What users are saying about
101 Ratings
17 Ratings
101 Ratings
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Score 8.1 out of 100
17 Ratings
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Score 8.9 out of 100

Highlights

Datadog and Prometheus are IT service monitoring tools designed to give businesses insight into the performance of their hardware and software stacks. Datadog is a single-pane-of-glass solution with monitoring, alerting, data analysis, and visualization capabilities. Prometheus is a free open-source tool focused solely on monitoring and alerting. On TrustRadius, Datadog is used primarily by mid-sized companies, while Prometheus is primarily used by large enterprises.

Features

Although both Datadog and Prometheus have similar core functionality, their user experience and implementation are significantly different.

Datadog is a professionally-supported product with plenty of visual analysis and quality-of-life features. Users on TrustRadius appreciate that it allows them to monitor performance, manage alerts, add and remove monitored resources, and analyze data from a single centralized application. Its data analysis tools in particular give customers multiple ways to view, manipulate, and understand the metrics generated by Datadog. The platform has a wealth of functionality available, and a wide array of officially-supported extensions add helpful features. A professional support team and strong user community help customers resolve any problems they may encounter.

Prometheus, on the other hand, is a free open-source tool that focuses exclusively on monitoring and alerting. As a standalone application, Prometheus has a simple initial setup. It stores all scraped metrics in a database that can be searched with a query language to retrieve and evaluate performance data. Prometheus is extremely customizable, with several community-supported integrations and the freedom to create and tweak alerting rules as needed.

Limitations

Datadog and Prometheus won’t be the right solution for every business, as they have significantly different user experiences. Make sure you consider the limitations of each platform before committing to one or the other. 

According to reviewers on TrustRadius, Datadog can be overwhelming for new users. Its large array of functionality can be useful, but it can also be intimidating for new users. Overall, the platform requires significant user training and customization. Even experienced users have reported difficulty navigating the platform. Some features and edge cases lack sufficient documentation, necessitating a customer support ticket or a request for help from the community. Although Datadog’s price point is reasonable when compared to licensed competitor software, customers still have to pay per host, per GB of log data, or per log event. For smaller organizations, Datadog may very well be overkill.

In comparison, Prometheus offers a classic open-source experience—for better or for worse. Users must be prepared to write code, create configuration files, and operate without a GUI. New users will also have to spend plenty of time learning how to use Prometheus. Since it is an open-source software with no professional support, users will need to rely on community documentation and support, which may be sparse or take time to get results from. Additionally, Prometheus relies on third-party applications for data visualization and analysis, requiring users to manually configure the dataflow from a monitored application to Prometheus, and then from Prometheus to other software. Finally, Prometheus has no built-in authentication or authorization features, relying on other tools to provide access security.

Pricing

Datadog offers several per-month pricing models designed to adapt to various operation scales and requirements. These models include pricing per host, per million log events, per function, per GB of analyzed log files, and per session. For more details on the available plans and pricing, refer to the Datadog pricing page.

Prometheus is open-source and can be downloaded for free.

Likelihood to Recommend

Datadog

Datadog is a no-brainer for any environment that relies on multiple servers. Even for one server, it's so much better to use for monitoring and alert capability than anything else I remember looking at before we started using Datadog. Teams can even use it to track their progress of investigating an alert so multiple people aren't unknowingly looking into the same exact issue unnecessarily.
Anonymous | TrustRadius Reviewer

Prometheus

I would say that every organization should definitely start using Prometheus for monitoring as long as it is a small environment with less than 1000 nodes. I haven't tried it with more nodes, but I have heard that if you have a bigger infrastructure, better shift to something better than Prometheus.
Anonymous | TrustRadius Reviewer

Pros

Datadog

  • APIs, the ability to interact with the data we pull into data dog is key. We port the information over to Servicenow, so the ability to pull everything into DataDog, then Servicenow, is a key component of our success here at Wayfair.
  • Simple Interface - clean, useful, effective. Allows users to use DataDog for one reason, get work done.
  • Lightweight agent on hosts
Anthony Zappala | TrustRadius Reviewer

Prometheus

  • Inbuilt database.
  • Amazing visualization.
Anonymous | TrustRadius Reviewer

Cons

Datadog

  • User interface could be improved in some areas, looking for host information and the agent install link takes a bit of time.
  • Configuration of the agent is generally done via a config file which is a pro and a con. It would be nice to have some UI to configure various agent options.
  • Billing isn't entirely straightforward, they could use more reports to figure out the source of your monthly costs.
Kevin Van Heusen | TrustRadius Reviewer

Prometheus

  • Need to extend its support.
Anonymous | TrustRadius Reviewer

Usability

Datadog

Datadog 10.0
Based on 1 answer
The user interface is quite intuitive with the exception of the network map. As a deployer of software, it is trivial to setup.
Anonymous | TrustRadius Reviewer

Prometheus

No score
No answers yet
No answers on this topic

Support Rating

Datadog

Datadog 8.4
Based on 12 answers
Our experience working with their support found them to be helpful and quick to respond. Also, as many of their integrations are open source, improvements we desired could be tracked and even driven by us. Their documentation is excellent and makes integrating their tooling simple and makes standing up monitoring for new application a quick and painless process.
Anonymous | TrustRadius Reviewer

Prometheus

Prometheus 5.0
Based on 1 answer
Never had to reach out to them.
Anonymous | TrustRadius Reviewer

Alternatives Considered

Datadog

New Relic APM is a great application performance monitoring tool, but the agent was producing an increased load on our system compared to Datadog. Datadog also gives the flexibility of going outside of the boundaries of the application and looking at system performance as well, which can have a large impact on application performance.
Stephen Groat | TrustRadius Reviewer

Prometheus

If you combine Prometheus with Grafana, what you get is just amazing. it is basically the best ecosystem that I have seen. Grafana just makes those fancy "iron man" kind of dashboards and it just looks so appealing to your eyes. I have implemented Nagios Core earlier for monitoring and I would say I still prefer Prometheus than Nagios since the flexibility that it provides and the ease with which it can be setup.
Anonymous | TrustRadius Reviewer

Return on Investment

Datadog

  • One of our critical production databases went down a couple of weeks back. Just because we had the Datadog monitoring enabled for that database, Datadog sent the alerts to PagerDuty and we were instantly notified via pager and email alert. We could act right away and bring up the database within a few mins.
  • Ability to create custom screenboards have allowed us to track the critical and warning alerts in front of our eyes all the time
Rajeshh Raghavan | TrustRadius Reviewer

Prometheus

  • It's free, but overall positive.
  • Just view the dashboard in the morning and you know everything about your system.
Anonymous | TrustRadius Reviewer

Screenshots

Pricing Details

Datadog

General

Free Trial
Yes
Free/Freemium Version
Premium Consulting/Integration Services
Entry-level set up fee?
Optional

Datadog Editions & Modules

On-premise Edition
Infrastructure$15.001
Log Management$1.272
APM$31.003
  1. Per Host Per Month
  2. Per Million Log Events
  3. Per Host Per Month
SaaS Edition
Free$01
Standard$15/host2
EnterpriseCustom3
  1. Up to 5 hosts
  2. Up to 500 hosts
  3. 500+ hosts
Additional Pricing Details

Prometheus

General

Free Trial
Free/Freemium Version
Premium Consulting/Integration Services
Entry-level set up fee?
No

Prometheus Editions & Modules

Additional Pricing Details

Add comparison