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ISL Online vs TeamViewer comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 19, 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

Microsoft Intune
Sponsored
Ranking in Remote Access
2nd
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
338
Ranking in other categories
Configuration Management (2nd), Enterprise Mobility Management (EMM) (1st), Unified Endpoint Management (UEM) (1st), Microsoft Security Suite (1st)
ISL Online
Ranking in Remote Access
30th
Average Rating
9.8
Reviews Sentiment
7.7
Number of Reviews
9
Ranking in other categories
No ranking in other categories
TeamViewer
Ranking in Remote Access
1st
Average Rating
8.6
Reviews Sentiment
6.8
Number of Reviews
108
Ranking in other categories
Virtual Meetings (3rd), Remote Monitoring and Management (RMM) (3rd)
 

Mindshare comparison

As of April 2026, in the Remote Access category, the mindshare of Microsoft Intune is 8.0%, down from 10.7% compared to the previous year. The mindshare of ISL Online is 1.1%, down from 1.2% compared to the previous year. The mindshare of TeamViewer is 8.7%, up from 8.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Remote Access Mindshare Distribution
ProductMindshare (%)
TeamViewer8.7%
Microsoft Intune8.0%
ISL Online1.1%
Other82.2%
Remote Access
 

Featured Reviews

AkashKamble - PeerSpot reviewer
Sr MacOS specialist engineer at Cyber24
Enables management of multiple operating systems with a single license
The best feature is that it's a Microsoft product, so if anything goes wrong, we get quick support for anything required. Remote system functionality allows us to sit anywhere and take control of any device via remote management. We can enhance security for clients' laptops with built-in Microsoft Defender, which is available with the Microsoft Intune license. We use it for reporting purposes through endpoint analytics. When pushing scripting, there are two types available: remediation script and reservation script. Through endpoint analytics, you can push defender policies to clients. It helps with reporting, inventory updates, and monitoring tenant status health.
ErikDas - PeerSpot reviewer
Owner at Cherub
Easy to deploy, stable, scalable and safe
I previously used TeamViewer. ISL Online is definitely the better choice compared to TeamViewer, as it offers a more secure connection that does not involve peer-to-peer transport, and all data is encrypted. A single license for ISL Online costs about the same as TeamViewer but with multiple licenses, ISL Online is cheaper.
Begaya Morris - PeerSpot reviewer
Lead Software Engineer at BD
Reliable remote access has improved secure collaboration and streamlined daily approvals
The best features TeamViewer Business offers in my opinion are collaboration, templates, a high level of security, and session recording. Collaboration allows me to collaborate remotely with my team members. Besides reconnecting automatically, it provides a high level of security, protecting from cyber attacks and aids in providing assurance in regulated environments through two-factor authentication and end-to-end encryption features. It also allows recording live sessions, which can be replayed as needed for future reference. TeamViewer Business has positively impacted my organization as collaboration has enhanced, especially remote collaboration by 60 to 70 percent. I have been able to collaborate with clients and other team members seamlessly. Enhanced workflow efficiency includes faster approvals and a lowered risk of data loss, misuse, and leak through robust features like two-factor authentication and end-to-end encryption. It also facilitates compliance using documentation and auditing through recordings and logs.

