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Hornetsecurity Altaro VM Backup vs QoreStor comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 19, 2025

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

Hornetsecurity Altaro VM Ba...
Ranking in Backup and Recovery
36th
Ranking in Disaster Recovery (DR) Software
23rd
Average Rating
8.6
Reviews Sentiment
7.6
Number of Reviews
31
Ranking in other categories
Cloud Backup (32nd)
QoreStor
Ranking in Backup and Recovery
54th
Ranking in Disaster Recovery (DR) Software
30th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
9
Ranking in other categories
Data Replication (12th), Disk Based Backup Systems (8th), Storage Software (5th), Software Defined Storage (SDS) (23rd), Copy Data Management (6th), File and Object Storage (22nd)
 

Mindshare comparison

As of October 2025, in the Backup and Recovery category, the mindshare of Hornetsecurity Altaro VM Backup is 0.7%, down from 0.8% compared to the previous year. The mindshare of QoreStor is 0.3%, up from 0.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Backup and Recovery Market Share Distribution
ProductMarket Share (%)
Hornetsecurity Altaro VM Backup0.7%
QoreStor0.3%
Other99.0%
Backup and Recovery
 

Featured Reviews

Asif Usmani - PeerSpot reviewer
Lacks multi-platform support and physical infrastructure but excels in storage optimization
We use it for VM backup and Office 365 backup I find the solution to be user-friendly and easy to manage and deploy. It provides storage for Office 365, which is beneficial, and the deduplication technology is excellent, especially in optimizing storage capacity compared to others. In terms of…
Jeff Manuszak - PeerSpot reviewer
Cost-efficient, highly scalable, and installable on different types of hardware
They could improve on support a little bit. We have not had to engage their support much, but when we do have issues, it can take longer to get things resolved. We are pretty lenient as we do a lot of IT support ourselves. We are not very hard on support organizations, but when a customer has a support issue, it would be easier if the support processes were a little bit more automated. It would be beneficial to have an easier way to upload diagnostic dump files. They can make it easy for the customer to collect the diagnostic data. There can be some kind of monitoring solutions to alert users to issues with the appliance or software, making it easy for customers to monitor their systems in the field. This is especially critical because it stores customers' backups, and a failure can have significant business impacts. If a customer does not have the backups and has a disaster, they can be out of business, so monitoring is key.

Quotes from Members

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

Pros

"The product has many valuable features for handling backup needs, including replication, live migration, and incremental disaster recovery."
"Reverse Delta is Altaro proprietary backup deduplication technology. With Reverse Delta, the latest version of a file is always made available in its entirety, not as a delta file."
"The interface is user-friendly and even if our tech isn't onsite, we can work with the owners to confirm that the data will be restored with no issues."
"The intuitive interface allows you to set up and perform backups and restores easily."
"All of the features are fantastic and also the management from Microsoft dealing with multiple machines is great. The whole package is excellent for me."
"Ability to restore to any host."
"The ability to test the backups without having to manually mount the VHDs after restore allows us to check the integrity of the backups."
"We use the latest feature in Altaro called CDP (Continuous Data Protection) to back up our VMs as often as every five minutes. It allows us to make sure no data is accidentally deleted or overwritten."
"The features we use for the data deduplication are nice because we're able to back up a much larger amount of data, yet it doesn't necessarily take up that much data on the devices."
"I would rate QoreStor a ten out of ten for what it offers for the price."
"This software solution can be installed on many different types of hardware, which makes it very flexible. We can run it on virtual machines or virtual servers, providing convenience for solutions of varying sizes, from small to large."
"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."
"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."
"Deduplication is the most valuable feature. It saves us a lot of space. When we back up 100 terabytes of data, after dedupe, it only uses maybe five to six terabytes for the disk space in QoreStor."
"Data deduplication and replication would be the top two features. The encryption and cloud tiering are also attractive for the future."
 

Cons

"Hornetsecurity Altaro VM Backup could be improved in several areas, such as enhancing scalability features and possibly reducing the price."
"The solution needs multi-platform support as it is currently only available for VMware and Hyper-V. It also lacks support for physical servers and workstations."
"It would be nice to see a feature that backs up the host so that, in case of a server failure, an entire server could be restored all at once."
"Replication is not fast, the GUI could be more user-friendly, and technical support is lacking in Iran."
"Stability."
"Migrating the physical through a backup and restore to a virtual environment would be very helpful."
"It would be nice to be able to recover the items to their original location."
"The solution needs multi-platform support as it is currently only available for VMware and Hyper-V."
"They could improve on support a little bit. We have not had to engage their support much, but when we do have issues, it can take longer to get things resolved."
"They need to increase their maximum capacity. Other than that, they're doing a pretty good job."
"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."
"Support is one point of improvement for Quest QoreStor. Support is sometimes not adequate."
"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."
"There can be some kind of monitoring solutions to alert users to issues with the appliance or software, making it easy for customers to monitor their systems in the field."
"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."
"Overall, I am happy with this solution, but a way to export configuration settings would be beneficial."
 

Pricing and Cost Advice

"No other product offers these features for this price. The ROI is great."
"​By implementing the solution at multiple locations, significant cost savings were achieved."
"VMware is a little pricey, but it is a good solution and priced similar to other products."
"Altaro had the best prices and ROI in the whole bunch that we evaluated."
"Its yearly maintenance fee is fairly high for me to renew for upgrades and support."
"There is a free version for two VMs. I would advise to study the deployment environment well, prior to committing to order a license per host."
"Altaro VM Backup is affordably priced. It is a best value for its price and has almost every feature that an expensive, popular product offers."
"There is a free version for Hosts with 2 VMs."
"Its pricing model is very attractive. You have one price, and you get everything from QoreStor."
"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."
"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."
"The cost is per terabyte, and overall, the cost was reasonable when compared to some competitors."
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Top Industries

By visitors reading reviews
Government
10%
Manufacturing Company
10%
Comms Service Provider
9%
Computer Software Company
8%
Performing Arts
15%
Computer Software Company
10%
Financial Services Firm
7%
Educational Organization
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise4
Large Enterprise4
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise1
Large Enterprise2
 

Questions from the Community

What do you like most about Hornetsecurity Altaro VM Backup?
The most valuable feature of Altaro VM Backup is its ability to backup and restore various types of data, including Active Directory, application servers, and SQL Server databases.
What is your experience regarding pricing and costs for Hornetsecurity Altaro VM Backup?
The pricing and licensing cost is challenging since most competitors offer cheaper pricing, making it difficult to penetrate the market with the current pricing strategy.
What needs improvement with Hornetsecurity Altaro VM Backup?
The solution needs multi-platform support as it is currently only available for VMware and Hyper-V. It also lacks support for physical servers and workstations. Additionally, they should add more p...
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

Altaro VM Backup
QoreStor
 

Overview

 

Sample Customers

Thomson Reuters, Microsoft, Amazon, Harvard University, MIT, Peugeot, Xerox
American Airlines, at&t, Bank of America. Barclays, ebay, Ford
Find out what your peers are saying about Hornetsecurity Altaro VM Backup vs. QoreStor and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.