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Hillstone E-Series vs KeepSolid VPN Unlimited comparison

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Comparison Buyer's Guide

Executive Summary

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

Hillstone E-Series
Ranking in Enterprise Infrastructure VPN
24th
Average Rating
9.0
Reviews Sentiment
7.7
Number of Reviews
10
Ranking in other categories
Firewalls (41st), SSL VPN (10th)
KeepSolid VPN Unlimited
Ranking in Enterprise Infrastructure VPN
38th
Average Rating
8.0
Reviews Sentiment
7.1
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Enterprise Infrastructure VPN category, the mindshare of Hillstone E-Series is 1.9%, up from 0.9% compared to the previous year. The mindshare of KeepSolid VPN Unlimited is 0.6%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Infrastructure VPN Mindshare Distribution
ProductMindshare (%)
Hillstone E-Series1.9%
KeepSolid VPN Unlimited0.6%
Other97.5%
Enterprise Infrastructure VPN
 

Featured Reviews

TahirMahmood - PeerSpot reviewer
IT Manager at Zubair Feeds
Offers good features like URL filtering, IPS, and IDS to users
We received an update for the tool in July. The update was provided for the tool as there was a problem with the firewall, where too much memory was consumed, and the firewall was hanging a lot. When we updated the tool's features, everything became okay. The tool only had some memory-related problems. It took the tool a month to fix the issues.
Stas Radionov - PeerSpot reviewer
Test Manager at FirmTec
Responsive support, fair pricing, and good performance
It's going very well. We are happy with its capabilities. The performance is good overall. We like that we can change the connection if you don't like the speed, for example, is limited. You can find the right one to get the performance you require. It is easy to set up. It is stable. Technical support has been helpful and responsive. Pricing is fair. It was not too expensive.

Quotes from Members

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

Pros

"The most valuable feature of the solution is the ransomware protection that the tool offers."
"I am impressed with the application filtering feature."
"Five out of five ROI."
"With Hillstone, TCO and ROI are very good, it's an easy sale."
"The most valuable feature of the Hillstone E-Series is its user-friendliness."
"Very reliable solution with good scalability and straightforward implementation."
"Stability-wise, I rate the solution a ten out of ten."
"If an organization is not looking for a web proxy, it's a very, very good product."
"It is stable."
 

Cons

"The tool provides just a general report. It does not provide a granular report. Hence, the tool should work on its reporting feature."
"The tool needs to improve its price."
"SSL VPN license cost is not cheap."
"The solution doesn't have a web proxy built into the system like Sophos. This is something they should work to change."
"Support from Hillstone E-Series has a shortcoming that needs improvement."
"The room for improvement would be the SSL VPN license cost."
"I am not sure if this solution offers active directory integration. Adding that feature will definitely be an advantage."
"The licensing model is very complex with many subcategories of licenses you can purchase. They could make it more simplified for customers to understand."
"The scalability could be a bit better."
 

Pricing and Cost Advice

"Hillstone's pricing is economical and neither very high nor very low."
"The licensing model is very complex with many subcategories of licenses you can purchase. They could make it more simplified for customers to understand."
"The tool's pricing is reasonable. It depends on the model. The product's pricing is around 600 USD. You need to buy a software license to activate the features. You need to pay around 150 USD for that."
"The cost per year for licensing, and hardware, is approximately $850 for the basic plan."
Information not available
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Top Industries

By visitors reading reviews
Construction Company
16%
Comms Service Provider
11%
Outsourcing Company
10%
Financial Services Firm
10%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise1
No data available
 

Overview

 

Sample Customers

Bank of China Macao, Instituto Tecnológico Bolivariano, Ministry of Labor in San Salvador, FEDCO
macOS, Windows, Linux, Android
Find out what your peers are saying about OpenVPN, Tailscale, Fortinet and others in Enterprise Infrastructure VPN. Updated: September 2026.
915,325 professionals have used our research since 2012.