Best Application Performance Monitoring (APM) Tools for Medium-Sized Businesses - Page 4

How Many Application Performance Monitoring (APM) Tools Products Does G2 Track?

Total Products under this Category: 291

Category Stats (Nov 2026)

  • Average Rating: 4.45/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: BMC AMI Data (+1.07%) - Among all products in this category, BMC AMI Data recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Application Performance Monitoring (APM) Tools Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 18,900+ Authentic Reviews
  • 291+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Application Performance Monitoring (APM) Tools

G2 Grid® for Application Performance Monitoring (APM) Tools plotting products by satisfaction and market presence

Highlighted products: Datadog, IBM Instana, Coralogix, New Relic, LogRocket, Grafana Labs, Site24x7, and Dynatrace.

Underlying data: [Grid® JSON](https://www.g2.com/categories/application-performance-monitoring-apm/grids.json?focus%5B%5D=datadog&focus%5B%5D=ibm-instana&focus%5B%5D=coralogix&focus%5B%5D=new-relic&focus%5B%5D=logrocket&focus%5B%5D=grafana-labs&focus%5B%5D=site24x7&focus%5B%5D=dynatrace&segment=mid-market)

OpenText SiteScope

Micro Focus SiteScope is an agentless application monitoring software that provides heterogeneous and hybrid support, quick time to value, and ease of installation, configuration, and use.

Average Rating: 4.0/5.0

Total Reviews: 24

How Do G2 Users Rate OpenText SiteScope?

  • Performance Metrics: 9.2/10 (Category avg: 8.3/10)
  • Root Cause Analysis (RCA): 9.6/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 9.3/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 8.2/10 (Category avg: 8.9/10)

Who Is the Company Behind OpenText SiteScope?

  • Seller: OpenText
  • Year Founded: 1991
  • HQ Location: Waterloo, ON
  • LinkedIn® Page: www.linkedin.com
    22,835 employees on LinkedIn®
  • Ownership: NASDAQ:OTEX
  • Phone: +1-519-888-7111

Who Uses This Product?

  • Top Industries: Information Technology and Services, Banking
  • Company Size: 48% Large, 35% Medium

What Are Recent G2 Reviews of OpenText SiteScope?

What Are G2 Users Discussing About OpenText SiteScope?

Dashbird

Monitor serverless apps on AWS. See into your serverless applications. Deliver perfect user experiences with real-time visibility, alerting and troubleshooting for applications built on AWS Lambda. Dashbird allows you to develop faster and operate production workloads with confidence with no code changes. Full observability covered for AWS services: Lambda, API Gateway, DynamoDB, SQS, ECS, Step Functions, Kinesis, HTTP API Gateway, RDS, SNS, OpenSearch, ELB.

Average Rating: 4.9/5.0

Total Reviews: 24

How Do G2 Users Rate Dashbird?

  • Performance Metrics: 9.0/10 (Category avg: 8.3/10)
  • Root Cause Analysis (RCA): 9.0/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 9.0/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Dashbird?

  • Seller: Dashbird
  • Year Founded: 2017
  • HQ Location: Tallinn, Harjumaa
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services, Consumer Goods
  • Company Size: 52% Small, 44% Medium

What Are Recent G2 Reviews of Dashbird?

Scout Monitoring

Scout Monitoring is application performance monitoring that streamlines troubleshooting by helping developers find and fix performance issues before customers ever see them. With real-time alerting, a developer-centric UI, and tracing that ties bottlenecks directly to source code, Scout helps teams spend less time debugging and more time building great products. Quickly identify, prioritize, and resolve issues like memory bloat, N+1 queries, slow database queries, and related performance problems using lightweight instrumentation with minimal overhead. Built for developers, by developers, Scout supports Ruby, PHP, Python, and Elixir applications and provides a unified view of application performance, errors, and logs with simple, transparent pricing.

Average Rating: 4.6/5.0

Total Reviews: 73

How Do G2 Users Rate Scout Monitoring?

  • Performance Metrics: 7.9/10 (Category avg: 8.3/10)
  • Root Cause Analysis (RCA): 9.0/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 7.1/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 9.5/10 (Category avg: 8.9/10)

Who Is the Company Behind Scout Monitoring?

Who Uses This Product?

  • Who Uses This: CTO, Founder
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 61% Small, 35% Medium

What Do G2 Reviewers Say About Scout Monitoring?

