Established in 2013, Coolmuster and its firm (found in 2005) is dedicated to creating powerful and user-friendly data management software. Having served users in over 160 countries and earned a high reputation, we’ll continue to spare no effort to help users fully enjoy digital life.
Written by the business, not verified by us.Coolmuster (coolmuster.com) has a 4.0 out of 5 rating on OK.one, based on 208 user reviews collected here. It is listed under Electronics & Technology and its reputation is good. 20% of reviews are 1 star, a relatively high share; The business has replied to 100% of negative reviews; 15 of them were added in the last 12 months. Last updated 2026-10-25.
Even though I was wrong, the company still refunded my subscription. That's very rare in today's market.
Hi, Carol Harlow, We are glad to hear that you are satisfied with our service. Your satisfaction is the best gift for us. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
I tried to download the android assistant and got as far as putting in my credit card number for the free trial, but then that screen disappeared and I couldn't find it. I want to cancel the free trial, but have no way of doing that.
Hi Nora Fitzgerald, I'm sorry to hear about that. Here are the steps you can take to resolve the issue: Check your Credit Card: Check if you've bought it with your credit card via Bank Statements, or Transaction Alerts. Check Your Email: If you have bought the software successfully, there should be an email sent to you. Please look for any confirmation emails from the Coolmuster. Contact Customer Support: If you can't find any relevant emails, reach out to our support team. Provide them with the details of your situation, including any related information you have about it. They are always here to help if you have any issues. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
I backed up my iPod touch 4 gen with Coolmuster, only to have it restore it with 31.9 gb of no data! No music, photo or video. Lost it all. I bought the program reading it was easy and dependable. Received sorry from support. It was a waste of my money, save yours!
Hi, Gregory Montoya, We are sorry to hear about your experience with Coolmuster. About the issue, our support team replied to your email, please check it. If the problem continues, please contact our support team. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
I have yet to find an encrypted PDF that this program will actually unlock. Encrypted by me, with MS Word into PDF. Opens with my supplied password. Does not open with this program.
Hi, Andrew Rees, Thank you for your feedback. We're sorry to hear that you're experiencing difficulties with our program. The program needs you to input the right password in advance to remove the "user password" protection. If the problem continues, please contact our support team with details about the specific error message you're encountering and the version of the software you're using. This will help us diagnose the issue more effectively. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
I started using the Coolmuster PDF Password Remover for Mac a few weeks ago and I find it very impressive. It is very easy to use and makes removing the password from a password protected PDF document a quick and painless process. One needs to have the password to open the relevant PDF document, and once that is done, then the process is a “walk in the park”.
Hi, Roddy, We are glad to hear that you are satisfied with our service. Your satisfaction is the best gift for us. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
I was led to believe that I could transfer files from PC to an Apple tablet with this product, but NOOOOOO, it will only go from the Apple to PC. That's pretty useless. AND the refund policy is that all sales are final.
Hi, Jim Hocut, I'm sorry to hear about your less satisfactory experience with our software, and I genuinely appreciate your candid feedback. About this: "I was led to believe that I could transfer files from PC to an Apple tablet with this product, but NOOOOOO, it will only go from the Apple to PC." It seems there was a misunderstanding about the product's capabilities. About our Coolmuster iOS Assistant, it does support data transfer from iOS devices to PC, and PC to iOS devices, but not all data types are supported. You can check the exact data type from its product page: https://www.coolmuster.com/ios-assistant.html If you have any further questions or concerns, please don't hesitate to contact our support team at [email protected]. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Hi Chris Paulsen, Thank you for your positive feedback. So glad that we could assist you promptly and courteously. If you have any further questions or need assistance in the future, feel free to reach out anytime. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Sean was very helpful and promptly addressed and resolved my concern. Thank you Sean!
Thank you so much for your kind words! Sean is delighted to hear that she could assist you promptly and address your concerns. If you ever have more questions or need assistance in the future, feel free to reach out. Your satisfaction is our priority! Thank you again!
