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ASG TMON vs BMC AMI Ops Monitoring vs IBM OMEGAMON comparison

Review summaries and opinions

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

Mindshare comparison

As of August 2025, in the Mainframe Management category, the mindshare of ASG TMON is 14.4%, up from 10.9% compared to the previous year. The mindshare of BMC AMI Ops Monitoring is 23.3%, up from 20.1% compared to the previous year. The mindshare of IBM OMEGAMON is 26.0%, down from 28.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Mainframe Management
 

Featured Reviews

Roland Schiradin - PeerSpot reviewer
Easy to install and use with good support and
It's too early to say what improvements are needed, but I can only say we are happy with our decision to move to TMON. We haven't looked at the graphic tools so far, but they're on our to-do list for this year. We will see what happens after the move to Rocket Software. We haven't seen any missing information about our daily work and analysis of our production systems and applications. We're like it to be possible to move some more workload to our ZIIP processors to save us some billing for general workload.
it_user676302 - PeerSpot reviewer
Enabled me to solve production problems faster or even avoid them preemptively with warnings
MainView is used as a central point of view to control and monitor systems on the mainframe like z/OS, CICS, MQSeries IMS, or DB2.  MainView has enabled me, in the past, to solve production problems faster, or even avoid them preemptively with warnings. The integration of IMS commands is very…
PB
Good stability but it is lacking the ability to see historical information
We can only see online information but there isn't any historical data to see something that happened a few hours previous. We don't have the ability to access that information. Previously, with MainView, we could look back at information from two days before and get information. We could easily get information from Plexus. Now, we don't have a single screen to check which has been annoying. Compared to MainView, Tivoli is rubbish. We are forced to use this solution. We couldn't stay with MainView. I would like for it to be easier to check the system performance. It should have the ability to see historical data. We can't see the percentages to see the percentages of the CPU utilized. We should be able to see how much was used by our part of the system. Now, we have to continuously recalculate that information.

Quotes from Members

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

Pros

"The report writer in TMON is a very good add-on for batch reports which weren't available in OmegaMon/CICS."
"The integration of IMS commands is very useful, because you do not have to switch to another tool to problem solve solutions."
"Enabled me to solve production problems faster or even avoid them preemptively with warnings."
"It's stable enough. I haven't noticed any problems since it was installed."
 

Cons

"We're like it to be possible to move some more workload to our ZIIP processors to save us some billing for general workload."
"More visualisation and support for mobile devices would be good."
"An expansion for distributed systems would be great, but probably not workable."
"We can't see the percentages to see the percentages of the CPU utilized. We should be able to see how much was used by our part of the system. Now, we have to continuously recalculate that information."
 

Pricing and Cost Advice

Information not available
"If you already use other products from BMC, you might be able to get a package deal from BMC's sales department."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
25%
Computer Software Company
13%
Healthcare Company
10%
University
8%
Financial Services Firm
28%
Government
9%
Manufacturing Company
8%
Insurance Company
8%
Financial Services Firm
20%
Computer Software Company
17%
Government
11%
Healthcare Company
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
No data available
 

Questions from the Community

What do you like most about ASG TMON?
The report writer in TMON is a very good add-on for batch reports which weren't available in OmegaMon/CICS.
What is your experience regarding pricing and costs for ASG TMON?
We found that, in comparison, BMC and OmegeMon were expensive.
What needs improvement with ASG TMON?
It's too early to say what improvements are needed, but I can only say we are happy with our decision to move to TMON...
What is the best network monitoring software for large enterprises?
I have worked from 1973 with all kind of systems in large enterprises across the world. And have experience with all ...
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Also Known As

TMON
BMC MainView, BMC Automated Mainframe Intelligence
IBM Candle, Tivoli
 

Overview

 

Sample Customers

Bank of Tokyo, Vodafone, Westar Energy Inc.
Costco, Dell, Apple, Citi, AT&T, FedEx, Johnson&Johnson, Comcast, Caterpillar, Vodafone, Sysco, Google, Oracle, Microsoft, Walt Disney
Sharp Corporation