleted within 30 with all funds. This is just ridiculus.
They send some mails, but to the Gmail account, i only use for login, but never read mails, as i use for mailing separate accounts.
May 14, 2026
Unprompted review
Reply from OnlineSIM
Hello. We understand your frustration, but your experience is a direct result of the Terms and Conditions https://onlinesim.io/documentation/offer you agreed to when registering. Key points to consider:
Account Deletion: Your account and history are deleted 30 days after the "Last Activity". Per Section 11.2.1, activity is a completed purchase, not a balance top-up.
We send an email before deleting the account, please check all your folders again, including the spam folder.
Refund Policy: The balance is a service credit, not a deposit. According to Section 11.5, it is non-refundable if the account is deleted due to inactivity.
Transparency: We display a warning in a yellow box on the refill page specifically to inform you of the 30-day rule before you pay. You could check here: https://i.postimg.cc/FHrwNcvK/screenshot.jpg
Our policy is transparent and applied to all users equally. If you have technical issues with specific numbers, our support team is available to help, but the balance rules remain firm.
They deleted my account (with funds on…
They deleted my account (with funds on it) after 30 days of inactivity, without sending me any email about account inactivity and account deletion. Nice way to scam people! I asked information to the customer support, they only replied "The account has been deleted without the possibility of recovery."
EDIT:
Fist of all, you said "We send an email before deleting the account, please check all your folders again, including the spam folder.", but you better check your logs, since no email was sent. I checked every folder: nothing.
Secondly, it makes absolutely no sense to have TOS like yours. "The balance is a service credit, not a deposit". What nonsense is that? Do you see the absurdity of it? They're written in bad faith, that's what it is.
April 29, 2026
Unprompted review
Reply from OnlineSIM
Hello. We understand your frustration, but your experience is a direct result of the Terms and Conditions https://onlinesim.io/documentation/offer you agreed to when registering. Key points to consider:
Account Deletion: Your account and history are deleted 30 days after the "Last Activity". Per Section 11.2.1, activity is a completed purchase, not a balance top-up.
We send an email before deleting the account, please check all your folders again, including the spam folder.
Refund Policy: The balance is a service credit, not a deposit. According to Section 11.5, it is non-refundable if the account is deleted due to inactivity.
Transparency: We display a warning in a yellow box on the refill page specifically to inform you of the 30-day rule before you pay. You could check here: https://i.postimg.cc/FHrwNcvK/screenshot.jpg
Our policy is transparent and applied to all users equally. If you have technical issues with specific numbers, our support team is available to help, but the balance rules remain firm.
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if you top up and keep your account…
if you top up and keep your account balance as your asset , they will steal your top up amount and delete your account after 30 days of inactivity.
April 11, 2026
Unprompted review
Reply from OnlineSIM
Hello. We understand your frustration, but claiming something was stolen is inaccurate. Your experience is a direct result of the Terms and Conditions https://onlinesim.io/documentation/offer you agreed to when registering. Key points to consider:
Account Deletion: Your account and history are deleted 30 days after the "Last Activity". Per Section 11.2.1, activity is a completed purchase, not a balance top-up.
Refund Policy: The balance is a service credit, not a deposit. According to Section 11.5, it is non-refundable if the account is deleted due to inactivity.
Transparency: We display a warning in a yellow box on the refill page specifically to inform you of the 30-day rule before you pay. You could check here: https://i.postimg.cc/FHrwNcvK/screenshot.jpg
Our policy is transparent and applied to all users equally. If you have technical issues with specific numbers, our support team is available to help, but the balance rules remain firm.
works for me Singapore Number for…
works for me Singapore Number for Carousell which is very good all other providers cannot provide the service.
April 8, 2026
Unprompted review
Reply from OnlineSIM
Thank you for the positive review!
We are pleased that you successfully registered your Carousell account using our Singapore numbers. Providing reliable service where others fall short is exactly what we aim for.
We look forward to seeing you again!
I considered it like a scam.
I considered it like a scam.
They numbers don't work, while they all service is limited , and you can't find good purchase.
You cant withdrawl your money back, and they reset your balance without saving your history. Is not it a scam..?
March 11, 2026
Unprompted review
Reply from OnlineSIM
Hello. We understand your frustration, but calling our service a scam is incorrect. Your experience is a direct result of the Terms and Conditions https://onlinesim.io/documentation/offer you agreed to when registering. Key points to consider:
Account Deletion: Your account and history are deleted 30 days after the "Last Activity". Per Section 11.2.1, activity is a completed purchase, not a balance top-up.