Responded quickly, but website is not easy to do cancellation
Hi, I HESS, Thank you for taking the time to provide your feedback. We appreciate your acknowledgment of our quick response. About the "website is not easy to do cancellation", do you mean the Newsletter Subscription or something else? You can send the details to our support team and they will help you. Thank you once again for bringing this to our attention. We look forward to hearing more from you. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Very helpful answers directly
Hi, ISMAIL Omran, Thank you for your feedback. Our team is committed to continuously improving our user experience, and your insights are invaluable. If you have any other questions or suggestions, please feel free to share them with us. We are here to assist you and make your experience with our software as smooth as possible. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Free trial only allows for 10 contact transfers which is not clear on the website.
Hi, Marissa Wu, Thank you for bringing this to our attention, and I apologize for any confusion. We appreciate your feedback. The limitation of 10 contact transfers in our free trial is meant to help users explore the basic functionality of our service before committing to a subscription. We understand that it may not be explicitly stated on the website, and we'll work on making this clearer in our documentation. But when you use the free trial, there will be a pop-up window to show that. Maybe you did not note that. Your feedback is important to us, and we'll take it into consideration as we continue to improve our service. If you have any other questions or need further assistance, please don't hesitate to email [email protected]. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Nameless Customer Service Drone, who handled my ticket, you were good. The rest of my experience with this company was sub-mid for a sub-par product. I canceled this software back in 2022. Imagine my delight when the annual fee hit my bank account this year. The company's website is vague and undoubtedly designed to make the less computer-literate walk away. Like streaming services, companies of this nature make most of their money from people who forgot they were subscribed and don't notice when an auto-pay withdrawal gets lumped in with all the others. In the end, I was able to pull the plug on this mess and have been told I'll be getting a refund. We'll see how that works out.
Hi, Embo Wafa, I'm sorry to hear about your less than satisfactory experience with our software, and I genuinely appreciate your candid feedback. I understand that your experience with the product itself, as well as the billing process, was frustrating. We take product quality seriously, and I'd like to learn more about your specific issues so that we can work on improving the software. Your insights are invaluable in this regard, and your input helps us make meaningful enhancements. I apologize if the billing and website navigation have caused confusion. Usually, an email will be sent to the user half a month before renewal. Users can cancel before renewal or send an email to support cancellation. Maybe you missed the email? Your insights are vital for our ongoing improvement, and we'll take your feedback to heart as we strive to provide a better experience for all our users. If you have any further questions or concerns, please feel free to contact us at any time. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Brilliant app, saved my bacon backing up a few android phones. Recommended.
Hi, Martin Pegler, Thank you for your glowing review! We're thrilled to hear that our app came to the rescue and helped you back up your Android phones. Your recommendation means a lot to us! If you ever have more devices to back up or if there's anything else we can assist you with, please don't hesitate to reach out. We appreciate your support and are delighted to have you as part of our community. Thanks again for taking the time to share your positive experience. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Asked a question about serial number. Reply and solution from Annie / Coolmuster arrived just a couple of days later.
Took ages to set up , then you get told of price. Disappointed with what little got transferred over to new phone. Would have been quicker to do it manually. Immediately cancelled subscription and now adjusting to a wasted £26!
Hi, Catherine willems, I'm truly sorry to hear about the challenges you faced during the setup process and your disappointment with the service. We value your feedback, and we're committed to addressing your concerns. And the issue, could you please email [email protected] with the details? We will try our best to solve your problem. Yours Sincerely, Coolmuster Support Team https://www.coolmuster.com/support.html
Annie handled my request to cancel auto renewal of my subscription promptly and without issue or hesitation. I appreciate her assistance on this matter.
Functionality is a 5 star, but the need to re-register every time I open up the program on the PC needs to be changed. The registration license stopped working once the PC version of Coolmuster was updated.
Excellent customer services. Speedy reply and request sorted straight away. Thank you Annie :)
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