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Clumio vs QoreStor comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 1, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Clumio
Ranking in Backup and Recovery
16th
Average Rating
9.2
Reviews Sentiment
5.8
Number of Reviews
8
Ranking in other categories
Cloud Backup (11th), SaaS Backup (3rd), AI IT Support (8th)
QoreStor
Ranking in Backup and Recovery
51st
Average Rating
8.0
Reviews Sentiment
7.2
Number of Reviews
10
Ranking in other categories
Data Replication (9th), Disk Based Backup Systems (7th), Storage Software (4th), Disaster Recovery (DR) Software (25th), Software Defined Storage (SDS) (18th), Copy Data Management (6th), File and Object Storage (22nd)
 

Mindshare comparison

As of August 2026, in the Backup and Recovery category, the mindshare of Clumio is 1.1%, up from 0.2% compared to the previous year. The mindshare of QoreStor is 0.8%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Backup and Recovery Mindshare Distribution
ProductMindshare (%)
Clumio1.1%
QoreStor0.8%
Other98.1%
Backup and Recovery
 

Featured Reviews

Devin Mehta - PeerSpot reviewer
IT Manager Infrastructure & Security at VISBY MEDICAL, INC.
Secure backups have simplified compliance and now provide immutable protection for cloud workloads
The best features that Clumio offers are the ability to know when a backup has completed, to know how to restore both files at the file level and also restore EBS backups, point-in-time restores, as well as snapshots. Clumio has positively impacted our organization by providing us with the peace of mind of knowing that all of our EC2 instances are securely backed up. This peace of mind has translated into measurable outcomes as we adhere to NIST 800 compliance, and with that, we need immutable backups and the ability to have backups that do not exist within our existing tenants. Clumio fixes that problem for us.
MW
Works at a financial services firm with 11-50 employees
Backup storage has shrunk dramatically with deduplication but still needs stronger security options
The air gap feature is something I'd really like to see in QoreStor. There's no native air gap capability right now, and for security-conscious environments, that's a gap. The configuration export is also limited in QoreStor. If you want to document your setup or migrate configuration to a new instance, it requires more manual work than it should.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Working with the Clumio/Commvault team has been a very good experience."
"It has improved our disaster recovery footprint; previously, backups were only stored on premises, and having an offsite backup improves our reliability and security."
"Clumio proved to be the most cost-effective option."
"We have been able to safely and securely save our backups off of AWS."
"Clumio has positively impacted our organization by providing us with the peace of mind of knowing that all of our EC2 instances are securely backed up."
"Clumio has a straightforward setup"
"We now have the peace of mind knowing that our entire AWS infrastructure is fully backed up into an air-gapped environment."
"Clumio gave us a genuinely isolated vault that sits outside our AWS Organization's blast radius."
"QoreStor has helped to reduce our backup storage requirements on-premise by at least 90%."
"Since we started to resell QoreStor, we have been using it internally; it's better than other backup solutions we have used or evaluated."
"Quest QoreStor is very stable compared to our previous solution."
"It integrates with various backup software solutions, which makes it compatible with existing backup workflows and processes."
"QoreStor has helped us to reduce our backup storage requirements on-premises. We've been using the same devices for quite a while, and so it lets us keep using them as opposed to having to rip out all that hardware and create a new on-prem solution. The advantage here is even if we had to retire the hardware tomorrow, the QoreStor part doesn't change. We just have to have additional hardware and put the solution back on whatever hardware we pick and it'll do the same thing."
"The extreme compression of data is a big thing for us. We were looking for an online backup solution, and QoreStor is very good in terms of data compression. It helps us minimize the required storage in the Blob Storage environment."
"Not having to be onsite to swap tapes on a daily, weekly, or monthly basis, alone, has really paid for its usage through the savings in time."
"Data deduplication and replication would be the top two features. The encryption and cloud tiering are also attractive for the future."
 