Refund Policy: The balance is a service credit, not a deposit. According to Section 11.5, it is non-refundable if the account is deleted due to inactivity.
Transparency: We display a warning in a yellow box on the refill page specifically to inform you of the 30-day rule before you pay. You could check here: https://i.postimg.cc/FHrwNcvK/screenshot.jpg
Our policy is transparent and applied to all users equally. If you have technical issues with specific numbers, our support team is available to help, but the balance rules remain firm.
it looks like a scam
it looks like a scam. Tried multiple numbers for multiple platforms but no one works. Messages didnt come or numbers has been blocked before. People dont try it, you loose money support is useless
March 10, 2026
Unprompted review
Reply from OnlineSIM
Hello. We are very sorry to hear that you encountered these issues. However, our system is designed so that funds are only deducted from your balance if you successfully receive an SMS, if the SMS does not arrive, no charge is made.
Additionally, you can withdraw funds from our site at any time by providing your withdrawal details to the support chat on the website, which is available 24/7.
We have sent a request to your email so that you can provide us with your account details. This will allow us to review the support chat history and your correspondence with the operator to resolve your issue.
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they stole my money
Added 5.05$ 31.1.2026 ... after 1 month, my ballance is 0$ (I do not used any service) .. they stole my money
March 3, 2026
Unprompted review
Reply from OnlineSIM
Hello! Thank you for taking the time to leave your feedback.
We'd like to address your concern, as your own review contains important information: you noted that you "did not use any service" after topping up your balance. This is precisely the situation covered by our Terms and Conditions, which you agreed to prior to using the platform — agreement with its terms is required to proceed with registration and use of the service. You can read and verify the full document here: https://onlinesim.io/documentation/offer
Here is what the Terms and Conditions state:
- Section 11.2.1 defines "Last Activity" as the date of the last completed purchase on the account. A balance top-up alone does not constitute activity.
- Section 11.4 states that Account Information is retained for 30 days from the Last Activity. If no purchase is made within that period, the account is automatically deleted.
- Section 11.5 states that upon automatic deletion, any remaining balance is forfeited and is non-refundable. The balance is a limited, non-transferable service credit — it is not a deposit or stored value.
Additionally, we want to highlight that this is not hidden information. The following notice is displayed at the top of the refill balance page, highlighted in a yellow box — making it impossible to overlook:
*"If you don't make any purchases, your account data will be deleted 30 days after your last purchase. We will notify you in advance via email and in your personal account."*
We understand this may be frustrating, but the policy was clearly communicated at every stage and is fully detailed in our Terms and Conditions (https://onlinesim.io/documentation/offer), which are available for anyone to read and verify at any time. We wish you all the best.
Very disappointing experience
Very disappointing experience. I paid for a service but never received the required SMS verification. After multiple conversations, support kept delaying the refund with vague timelines and no proper proof of transaction. Even after waiting beyond the promised period, the refund was not received. Poor transparency and unreliable customer support. Users should be cautious before making payments.
February 27, 2026
Unprompted review
Reply from OnlineSIM
Hello! Thank you for your feedback, and we're sorry to hear about your experience.
We'd like to clarify the situation. Indian phone numbers were temporarily unavailable during that period — we informed all users about this on the very first day via a notification in each user's personal account, as well as through an announcement in our Telegram group.
Regarding the refund: we want to be clear that we do not hold funds. Any user who wishes to withdraw their balance is welcome to contact our support team and submit a withdrawal request — we process all such requests within 5 business days. We never discouraged anyone from withdrawing their funds, and this option remained available throughout.
However, we are genuinely unclear about the specific refund request and timelines you are referring to in your review. The situation you describe does not match our records of standard support interactions. We kindly ask you to share your account ID so we can look into this case individually and provide you with a full explanation of what happened.
We are committed to transparency and resolving this properly. Please reach out to us directly.
Good Good Life Will Wait I don't think…
Good Good Life Will Wait I don't think so but
February 27, 2026
Unprompted review
Reply from OnlineSIM
Hello. Thank you for your review and for the good rating! We strive to provide a seamless experience so you don't have to wait for your connections.
If you have any suggestions on how we can make our service even better for you, please let us know. Have a nice day!
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