AI-generated summary from verified user reviews

Pros
  • Users value the actionable insights from Scout Monitoring, enhancing efficiency in identifying and resolving performance issues.
  • Users value the efficiency of Scout Monitoring for actionable insights that optimize performance management and development efforts.
  • Users commend Scout Monitoring for its ease of use, allowing teams to quickly gain actionable insights without complexity.
  • Users appreciate the wide range of integrated performance analysis tools Scout Monitoring offers for apps and APIs.
  • Users value Scout Monitoring for its actionable insights, effectively highlighting pressing performance problems for efficient resolutions.
Cons
  • Users find the missing features like MySQL insights and higher transaction limits a significant drawback for Scout Monitoring.
  • Users face compatibility issues with Scout Monitoring as it lacks support for multiple languages beyond Ruby on Rails.
  • Users feel that pricing issues exist, suggesting it needs improvement compared to competitors in the market.
  • Users find the pricing of Scout Monitoring to be steep, limiting accessibility for some potential customers.
  • Users express concern over the filtering issues of Scout Monitoring, limited to Ruby on Rails and lacking broader support.

What Are Recent G2 Reviews of Scout Monitoring?

What Are G2 Users Discussing About Scout Monitoring?

AI can help you find the answers. G2 helps you trust them.

Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.

How it works
Connect G2 to ChatGPTConnect G2 to Claude

Rigor

Rigor helps businesses of all sizes enable fast and reliable digital experiences for their end users. With Rigor’s easy-to-use performance monitoring and optimization software, our customers are able to monitor their user’s experience throughout the development lifecycle, communicate trends to stakeholders, and take action to improve performance by leveraging our step-by-step optimization insights.

Average Rating: 4.7/5.0

Total Reviews: 22

How Do G2 Users Rate Rigor?

  • Has the product been a good partner in doing business?: 9.5/10 (Category avg: 8.9/10)

Who Is the Company Behind Rigor?

Who Uses This Product?

  • Top Industries: Retail
  • Company Size: 43% Medium, 35% Large

What Are Recent G2 Reviews of Rigor?

Stackify APM

Stackify Retrace is a comprehensive application performance management (APM) solution designed to assist developers and IT teams in monitoring, diagnosing, and optimizing their applications throughout the entire software development lifecycle. By providing insights into application performance and server metrics, Retrace enables users to identify issues proactively, ensuring smoother deployments and enhanced application reliability. This APM tool is particularly beneficial for software development teams, system administrators, and DevOps professionals who need to maintain high levels of application performance. With its ability to aggregate logs from various logging frameworks, Retrace allows users to pinpoint exceptions and errors in their code efficiently. This capability is essential for teams that are focused on delivering quality software while minimizing downtime and performance bottlenecks. Retrace stands out in its category by offering a suite of features that cater to the diverse needs of its users. The advanced deployment reporting feature provides detailed insights into application performance during and after deployment, allowing teams to make informed decisions about their release strategies. Additionally, the detailed SQL query monitoring enables users to optimize database interactions, which is crucial for applications that rely heavily on data retrieval and manipulation. The integrated logging and profiling capabilities ensure that all relevant information is accessible in one centralized location, streamlining the troubleshooting process. One of the key advantages of Stackify Retrace is its commitment to user accessibility. With unlimited user support, teams can collaborate effectively without worrying about additional licensing costs. The software's full lifecycle coverage means that it supports users from pre-production through to deployment, making it a versatile tool for various stages of application development. Furthermore, the promise of a one-hour support response time ensures that users receive timely assistance when they encounter challenges, helping to maintain productivity and reduce frustration. Overall, Stackify Retrace is a robust APM solution that empowers development teams to enhance their applications' performance and reliability. By combining advanced monitoring features with a user-friendly interface and responsive support, Retrace helps organizations minimize the risk of application failures and maximize the efficiency of their development processes.

Average Rating: 4.2/5.0

Total Reviews: 56

How Do G2 Users Rate Stackify APM?

  • Performance Metrics: 4.2/10 (Category avg: 8.3/10)
  • Root Cause Analysis (RCA): 8.3/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 4.2/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 8.2/10 (Category avg: 8.9/10)

Who Is the Company Behind Stackify APM?

Who Uses This Product?

  • Who Uses This: Software Developer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 45% Medium, 30% Large

What Are Recent G2 Reviews of Stackify APM?