Cons

"They need to improve their SQL backup services"
"The account onboarding process deploys around 20 IAM roles per account, which is heavy."
"The credit system can be confusing, but if you talk to your account manager, they can help alleviate those concerns."
"It would be beneficial to show when backups are available and to receive alerts if there are any issues with the backups."
"More alignment with Clumio and Commvault branding would have helped us understand the product better during the discovery phase."
"I was not a fan of the buy-up-front model due to the scaling of data size."
"We are still exploring the areas where improvements might be needed."
"The setup of the software is definitely not the easiest thing in the world."
"The setup of the software is definitely not the easiest thing. I worked a lot with Quest engineers, especially in the early days when we were first testing it and trying it out. I actually had some of the developers working with us at one point because they were going through these point releases, and I was having trouble getting it to work in this S3-compatible situation. We got it all working eventually, but setup is definitely not the easiest thing in the world."
"The installation could use improvement. The initial installation was a little touchy and it's not really user-installable. You have to have a connection to support to install."
"They need to increase their maximum capacity. Other than that, they're doing a pretty good job."
"Overall, I am happy with this solution, but a way to export configuration settings would be beneficial. After everything is set up and configured, there should be a way to export the configuration. In case something happens to the QoreStor server, and we need to reinstall and configure everything, being able to import the configuration would be helpful. This feature does not currently exist."
"The ransomware protection of QoreStor could use improvement."
"The importance of support is significant to me. I was working for a service provider, and all of our customers had a Quest or warning. Sometimes the support really underperforms."
"In terms of improvement, we would like to have an Air Gap feature to prevent a virus from attaching to something. So that when we don't do a backup, we want the QoreStor to stay offline. It would be a nice feature to have."
 

Pricing and Cost Advice

Information not available
"The cost is per terabyte, and overall, the cost was reasonable when compared to some competitors."
"The pricing is good. It is competitive for a managed services provider. I like the ability to pay by the terabyte, allowing for an incremental cost that we and our customers can afford, so the solution grows with the customer."
"Its pricing model is very attractive. You have one price, and you get everything from QoreStor."
"Quest QoreStor's pricing is affordable. We evaluated Veeam, a well-known company for backup solutions, but found their pricing to be quite high. Veeam's price was almost double. For us, Quest QoreStor is very affordable."
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Top Industries

By visitors reading reviews
Outsourcing Company
14%
Comms Service Provider
13%
Manufacturing Company
9%
Construction Company
8%
Manufacturing Company
15%
Financial Services Firm
11%
Comms Service Provider
10%
Construction Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business2
Midsize Enterprise4
Large Enterprise5
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise1
Large Enterprise2
 

Questions from the Community

What is your experience regarding pricing and costs for Clumio?
My experience with pricing, setup cost, and licensing was smooth; we received pricing that was cheaper than N2W, and it was a smooth transition from N2W to Clumio.
What needs improvement with Clumio?
I cannot think of any features that could make Clumio better. The only other tweaks I would like to see with Clumio are that it provides more granular reporting and dashboards for showing what is b...
What advice do you have for others considering Clumio?
I rate Clumio a 10 overall. I chose a 10 for Clumio because it is a secure, cloud-based backup solution that we do not have to host; it is hosted externally, and the backups are immutable, in addit...
What else besides data replication does QoreStor offer?
Quest QoreStor can be used for multiple things besides data replication. For example, it can be trusted to make a backup of your data. You know that replication and backups are different, right? Re...
How does Quest QoreStore protect your data?
One of our favorite features of Quest QoreStore for data protection isn't the backup, actually, though we're using it actively (maybe just as much as data replication, to be honest). We absolutely ...
How does Quest QoreStore solve repetitive data replicas?
When I first found out about data replication and the many benefits it had, I couldn't help but wonder - what about the copies you don't need? Like it's unavoidable for some of the copies to get da...
 

Also Known As

No data available
QoreStor
 

Overview

 

Sample Customers

Cava Restaurants, Pacific Dental Services, Defiance Digital, Frogslayer, Motion Picture Associations, Point Loma, Club Assist, Immigrant Services Calgary (ISC), Lakeside Process Controls, Maple Reindeers
American Airlines, at&t, Bank of America. Barclays, ebay, Ford
Find out what your peers are saying about Clumio vs. QoreStor and other solutions. Updated: August 2026.
908,834 professionals have used our research since 2012.