We performed a comparison between IBM Cognos and Tableau based on our users’ reviews in five categories. After reading all of the collected data, you can find our conclusion below.
Comparison Results: In this comparison, IBM Cognos comes out on top. Users are happier with the support than Tableau users are, and IBM Cognos users also report an ROI.
"The main difference that I like about Cognos compared to other solutions is its data splitting functionality. We have all our company data inside the Cognos environment and so we prefer to split the information Cognos itself. It's more efficient this way."
"The three IBM Cognos features I find the most valuable are Dynamic Cubes, PowerPlay, and Watson."
"The correlation analysis is excellent. It's one of the best that I have used to date."
"The Report Studio that is aimed at professional report writers."
"The product is a very good reporting tool and is very flexible. It allows for the users to get a scheduled report."
"It is a stable product."
"For planning, forecasting, in-boxing, modeling in general and for predicting numbers and doing work analysis, they are excellent."
"Report Studio: This is the most powerful and sophisticated tool for professional reporting."
"One of the most valuable features of Tableau is that it's a visual analytics solution, not just a dashboarding solution. Compared to Power BI, which is a dashboarding solution, there are no limitations with Tableau. For example, when you add a chart or a map to Power BI, it has a 3,000-point limitation. When you try to track your whole vehicle on the map, you only see the first 3,000 rows on the map, and Power BI doesn't tell you which part of the data is shown on the map. But Tableau doesn't have any limitations, which means that you can see five million data points on a map. It starts the project by creating the visuals that directly converts to SQLs. In that way, all the components have no limitations. When we compared Tableau to Power BI, we also found Tableau to be more fancy. Fancy means you can create more visual graphics and more visual dashboards. With Power BI, this isn't so—it's just some tables and some simple charts together. Tableau is more for business users who want to analyze data. Tableau can directly connect the analytics systems, like R or Titan, and get the results in screen, so it's a good solution for analytics scientists. It has some predefined capabilities to understand the data."
"The ability of filtering and segmentation of the data makes it very flexible compared to other tools."
"I like the visualization component."
"Very user friendly."
"The most valuable part of the solution is the general dashboard features."
"The product has the best features for analytical views and filters."
"It's intuitive and highly mature"
"The platform's most important feature is predictive analysis."
"The performance is a bottleneck and something that can be improved."
"I think the GIS pieces maybe not as good as we would like."
"The solution seems to slow down the servers."
"The solution's support could be better."
"It would be better if it is was easier to implement without extensive training for it."
"I would like to have predictive and forecasting capabilities in Cognos. It's one thing to do reporting, and another thing to easily predict or forecast certain data points, which is very important for all the clients."
"Data modeling needs to be improved. We use the ETL process, and when we get errors, we then need to identify which structural change is required. The error messaging should be better. They should be descriptive rather than semantic."
"It could have more options for themes."
"Reports should be downloadable as PDF files."
"We have products like Tableau, Power BI, Cognos, and QlikView in the data visualization segment. Compared to those, Tableau is quite costly."
"From the developer perspective, the data connection handling the target data set is what most needs to be improved."
"When we put more information on a single screen, it gets compressed and superimposed in many places while scrolling."
"If I have to develop any, for example, pie charts, I can develop them just fine. However, if I have to develop a donut chart, that I cannot do it in a simple way. There are tricks that I need to use if I have to design a donut chart. It should be more flexible and provide more visualization options."
"The user story model is the most deceptive part of Tableau. It is a big marketing option, however, the reality is that it is not enough."
"The solution could use more features in data analytics."
"Tableau is an end-to-end analytics platform, and it is doing a pretty good job in terms of connecting to the data and analyzing it. It can, however, do better in terms of data management and the ETL features, which are not on the advanced analytics or machine learning side. Tableau Prep is where users would want to see more advancements. They can improve Tableau Prep, which is an analytic platform tool for data cleansing. People who work with data spend most of their time curating the data. Cleaning up the data and getting it ready for analysis is what takes the most time. If Tableau can invest more time in improving the Tableau Prep platform, it would be great. Previously, Tableau didn't have the functionality for writing to a database. So, you couldn't really alter the database tables and write to your database, but they fixed that in one of the very recent releases. However, it isn't really advanced and should be improved."
IBM Cognos is ranked 4th in Reporting with 132 reviews while Tableau is ranked 2nd in Reporting with 290 reviews. IBM Cognos is rated 8.0, while Tableau is rated 8.4. The top reviewer of IBM Cognos writes "Improved the quality of our KPIs, while reducing calls to the IT department". On the other hand, the top reviewer of Tableau writes "Provides fast data access with in-memory extracts, makes it easy to create visualizations, and saves time". IBM Cognos is most compared with Microsoft Power BI, Oracle OBIEE, SAP BusinessObjects Business Intelligence Platform, Oracle Hyperion and Amazon QuickSight, whereas Tableau is most compared with Microsoft Power BI, Amazon QuickSight, Domo, SAS Visual Analytics and Oracle OBIEE. See our IBM Cognos vs. Tableau report.
See our list of best Reporting vendors and best BI (Business Intelligence) Tools vendors.
We monitor all Reporting reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.