What Are G2 Users Discussing About Stackify APM?

Zabbix

Zabbix is an all-in-one, open source monitoring and observability solution that makes any hardware, software, service, or web application more efficient and reliable. Available on-premise and in the cloud, Zabbix can deploy anywhere and monitor any device, system, or app in any environment – while providing comprehensive data protection, easy integration, and limitless data visualization options. Zabbix uses a wide range of data collection methods to collect metrics, defining smart problem thresholds and harnessing the power of machine learning to suppress unwanted alert storms and notify users regarding the root cause of issues. Metrics are displayed on intuitive, easy-to-understand dashboards that allow users to access issues, reports, and maps with a single click. Users can monitor anything from physical and virtual servers or containers to network infrastructure and applications. Zabbix allows users to: • Control their infrastructure by collecting any metric from any source • Detect problems instantly • Get alerted on critical issues • Gain additional insights and extend observability via powerful data visualization • Leverage a single pane of glass for an entire infrastructure • Keep track of KPI's with business service monitoring • Seamlessly deploy Zabbix within any infrastructure • Deploy with just a few clicks, either on-premise or in the cloud • Scale quickly and without limits • Do business with the peace of mind that enterprise-grade security provides Zabbix also offers a full range of professional services, including: • Technical support subscriptions • Zabbix professional training • Migration • Upgrades • Template building • Development • Integration • Consulting • Turnkey solution

Average Rating: 4.3/5.0

Total Reviews: 219

How Do G2 Users Rate Zabbix?

  • Performance Metrics: 8.5/10 (Category avg: 8.3/10)
  • Root Cause Analysis (RCA): 8.1/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 8.5/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 8.1/10 (Category avg: 8.9/10)

Who Is the Company Behind Zabbix?

  • Seller: Zabbix
  • Company Website:
  • Year Founded: 2005
  • HQ Location: Riga, Latvia
  • LinkedIn® Page: www.linkedin.com
    171 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: IT Manager, System Administrator
  • Top Industries: Information Technology and Services, Telecommunications
  • Company Size: 59% Medium, 27% Large

What Do G2 Reviewers Say About Zabbix?

AI-generated summary from verified user reviews

Pros
  • Users value the comprehensive monitoring capabilities of Zabbix, ensuring efficient and automated oversight of their systems.
  • Users highlight the ease of use in Zabbix, appreciating its straightforward setup and seamless integrations.
  • Users value the monitoring capabilities of Zabbix for efficiently managing diverse systems and infrastructure seamlessly.
  • Users appreciate the ease of monitoring with Zabbix, enjoying comprehensive insights across various systems and infrastructures.
  • Users praise the real-time monitoring capabilities of Zabbix, enhancing efficiency and proactive management across systems.
Cons
  • Users face a steep learning curve with Zabbix, especially when aiming for advanced customization and automation.
  • Users face dashboard limitations that hinder customization, impacting their ability to meet specific management needs.
  • Users express frustration over data limitations, as Zabbix lacks expected customizable dashboards and certain essential features.
  • Users find difficult configuration challenging, particularly during setup and for new users adapting to Zabbix.
  • Users find the difficult learning curve at the beginning challenging, impacting their experience with Zabbix.

What Are Recent G2 Reviews of Zabbix?

What Are G2 Users Discussing About Zabbix?

Logz.io

Logz.io is an AI-powered observability platform designed to help teams solve critical log management, monitoring, and troubleshooting challenges. Built for modern environments, Logz.io unifies log management, infrastructure monitoring, and distributed tracing in a single platform to provide deep, actionable insights into system performance and health. At its core, Logz.io’s AI Agent technology automates root cause analysis (RCA) and surfaces insights that accelerate investigations, reduce MTTR, and eliminate the need for time-consuming manual analysis or navigating multiple dashboards. Whether managing microservices or troubleshooting production issues, Logz.io empowers teams to quickly pinpoint issues, de-risk deployments, and focus on innovation. Unlike traditional observability tools that require ever-increasing data volumes and expertise, Logz.io offers a smarter, cost-optimized solution. With the ability to customize data ingestion and optimize telemetry costs, Logz.io ensures you get the insights you need without breaking the budget.

Average Rating: 4.5/5.0

Total Reviews: 163

How Do G2 Users Rate Logz.io?