Quotes from Members

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

Pros

"EAM is a godsend."
"I would say right now that Microsoft Intune is one of the best solutions."
"The Advanced Endpoint Analytics in Microsoft Intune has improved and helps us proactively detect and remediate anomalies in endpoints."
"The ability to send configurations to our systems is valuable, particularly as we don't have a regular Windows AD server. Our current environment doesn't have a Windows AD, which limits our ability to push GPOs. However, this is where the solution can step in and help us push policies."
"The stability is good."
"The most valuable includes managing everything from a single console."
"Conditional access has helped 3M tailor and enforce our security policies in the mobile space."
"Using this product has completely stopped DLP, so people cannot take material off of corporate machines or corporate imagines, and that's a huge benefit."
"The solution has a lot of features. It does what it is made to do and that's all we can ask for, really."
"Good communication is a key to good business and ISL helps a lot."
"We are just much more responsive, we can be faster, and we can support our customers in a better way because when they have a problem, we can be on their computer immediately."
"ISL is a fundamental partner for us since, throughout all these years, it has allowed us to grow and solve the problems of our customers and their users in a very fast and agile way without having to move, even providing service abroad."
"Overall, we are very pleased with this solution, for us, it simply works 99.9% of the time."
"I personally really appreciate the file transfer feature as it is really easy to use."
"The stability is great; reliability is what's very important to me, as well as security, and this solution may have only had one instance of downtime in 14 years."
"Without ISL Online, I would not be able to work from home."
"The TeamViewer system has some built-in security. The TeamViewer client connects to the TeamViewer host securely. Only a certain number of authorized users on our side have access to the system. Even within that, an individual endpoint can be assigned to a group, where not everybody has access but, rather, just one or two people who are part of a support team might have access to that particular device. So TeamViewer has given us tools to be able to segregate who has access to different things."
"The solution is very stable, and we've never had a problem with it."
"The usability and graphic interface stand out for me because it is very easy to understand, with upper bars, all the features, and the file transfer functionality."
"The most valuable feature of the solution is that it is very fast. The file transfer from remote machines to my machine or from my machine to the remote machine works well."
"The most valuable feature of TeamViewer Tensor is the remote access."
"Unattended access with single login."
"During the initial phase of using it continuously, I realized this has been by far the most efficient and seamless working software for my organization and it was the best fit."
"The document control is quite good."
 

Cons

"The synchronization could be improved."
"Almost every day during the initial deployment, I would chat with technical support for solutions. They did not give me a suitable solution to solve the false positive alarms."
"Reliability is something that I feel there is a tad bit of concern. The only point is that we need to sync multiple times to get something pushed through."
"It would be better if Microsoft can reduce the cost of the license, as we know the Intune device subscription is licensed per device at a cost of $2 a month, but for the best enhanced security and features we must add an add-on license or buy or upgrade to a bundling license such as M365E5."
"Intune could be improved by expanding its third-party patching capabilities for a more comprehensive solution."
"Intune could add more Linux security features and more integration with on-prem devices. The application deployments can also be improved."
"From a new user's perspective, it may be a little overwhelming because there are quite a few things to look at in the console, however, once you are sort of acclimated and are familiar with your core functions, it's fairly simple and straightforward."
"We had an APNS certificate set to expire last week. We tried to renew it two days before it expired. We logged in to the APNS portal but could not find that certificate. We didn't know where it went. All the iOS devices stopped working. We contacted the Apple and Microsoft teams, and each blamed the other. This is something that Microsoft should take care of. Last week, we had so many escalations from high-profile users who couldn't access corporate data on their devices."
"Updating the program could be improved. When they're pushing updates, you don't really know that there's an update available."
"There could be a section in the menu describing the new features and changes."
"We miss the possibility to communicate via head-set in ISL. At the moment, we combine ISL for visual communication with Skype for verbal communication."
"It would be helpful if they had iSupport for supporting Apple phones."
"There could be a section in the menu describing the new features and changes."
"It would be helpful if they had iSupport for supporting Apple phones."
"I would like to be able to access and manage all brands of smartphones."
"We miss the possibility to communicate via head-set in ISL."
"Sometimes we'll have a device in the field, and I'll click on remote control and it says "Can't authenticate." I'll double click in a different part of the TeamViewer interface and it'll say "Can't authenticate." Then I'll do it a third time and it connects."
"In the next release, I would prefer to have a voice integration and collaboration feature to support multiple teams simultaneously."
"I'm not sure if they provide good quality audio alongside screensharing."
"One thing I have noticed is that TeamViewer does not work so well when the machine you are trying to connect to remotely is not running the same version as your machine."
"Quick User Switching has a very nasty tendency to render the screen output unstable."
"Some of the additional features, like the meeting stuff, is making it too cluttered."
"The business interface is clunky and not well-documented."
"If they could figure out a little better solution for the iOS stuff other than just a screen share, even though it's an Apple thing, and Apple doesn't like to give up control of their devices. If they ever got to that point, and I could manipulate an iPad or iPhone, that would be awesome. Since we have a bunch of iPad users who are struggling with doing different things, it would be nice to be able to just jump on and actually show them, "Here, do this, this, and this." Similar to what we do with the laptops, e.g. for training."
 