  • Performance Metrics: 7.9/10 (Category avg: 8.3/10)
  • Root Cause Analysis (RCA): 7.7/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 7.5/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 9.2/10 (Category avg: 8.9/10)

Who Is the Company Behind Logz.io?

  • Seller: Logz.io
  • Year Founded: 2014
  • HQ Location: Boston, MA
  • LinkedIn® Page: www.linkedin.com
    102 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Software Engineer, Software Developer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 53% Medium, 30% Small

What Do G2 Reviewers Say About Logz.io?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the easy implementation and insightful dashboards of Logz.io, enhancing their log management experience drastically.
  • Users value the user-friendly interface of Logz.io, enjoying seamless integration and insightful dashboard features.
  • Users appreciate the user-friendly dashboard of Logz.io, gaining valuable insights and simplifying log management.
  • Users appreciate the ease of use of Logz.io, making log search and customization effortless.
  • Users appreciate the search efficiency of Logz.io, benefiting from clear logs and intuitive visualizations.
Cons
  • Users find complex configuration challenging, especially when setting up alerts and parsing rules effectively.
  • Users find complexity in setting up alerts and advanced configurations frustrating, impacting their overall experience with Logz.io.
  • Users find the complex setup process challenging, especially when configuring alerts and custom parsing rules.
  • Users express the need for dashboard issues like a refined quota mechanism and easier chart creation.
  • Users find difficult customization when setting up alerts and reports, complicating their experience with Logz.io.

What Are Recent G2 Reviews of Logz.io?

What Are G2 Users Discussing About Logz.io?

Rollbar

Go beyond crash reporting, error tracking, logging and error monitoring. Get instant and accurate alerts — plus a real-time feed — of all errors, including unhandled exceptions. Our automation-grade grouping uses machine learning to reduce noise and gives you error signals you can trust.

Average Rating: 4.5/5.0

Total Reviews: 165

G2 Deal: Rollbar Offer for G2 Customers

Rollbar and G2 customers can grow better together. Save 25% on eligible Rollbar plans for 6 months, or sign up for free at the link below. Get all the tools you need to Discover and fix errors faster wherever they happen.

View this exclusive G2 deal

How Do G2 Users Rate Rollbar?

  • Performance Metrics: 6.4/10 (Category avg: 8.3/10)
  • Root Cause Analysis (RCA): 7.8/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 6.8/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 9.5/10 (Category avg: 8.9/10)

Who Is the Company Behind Rollbar?

  • Seller: Rollbar
  • Year Founded: 2012
  • HQ Location: San Francisco, CA
  • LinkedIn® Page: www.linkedin.com
    28 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Software Engineer, Senior Software Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 62% Small, 26% Medium

What Do G2 Reviewers Say About Rollbar?

AI-generated summary from verified user reviews

Pros
  • Users find Rollbar's easy setup refreshing, as it requires no steep learning curve compared to other tools.
  • Users find Rollbar's setup ease refreshing, as it requires no learning curve unlike other tools.
  • Users find Rollbar to be a simple tool to set up, with no steep learning curve compared to alternatives.
Cons
  • Users report inconsistent error messaging which necessitates manual checking, affecting the efficiency of their workflow.

What Are Recent G2 Reviews of Rollbar?

What Are G2 Users Discussing About Rollbar?

Airbrake

Deploy fearlessly and fix bugs faster with Airbrake Error & Performance Monitoring. Airbrake notifiers are available for all major programming languages and frameworks and installs in minutes. Spend less time tracking down bugs and more time developing. Airbrake provides frictionless error monitoring and performance insight for the entire app stack. Drill down on recurring exceptions or filter by parameters, users or environment variables. Intelligent grouping and duplicate detection are presented to ensure users don't get overwhelmed by trivial errors or a mass of emails.

Average Rating: 4.4/5.0

Total Reviews: 73

How Do G2 Users Rate Airbrake?

  • Root Cause Analysis (RCA): 8.6/10 (Category avg: 8.4/10)
  • Real User Monitoring (RUM): 7.5/10 (Category avg: 8.3/10)
  • Has the product been a good partner in doing business?: 9.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Airbrake?

Who Uses This Product?

  • Who Uses This: Software Engineer
  • Top Industries: Information Technology and Services, Computer Software
  • Company Size: 48% Small, 37% Medium

What Are Recent G2 Reviews of Airbrake?

What Are G2 Users Discussing About Airbrake?

Tian Lin
TL
Researched and written by Tian Lin
Updated