Pricing and Cost Advice

"All security solutions worldwide are expensive. Microsoft has allowed a small scale of features within Microsoft Intune for cost-efficient solutions. If you want the full suite, you need to invest more to gain better security features."
"Microsoft Intune's pricing is reasonable."
"The price is very reasonable."
"No one can compete with Microsoft when it comes to price, and the features it is offering."
"It is reasonable. When you have Microsoft 365 E3 or E5 license, it is already licensed in that license. So, you could say it is free."
"There are licenses required for this solution. We enable licenses on the devices we need to manage."
"Microsoft Intune is reasonably priced for large organizations that already have Microsoft Enterprise licenses, but it is less affordable for smaller businesses."
"The pricing for Intune and the competitor products are all within the same range, there is no true advantage when it comes to cost."
"We have a pay-per-use license available for 500 minutes within one year for 95 Euros. However, this option is not popular. Alternatively, we can purchase a one-year license for 339 Euros; if we need two licenses, the cost is double, and for three licenses, the cost is triple with a ten percent discount. For 99 Euros a year, we can open multiple sessions on the same computer with a multi-session subscription."
"TeamViewer's price is cheaper than some other similar solutions. We have licenses for our users."
"We're using the free version. We do not pay any licensing fees."
"There is a free and paid version of this solution. I am currently using the free version."
"We have a corporate license. The maximum amount number of users changes based on the amount you pay. E.g., with our license, there is a maximum amount of users who can use the solution at the same time (10 users)."
"TeamViewer pricing is reasonable... The simultaneous controller licensing model of TeamViewer - compared to LogMeIn’s controlled Host licensing model - seems to benefit us so far. We’re currently saving about 30 percent on licensing cost... The savings from licensing have been eaten up by the soft costs involved in dealing with and working around TeamViewer’s deficiencies in allowing granular control by multiple controllers, and the issues with the various settings that are missing on the macOS Host."
"TeamViewer offers a free version to try. Download and give it a shot. See what it's like and if you like it, then buy the license for it."
"I used the free version of TeamViewer."
"I rate pricing a ten on a scale from one to ten, where one is low and ten is high. There are no additional costs attached to the licensing of the solution."
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Manufacturing Company
9%
Computer Software Company
9%
Government
8%
Comms Service Provider
13%
Performing Arts
13%
Computer Software Company
7%
Construction Company
7%
Manufacturing Company
11%
Computer Software Company
9%
Construction Company
7%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business126
Midsize Enterprise55
Large Enterprise168
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise1
Large Enterprise1
By reviewers
Company SizeCount
Small Business42
Midsize Enterprise36
Large Enterprise36
 

Questions from the Community

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Earn 20 points
Should I choose Teamviewer Tensor over the regular Teamviewer?
The number one advantage of TeamViewer for me is its ease of use, specifically as it relates to the client side. By f...
What do you like most about TeamViewer?
It is easy to use and has a pretty good UI.
What is your experience regarding pricing and costs for TeamViewer?
The pricing, setup cost, and licensing for TeamViewer Business are relatively very competitive and cost-effective.
 

Also Known As

Intune, MS Intune, Microsoft Endpoint Manager
No data available
TeamViewer Tensor
 

Overview

 

Sample Customers

Mitchells and Buzzers, Callaway
Mitsubishi Chemicals, Konica Minolta, Raifeissen bank, Terpel, Singtel, Teleroute, SOS Kinderdorf, Arsys, EMAAR, Dutco, Alterdata
Porsche Informatik, Philips, DHL, Intel, Motorola, Microsoft, IBM, Siemens, Fujitsu, American Red Cross
Find out what your peers are saying about ISL Online vs. TeamViewer and other solutions. Updated: March 2026.
886,426 professionals have used our research since 2012.